WordPressを読む　25-5 /blog/wp-includes/formatting.php 5

2014/11/29 2014/12/09

1 /blog/wp-includes/formatting.php 5
2 関数　_split_str_by_whitespace()
3 関数　wp_rel_nofollow()
4 関数　wp_rel_nofollow_callback()
5 関数　translate_smiley()
6 関数　convert_smilies()
7 関数　is_email()
8 関数　wp_iso_descrambler()
9 関数　_wp_iso_convert()
10 関数　get_gmt_from_date()
11 関数　get_date_from_gmt()
12 関数　iso8601_timezone_to_offset()
13 関数　iso8601_to_datetime()
14 関数　popuplinks()
15 関数　sanitize_email()
16 関数　human_time_diff()

/blog/wp-includes/formatting.php 5

関数　_split_str_by_whitespace()

function _split_str_by_whitespace( $string, $goal ) {
	$chunks = array();

	$string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );

	while ( $goal < strlen( $string_nullspace ) ) {
		$pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );

		if ( false === $pos ) {
			$pos = strpos( $string_nullspace, "\000", $goal + 1 );
			if ( false === $pos ) {
				break;
			}
		}

		$chunks[] = substr( $string, 0, $pos + 1 );
		$string = substr( $string, $pos + 1 );
		$string_nullspace = substr( $string_nullspace, $pos + 1 );
	}

	if ( $string ) {
		$chunks[] = $string;
	}

	return $chunks;
}

function _split_str_by_whitespace( $string, $goal ) {

$chunks = array();

$string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );

while ( $goal < strlen( $string_nullspace ) ) {

$pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );

if ( false === $pos ) {

$pos = strpos( $string_nullspace, "\000", $goal + 1 );

if ( false === $pos ) {

break;

}

$chunks[] = substr( $string, 0, $pos + 1 );

$string = substr( $string, $pos + 1 );

$string_nullspace = substr( $string_nullspace, $pos + 1 );

}

if ( $string ) {

$chunks[] = $string;

}

return $chunks;

}

関数　wp_rel_nofollow()

function wp_rel_nofollow( $text ) {
	// This is a pre save filter, so text is already escaped.
	$text = stripslashes($text);
	$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
	$text = wp_slash($text);
	return $text;
}

function wp_rel_nofollow( $text ) {

// This is a pre save filter, so text is already escaped.

$text = stripslashes($text);

$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);

$text = wp_slash($text);

return $text;

}

関数　wp_rel_nofollow_callback()

function wp_rel_nofollow_callback( $matches ) {
	$text = $matches[1];
	$text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text);
	return "<a $text rel=\"nofollow\">";
}

function wp_rel_nofollow_callback( $matches ) {

$text = $matches[1];

$text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text);

return "<a $text rel=\"nofollow\">";

}

関数　translate_smiley()

function translate_smiley( $matches ) {
	global $wpsmiliestrans;

	if ( count( $matches ) == 0 )
		return '';

	$smiley = trim( reset( $matches ) );
	$img = $wpsmiliestrans[ $smiley ];

	$src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );

	return sprintf( '<img src="%s" alt="%s" class="wp-smiley" />', esc_url( $src_url ), esc_attr( $smiley ) );
}

function translate_smiley( $matches ) {

global $wpsmiliestrans;

if ( count( $matches ) == 0 )

return '';

$smiley = trim( reset( $matches ) );

$img = $wpsmiliestrans[ $smiley ];

$src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );

return sprintf( '<img src="%s" alt="%s" class="wp-smiley" />', esc_url( $src_url ), esc_attr( $smiley ) );

}

関数　convert_smilies()

function convert_smilies( $text ) {
	global $wp_smiliessearch;
	$output = '';
	if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {
		// HTML loop taken from texturize function, could possible be consolidated
		$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between
		$stop = count( $textarr );// loop stuff

		// Ignore proessing of specific tags
		$tags_to_ignore = 'code|pre|style|script|textarea';
		$ignore_block_element = '';

		for ( $i = 0; $i < $stop; $i++ ) {
			$content = $textarr[$i];

			// If we're in an ignore block, wait until we find its closing tag
			if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
				$ignore_block_element = $matches[1];
			}

			// If it's not a tag and not in ignore block
			if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {
				$content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );
			}

			// did we exit ignore block
			if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
				$ignore_block_element = '';
			}

			$output .= $content;
		}
	} else {
		// return default text.
		$output = $text;
	}
	return $output;
}

function convert_smilies( $text ) {

global $wp_smiliessearch;

$output = '';

if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {

// HTML loop taken from texturize function, could possible be consolidated

$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between

$stop = count( $textarr );// loop stuff

// Ignore proessing of specific tags

$tags_to_ignore = 'code|pre|style|script|textarea';

$ignore_block_element = '';

for ( $i = 0; $i < $stop; $i++ ) {

$content = $textarr[$i];

// If we're in an ignore block, wait until we find its closing tag

if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) ) {

$ignore_block_element = $matches[1];

}

// If it's not a tag and not in ignore block

if ( '' == $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {

$content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );

}

// did we exit ignore block

if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content ) {

$ignore_block_element = '';

}

$output .= $content;

}

} else {

// return default text.

$output = $text;

}

return $output;

}

関数　is_email()

function is_email( $email, $deprecated = false ) {
	if ( ! empty( $deprecated ) )
		_deprecated_argument( __FUNCTION__, '3.0' );

	// Test for the minimum length the email can be
	if ( strlen( $email ) < 3 ) {
		return apply_filters( 'is_email', false, $email, 'email_too_short' );
	}

	// Test for an @ character after the first position
	if ( strpos( $email, '@', 1 ) === false ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'is_email', false, $email, 'email_no_at' );
	}

	// Split out the local and domain parts
	list( $local, $domain ) = explode( '@', $email, 2 );

	// LOCAL PART
	// Test for invalid characters
	if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );
	}

	// DOMAIN PART
	// Test for sequences of periods
	if ( preg_match( '/\.{2,}/', $domain ) ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );
	}

	// Test for leading and trailing periods and whitespace
	if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'is_email', false, $email, 'domain_period_limits' );
	}

	// Split the domain into subs
	$subs = explode( '.', $domain );

	// Assume the domain will have at least two subs
	if ( 2 > count( $subs ) ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'is_email', false, $email, 'domain_no_periods' );
	}

	// Loop through each sub
	foreach ( $subs as $sub ) {
		// Test for leading and trailing hyphens and whitespace
		if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {
			/** This filter is documented in wp-includes/formatting.php */
			return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );
		}

		// Test for invalid characters
		if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
			/** This filter is documented in wp-includes/formatting.php */
			return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
		}
	}

	// Congratulations your email made it!
	/** This filter is documented in wp-includes/formatting.php */
	return apply_filters( 'is_email', $email, $email, null );
}

function is_email( $email, $deprecated = false ) {

if ( ! empty( $deprecated ) )

_deprecated_argument( __FUNCTION__, '3.0' );

// Test for the minimum length the email can be

if ( strlen( $email ) < 3 ) {

return apply_filters( 'is_email', false, $email, 'email_too_short' );

}

// Test for an @ character after the first position

if ( strpos( $email, '@', 1 ) === false ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'email_no_at' );

}

// Split out the local and domain parts

list( $local, $domain ) = explode( '@', $email, 2 );

// LOCAL PART

// Test for invalid characters

if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );

}

// DOMAIN PART

// Test for sequences of periods

if ( preg_match( '/\.{2,}/', $domain ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );

}

// Test for leading and trailing periods and whitespace

if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'domain_period_limits' );

}

// Split the domain into subs

$subs = explode( '.', $domain );

// Assume the domain will have at least two subs

if ( 2 > count( $subs ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'domain_no_periods' );

}

// Loop through each sub

foreach ( $subs as $sub ) {

// Test for leading and trailing hyphens and whitespace

if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );

}

// Test for invalid characters

if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );

}

// Congratulations your email made it!

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'is_email', $email, $email, null );

}

関数　wp_iso_descrambler()

function wp_iso_descrambler($string) {
	/* this may only work with iso-8859-1, I'm afraid */
	if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
		return $string;
	} else {
		$subject = str_replace('_', ' ', $matches[2]);
		$subject = preg_replace_callback('#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject);
		return $subject;
	}
}

function wp_iso_descrambler($string) {

/* this may only work with iso-8859-1, I'm afraid */

if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {

return $string;

} else {

$subject = str_replace('_', ' ', $matches[2]);

$subject = preg_replace_callback('#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject);

return $subject;

}

関数　_wp_iso_convert()

function _wp_iso_convert( $match ) {
	return chr( hexdec( strtolower( $match[1] ) ) );
}

function _wp_iso_convert( $match ) {

return chr( hexdec( strtolower( $match[1] ) ) );

}

関数　get_gmt_from_date()

function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {
	$tz = get_option( 'timezone_string' );
	if ( $tz ) {
		$datetime = date_create( $string, new DateTimeZone( $tz ) );
		if ( ! $datetime )
			return gmdate( $format, 0 );
		$datetime->setTimezone( new DateTimeZone( 'UTC' ) );
		$string_gmt = $datetime->format( $format );
	} else {
		if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) )
			return gmdate( $format, 0 );
		$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
		$string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
	}
	return $string_gmt;
}

function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {

$tz = get_option( 'timezone_string' );

if ( $tz ) {

$datetime = date_create( $string, new DateTimeZone( $tz ) );

if ( ! $datetime )

return gmdate( $format, 0 );

$datetime->setTimezone( new DateTimeZone( 'UTC' ) );

$string_gmt = $datetime->format( $format );

} else {

if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) )

return gmdate( $format, 0 );

$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );

$string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );

}

return $string_gmt;

}

関数　get_date_from_gmt()

function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) {
	$tz = get_option( 'timezone_string' );
	if ( $tz ) {
		$datetime = date_create( $string, new DateTimeZone( 'UTC' ) );
		if ( ! $datetime )
			return date( $format, 0 );
		$datetime->setTimezone( new DateTimeZone( $tz ) );
		$string_localtime = $datetime->format( $format );
	} else {
		if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) )
			return date( $format, 0 );
		$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
		$string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
	}
	return $string_localtime;
}

function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) {

$tz = get_option( 'timezone_string' );

if ( $tz ) {

$datetime = date_create( $string, new DateTimeZone( 'UTC' ) );

if ( ! $datetime )

return date( $format, 0 );

$datetime->setTimezone( new DateTimeZone( $tz ) );

$string_localtime = $datetime->format( $format );

} else {

if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) )

return date( $format, 0 );

$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );

$string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );

}

return $string_localtime;

}

関数　iso8601_timezone_to_offset()

function iso8601_timezone_to_offset($timezone) {
	// $timezone is either 'Z' or '[+|-]hhmm'
	if ($timezone == 'Z') {
		$offset = 0;
	} else {
		$sign    = (substr($timezone, 0, 1) == '+') ? 1 : -1;
		$hours   = intval(substr($timezone, 1, 2));
		$minutes = intval(substr($timezone, 3, 4)) / 60;
		$offset  = $sign * HOUR_IN_SECONDS * ($hours + $minutes);
	}
	return $offset;
}

function iso8601_timezone_to_offset($timezone) {

// $timezone is either 'Z' or '[+|-]hhmm'

if ($timezone == 'Z') {

$offset = 0;

} else {

$sign = (substr($timezone, 0, 1) == '+') ? 1 : -1;

$hours = intval(substr($timezone, 1, 2));

$minutes = intval(substr($timezone, 3, 4)) / 60;

$offset = $sign * HOUR_IN_SECONDS * ($hours + $minutes);

}

return $offset;

}

関数　iso8601_to_datetime()

function iso8601_to_datetime($date_string, $timezone = 'user') {
	$timezone = strtolower($timezone);

	if ($timezone == 'gmt') {

		preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits);

		if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
			$offset = iso8601_timezone_to_offset($date_bits[7]);
		} else { // we don't have a timezone, so we assume user local timezone (not server's!)
			$offset = HOUR_IN_SECONDS * get_option('gmt_offset');
		}

		$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
		$timestamp -= $offset;

		return gmdate('Y-m-d H:i:s', $timestamp);

	} else if ($timezone == 'user') {
		return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string);
	}
}

function iso8601_to_datetime($date_string, $timezone = 'user') {

$timezone = strtolower($timezone);

if ($timezone == 'gmt') {

preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits);

if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset

$offset = iso8601_timezone_to_offset($date_bits[7]);

} else { // we don't have a timezone, so we assume user local timezone (not server's!)

$offset = HOUR_IN_SECONDS * get_option('gmt_offset');

}

$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);

$timestamp -= $offset;

return gmdate('Y-m-d H:i:s', $timestamp);

} else if ($timezone == 'user') {

return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string);

}

関数　popuplinks()

function popuplinks($text) {
	$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
	return $text;
}

function popuplinks($text) {

$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);

return $text;

}

関数　sanitize_email()

function sanitize_email( $email ) {
	// Test for the minimum length the email can be
	if ( strlen( $email ) < 3 ) {
		return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );
	}

	// Test for an @ character after the first position
	if ( strpos( $email, '@', 1 ) === false ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );
	}

	// Split out the local and domain parts
	list( $local, $domain ) = explode( '@', $email, 2 );

	// LOCAL PART
	// Test for invalid characters
	$local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
	if ( '' === $local ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
	}

	// DOMAIN PART
	// Test for sequences of periods
	$domain = preg_replace( '/\.{2,}/', '', $domain );
	if ( '' === $domain ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );
	}

	// Test for leading and trailing periods and whitespace
	$domain = trim( $domain, " \t\n\r\0\x0B." );
	if ( '' === $domain ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );
	}

	// Split the domain into subs
	$subs = explode( '.', $domain );

	// Assume the domain will have at least two subs
	if ( 2 > count( $subs ) ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );
	}

	// Create an array that will contain valid subs
	$new_subs = array();

	// Loop through each sub
	foreach ( $subs as $sub ) {
		// Test for leading and trailing hyphens
		$sub = trim( $sub, " \t\n\r\0\x0B-" );

		// Test for invalid characters
		$sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub );

		// If there's anything left, add it to the valid subs
		if ( '' !== $sub ) {
			$new_subs[] = $sub;
		}
	}

	// If there aren't 2 or more valid subs
	if ( 2 > count( $new_subs ) ) {
		/** This filter is documented in wp-includes/formatting.php */
		return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );
	}

	// Join valid subs into the new domain
	$domain = join( '.', $new_subs );

	// Put the email back together
	$email = $local . '@' . $domain;

	// Congratulations your email made it!
	/** This filter is documented in wp-includes/formatting.php */
	return apply_filters( 'sanitize_email', $email, $email, null );
}

function sanitize_email( $email ) {

// Test for the minimum length the email can be

if ( strlen( $email ) < 3 ) {

return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );

}

// Test for an @ character after the first position

if ( strpos( $email, '@', 1 ) === false ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );

}

// Split out the local and domain parts

list( $local, $domain ) = explode( '@', $email, 2 );

// LOCAL PART

// Test for invalid characters

$local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );

if ( '' === $local ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );

}

// DOMAIN PART

// Test for sequences of periods

$domain = preg_replace( '/\.{2,}/', '', $domain );

if ( '' === $domain ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );

}

// Test for leading and trailing periods and whitespace

$domain = trim( $domain, " \t\n\r\0\x0B." );

if ( '' === $domain ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );

}

// Split the domain into subs

$subs = explode( '.', $domain );

// Assume the domain will have at least two subs

if ( 2 > count( $subs ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );

}

// Create an array that will contain valid subs

$new_subs = array();

// Loop through each sub

foreach ( $subs as $sub ) {

// Test for leading and trailing hyphens

$sub = trim( $sub, " \t\n\r\0\x0B-" );

// Test for invalid characters

$sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub );

// If there's anything left, add it to the valid subs

if ( '' !== $sub ) {

$new_subs[] = $sub;

}

// If there aren't 2 or more valid subs

if ( 2 > count( $new_subs ) ) {

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );

}

// Join valid subs into the new domain

$domain = join( '.', $new_subs );

// Put the email back together

$email = $local . '@' . $domain;

// Congratulations your email made it!

/** This filter is documented in wp-includes/formatting.php */

return apply_filters( 'sanitize_email', $email, $email, null );

}

関数　human_time_diff()

function human_time_diff( $from, $to = '' ) {
	if ( empty( $to ) ) {
		$to = time();
	}

	$diff = (int) abs( $to - $from );

	if ( $diff < HOUR_IN_SECONDS ) {
		$mins = round( $diff / MINUTE_IN_SECONDS );
		if ( $mins <= 1 )
			$mins = 1;
		/* translators: min=minute */
		$since = sprintf( _n( '%s min', '%s mins', $mins ), $mins );
	} elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) {
		$hours = round( $diff / HOUR_IN_SECONDS );
		if ( $hours <= 1 )
			$hours = 1;
		$since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours );
	} elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) {
		$days = round( $diff / DAY_IN_SECONDS );
		if ( $days <= 1 )
			$days = 1;
		$since = sprintf( _n( '%s day', '%s days', $days ), $days );
	} elseif ( $diff < 30 * DAY_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) {
		$weeks = round( $diff / WEEK_IN_SECONDS );
		if ( $weeks <= 1 )
			$weeks = 1;
		$since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks );
	} elseif ( $diff < YEAR_IN_SECONDS && $diff >= 30 * DAY_IN_SECONDS ) {
		$months = round( $diff / ( 30 * DAY_IN_SECONDS ) );
		if ( $months <= 1 )
			$months = 1;
		$since = sprintf( _n( '%s month', '%s months', $months ), $months );
	} elseif ( $diff >= YEAR_IN_SECONDS ) {
		$years = round( $diff / YEAR_IN_SECONDS );
		if ( $years <= 1 )
			$years = 1;
		$since = sprintf( _n( '%s year', '%s years', $years ), $years );
	}
	return apply_filters( 'human_time_diff', $since, $diff, $from, $to );
}

function human_time_diff( $from, $to = '' ) {

if ( empty( $to ) ) {

$to = time();

}

$diff = (int) abs( $to - $from );

if ( $diff < HOUR_IN_SECONDS ) {

$mins = round( $diff / MINUTE_IN_SECONDS );

if ( $mins <= 1 )

$mins = 1;

/* translators: min=minute */

$since = sprintf( _n( '%s min', '%s mins', $mins ), $mins );

} elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) {

$hours = round( $diff / HOUR_IN_SECONDS );

if ( $hours <= 1 )

$hours = 1;

$since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours );

} elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) {

$days = round( $diff / DAY_IN_SECONDS );

if ( $days <= 1 )

$days = 1;

$since = sprintf( _n( '%s day', '%s days', $days ), $days );

} elseif ( $diff < 30 * DAY_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) {

$weeks = round( $diff / WEEK_IN_SECONDS );

if ( $weeks <= 1 )

$weeks = 1;

$since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks );

} elseif ( $diff < YEAR_IN_SECONDS && $diff >= 30 * DAY_IN_SECONDS ) {

$months = round( $diff / ( 30 * DAY_IN_SECONDS ) );

if ( $months <= 1 )

$months = 1;

$since = sprintf( _n( '%s month', '%s months', $months ), $months );

} elseif ( $diff >= YEAR_IN_SECONDS ) {

$years = round( $diff / YEAR_IN_SECONDS );

if ( $years <= 1 )

$years = 1;

$since = sprintf( _n( '%s year', '%s years', $years ), $years );

}

return apply_filters( 'human_time_diff', $since, $diff, $from, $to );

}

- Wordpress

WordPressを読む　71 /blog/wp-includes/admin-bar.php

<?php
/**
 * Admin Bar
 *
 * This code handles the building and rendering of the press bar.
 */

/**
 * Instantiate the admin bar object and set it up as a global for access elsewhere.
 *
 * UNHOOKING THIS FUNCTION WILL NOT PROPERLY REMOVE THE ADMIN BAR.
 * For that, use show_admin_bar(false) or the 'show_admin_bar' filter.
 *
 * @since 3.1.0
 * @access private
 * @return bool Whether the admin bar was successfully initialized.
 */
function _wp_admin_bar_init() {
	global $wp_admin_bar;

	if ( ! is_admin_bar_showing() )
		return false;

	/* Load the admin bar class code ready for instantiation */
	require( ABSPATH . WPINC . '/class-wp-admin-bar.php' );

	/* Instantiate the admin bar */

	/**
	 * Filter the admin bar class to instantiate.
	 *
	 * @since 3.1.0
	 *
	 * @param string $wp_admin_bar_class Admin bar class to use. Default 'WP_Admin_Bar'.
	 */
	$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );
	if ( class_exists( $admin_bar_class ) )
		$wp_admin_bar = new $admin_bar_class;
	else
		return false;

	$wp_admin_bar->initialize();
	$wp_admin_bar->add_menus();

	return true;
}
// Don't remove. Wrong way to disable.
add_action( 'template_redirect', '_wp_admin_bar_init', 0 );
add_action( 'admin_init', '_wp_admin_bar_init' );

/**
 * Render the admin bar to the page based on the $wp_admin_bar->menu member var.
 * This is called very late on the footer actions so that it will render after anything else being
 * added to the footer.
 *
 * It includes the action "admin_bar_menu" which should be used to hook in and
 * add new menus to the admin bar. That way you can be sure that you are adding at most optimal point,
 * right before the admin bar is rendered. This also gives you access to the $post global, among others.
 *
 * @since 3.1.0
 */
function wp_admin_bar_render() {
	global $wp_admin_bar;

	if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) )
		return false;

	/**
	 * Load all necessary admin bar items.
	 *
	 * This is the hook used to add, remove, or manipulate admin bar items.
	 *
	 * @since 3.1.0
	 *
	 * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference
	 */
	do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );

	/**
	 * Fires before the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_before_admin_bar_render' );

	$wp_admin_bar->render();

	/**
	 * Fires after the admin bar is rendered.
	 *
	 * @since 3.1.0
	 */
	do_action( 'wp_after_admin_bar_render' );
}
add_action( 'wp_footer', 'wp_admin_bar_render', 1000 );
add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );

/**
 * Add the WordPress logo menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_wp_menu( $wp_admin_bar ) {
	$wp_admin_bar->add_menu( array(
		'id'    => 'wp-logo',
		'title' => '<span class="ab-icon"></span>',
		'href'  => self_admin_url( 'about.php' ),
		'meta'  => array(
			'title' => __('About WordPress'),
		),
	) );

	if ( is_user_logged_in() ) {
		// Add "About WordPress" link
		$wp_admin_bar->add_menu( array(
			'parent' => 'wp-logo',
			'id'     => 'about',
			'title'  => __('About WordPress'),
			'href'  => self_admin_url( 'about.php' ),
		) );
	}

	// Add WordPress.org link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'wporg',
		'title'     => __('WordPress.org'),
		'href'      => __('https://wordpress.org/'),
	) );

	// Add codex link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'documentation',
		'title'     => __('Documentation'),
		'href'      => __('http://codex.wordpress.org/'),
	) );

	// Add forums link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'support-forums',
		'title'     => __('Support Forums'),
		'href'      => __('https://wordpress.org/support/'),
	) );

	// Add feedback link
	$wp_admin_bar->add_menu( array(
		'parent'    => 'wp-logo-external',
		'id'        => 'feedback',
		'title'     => __('Feedback'),
		'href'      => __('https://wordpress.org/support/forum/requests-and-feedback'),
	) );
}

/**
 * Add the sidebar toggle button.
 *
 * @since 3.8.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_sidebar_toggle( $wp_admin_bar ) {
	if ( is_admin() ) {
		$wp_admin_bar->add_menu( array(
			'id'    => 'menu-toggle',
			'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'Menu' ) . '</span>',
			'href'  => '#',
		) );
	}
}

/**
 * Add the "My Account" item.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_account_item( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();
	$profile_url  = get_edit_profile_url( $user_id );

	if ( ! $user_id )
		return;

	$avatar = get_avatar( $user_id, 26 );
	$howdy  = sprintf( __('Howdy, %1$s'), $current_user->display_name );
	$class  = empty( $avatar ) ? '' : 'with-avatar';

	$wp_admin_bar->add_menu( array(
		'id'        => 'my-account',
		'parent'    => 'top-secondary',
		'title'     => $howdy . $avatar,
		'href'      => $profile_url,
		'meta'      => array(
			'class'     => $class,
			'title'     => __('My Account'),
		),
	) );
}

/**
 * Add the "My Account" submenu items.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
	$user_id      = get_current_user_id();
	$current_user = wp_get_current_user();
	$profile_url  = get_edit_profile_url( $user_id );

	if ( ! $user_id )
		return;

	$wp_admin_bar->add_group( array(
		'parent' => 'my-account',
		'id'     => 'user-actions',
	) );

	$user_info  = get_avatar( $user_id, 64 );
	$user_info .= "<span class='display-name'>{$current_user->display_name}</span>";

	if ( $current_user->display_name !== $current_user->user_login )
		$user_info .= "<span class='username'>{$current_user->user_login}</span>";

	$wp_admin_bar->add_menu( array(
		'parent' => 'user-actions',
		'id'     => 'user-info',
		'title'  => $user_info,
		'href'   => $profile_url,
		'meta'   => array(
			'tabindex' => -1,
		),
	) );
	$wp_admin_bar->add_menu( array(
		'parent' => 'user-actions',
		'id'     => 'edit-profile',
		'title'  => __( 'Edit My Profile' ),
		'href' => $profile_url,
	) );
	$wp_admin_bar->add_menu( array(
		'parent' => 'user-actions',
		'id'     => 'logout',
		'title'  => __( 'Log Out' ),
		'href'   => wp_logout_url(),
	) );
}

/**
 * Add the "Site Name" menu.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_site_menu( $wp_admin_bar ) {
	// Don't show for logged out users.
	if ( ! is_user_logged_in() )
		return;

	// Show only when the user is a member of this site, or they're a super admin.
	if ( ! is_user_member_of_blog() && ! is_super_admin() )
		return;

	$blogname = get_bloginfo('name');

	if ( empty( $blogname ) )
		$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );

	if ( is_network_admin() ) {
		$blogname = sprintf( __('Network Admin: %s'), esc_html( get_current_site()->site_name ) );
	} elseif ( is_user_admin() ) {
		$blogname = sprintf( __('Global Dashboard: %s'), esc_html( get_current_site()->site_name ) );
	}

	$title = wp_html_excerpt( $blogname, 40, '&hellip;' );

	$wp_admin_bar->add_menu( array(
		'id'    => 'site-name',
		'title' => $title,
		'href'  => is_admin() ? home_url( '/' ) : admin_url(),
	) );

	// Create submenu items.

	if ( is_admin() ) {
		// Add an option to visit the site.
		$wp_admin_bar->add_menu( array(
			'parent' => 'site-name',
			'id'     => 'view-site',
			'title'  => __( 'Visit Site' ),
			'href'   => home_url( '/' ),
		) );

		if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => 'site-name',
				'id'     => 'edit-site',
				'title'  => __( 'Edit Site' ),
				'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
			) );
		}

	} else {
		// We're on the front end, link to the Dashboard.
		$wp_admin_bar->add_menu( array(
			'parent' => 'site-name',
			'id'     => 'dashboard',
			'title'  => __( 'Dashboard' ),
			'href'   => admin_url(),
		) );

		// Add the appearance submenu items.
		wp_admin_bar_appearance_menu( $wp_admin_bar );
	}
}

/**
 * Add the "My Sites/[Site Name]" menu and all submenus.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
	// Don't show for logged out users or single site mode.
	if ( ! is_user_logged_in() || ! is_multisite() )
		return;

	// Show only when the user has at least one site, or they're a super admin.
	if ( count( $wp_admin_bar->user->blogs ) < 1 && ! is_super_admin() )
		return;

	$wp_admin_bar->add_menu( array(
		'id'    => 'my-sites',
		'title' => __( 'My Sites' ),
		'href'  => admin_url( 'my-sites.php' ),
	) );

	if ( is_super_admin() ) {
		$wp_admin_bar->add_group( array(
			'parent' => 'my-sites',
			'id'     => 'my-sites-super-admin',
		) );

		$wp_admin_bar->add_menu( array(
			'parent' => 'my-sites-super-admin',
			'id'     => 'network-admin',
			'title'  => __('Network Admin'),
			'href'   => network_admin_url(),
		) );

		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-d',
			'title'  => __( 'Dashboard' ),
			'href'   => network_admin_url(),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-s',
			'title'  => __( 'Sites' ),
			'href'   => network_admin_url( 'sites.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-u',
			'title'  => __( 'Users' ),
			'href'   => network_admin_url( 'users.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-t',
			'title'  => __( 'Themes' ),
			'href'   => network_admin_url( 'themes.php' ),
		) );
		$wp_admin_bar->add_menu( array(
			'parent' => 'network-admin',
			'id'     => 'network-admin-p',
			'title'  => __( 'Plugins' ),
			'href'   => network_admin_url( 'plugins.php' ),
		) );
	}

	// Add site links
	$wp_admin_bar->add_group( array(
		'parent' => 'my-sites',
		'id'     => 'my-sites-list',
		'meta'   => array(
			'class' => is_super_admin() ? 'ab-sub-secondary' : '',
		),
	) );

	foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
		switch_to_blog( $blog->userblog_id );

		$blavatar = '<div class="blavatar"></div>';

		$blogname = empty( $blog->blogname ) ? $blog->domain : $blog->blogname;
		$menu_id  = 'blog-' . $blog->userblog_id;

		$wp_admin_bar->add_menu( array(
			'parent'    => 'my-sites-list',
			'id'        => $menu_id,
			'title'     => $blavatar . $blogname,
			'href'      => admin_url(),
		) );

		$wp_admin_bar->add_menu( array(
			'parent' => $menu_id,
			'id'     => $menu_id . '-d',
			'title'  => __( 'Dashboard' ),
			'href'   => admin_url(),
		) );

		if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'id'     => $menu_id . '-n',
				'title'  => __( 'New Post' ),
				'href'   => admin_url( 'post-new.php' ),
			) );
		}

		if ( current_user_can( 'edit_posts' ) ) {
			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'id'     => $menu_id . '-c',
				'title'  => __( 'Manage Comments' ),
				'href'   => admin_url( 'edit-comments.php' ),
			) );
		}

		$wp_admin_bar->add_menu( array(
			'parent' => $menu_id,
			'id'     => $menu_id . '-v',
			'title'  => __( 'Visit Site' ),
			'href'   => home_url( '/' ),
		) );

		restore_current_blog();
	}
}

/**
 * Provide a shortlink.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {
	$short = wp_get_shortlink( 0, 'query' );
	$id = 'get-shortlink';

	if ( empty( $short ) )
		return;

	$html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" />';

	$wp_admin_bar->add_menu( array(
		'id' => $id,
		'title' => __( 'Shortlink' ),
		'href' => $short,
		'meta' => array( 'html' => $html ),
	) );
}

/**
 * Provide an edit link for posts and terms.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_edit_menu( $wp_admin_bar ) {
	global $tag, $wp_the_query;

	if ( is_admin() ) {
		$current_screen = get_current_screen();
		$post = get_post();

		if ( 'post' == $current_screen->base
			&& 'add' != $current_screen->action
			&& ( $post_type_object = get_post_type_object( $post->post_type ) )
			&& current_user_can( 'read_post', $post->ID )
			&& ( $post_type_object->public )
			&& ( $post_type_object->show_in_admin_bar ) )
		{
			if( 'draft' == $post->post_status ) {
				$preview_link = set_url_scheme( get_permalink( $post->ID ) );
				/** This filter is documented in wp-admin/includes/meta-boxes.php */
				$preview_link = apply_filters( 'preview_post_link', add_query_arg( 'preview', 'true', $preview_link ), $post );
				$wp_admin_bar->add_menu( array(
					'id' => 'preview',
					'title' => $post_type_object->labels->view_item,
					'href' => esc_url( $preview_link ),
					'meta' => array( 'target' => 'wp-preview-' . $post->ID ),
				) );
			} else {
				$wp_admin_bar->add_menu( array(
					'id' => 'view',
					'title' => $post_type_object->labels->view_item,
					'href' => get_permalink( $post->ID )
				) );
			}
		} elseif ( 'edit-tags' == $current_screen->base
			&& isset( $tag ) && is_object( $tag )
			&& ( $tax = get_taxonomy( $tag->taxonomy ) )
			&& $tax->public )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'view',
				'title' => $tax->labels->view_item,
				'href' => get_term_link( $tag )
			) );
		}
	} else {
		$current_object = $wp_the_query->get_queried_object();

		if ( empty( $current_object ) )
			return;

		if ( ! empty( $current_object->post_type )
			&& ( $post_type_object = get_post_type_object( $current_object->post_type ) )
			&& current_user_can( 'edit_post', $current_object->ID )
			&& $post_type_object->show_ui && $post_type_object->show_in_admin_bar )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'edit',
				'title' => $post_type_object->labels->edit_item,
				'href' => get_edit_post_link( $current_object->ID )
			) );
		} elseif ( ! empty( $current_object->taxonomy )
			&& ( $tax = get_taxonomy( $current_object->taxonomy ) )
			&& current_user_can( $tax->cap->edit_terms )
			&& $tax->show_ui )
		{
			$wp_admin_bar->add_menu( array(
				'id' => 'edit',
				'title' => $tax->labels->edit_item,
				'href' => get_edit_term_link( $current_object->term_id, $current_object->taxonomy )
			) );
		}
	}
}

/**
 * Add "Add New" menu.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_new_content_menu( $wp_admin_bar ) {
	$actions = array();

	$cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );

	if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->create_posts ) )
		$actions[ 'post-new.php' ] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );

	if ( isset( $cpts['attachment'] ) && current_user_can( 'upload_files' ) )
		$actions[ 'media-new.php' ] = array( $cpts['attachment']->labels->name_admin_bar, 'new-media' );

	if ( current_user_can( 'manage_links' ) )
		$actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );

	if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->create_posts ) )
		$actions[ 'post-new.php?post_type=page' ] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );

	unset( $cpts['post'], $cpts['page'], $cpts['attachment'] );

	// Add any additional custom post types.
	foreach ( $cpts as $cpt ) {
		if ( ! current_user_can( $cpt->cap->create_posts ) )
			continue;

		$key = 'post-new.php?post_type=' . $cpt->name;
		$actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );
	}
	// Avoid clash with parent node and a 'content' post type.
	if ( isset( $actions['post-new.php?post_type=content'] ) )
		$actions['post-new.php?post_type=content'][1] = 'add-new-content';

	if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )
		$actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );

	if ( ! $actions )
		return;

	$title = '<span class="ab-icon"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';

	$wp_admin_bar->add_menu( array(
		'id'    => 'new-content',
		'title' => $title,
		'href'  => admin_url( current( array_keys( $actions ) ) ),
		'meta'  => array(
			'title' => _x( 'Add New', 'admin bar menu group label' ),
		),
	) );

	foreach ( $actions as $link => $action ) {
		list( $title, $id ) = $action;

		$wp_admin_bar->add_menu( array(
			'parent'    => 'new-content',
			'id'        => $id,
			'title'     => $title,
			'href'      => admin_url( $link )
		) );
	}
}

/**
 * Add edit comments link with awaiting moderation count bubble.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_comments_menu( $wp_admin_bar ) {
	if ( !current_user_can('edit_posts') )
		return;

	$awaiting_mod = wp_count_comments();
	$awaiting_mod = $awaiting_mod->moderated;
	$awaiting_title = esc_attr( sprintf( _n( '%s comment awaiting moderation', '%s comments awaiting moderation', $awaiting_mod ), number_format_i18n( $awaiting_mod ) ) );

	$icon  = '<span class="ab-icon"></span>';
	$title = '<span id="ab-awaiting-mod" class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '">' . number_format_i18n( $awaiting_mod ) . '</span>';

	$wp_admin_bar->add_menu( array(
		'id'    => 'comments',
		'title' => $icon . $title,
		'href'  => admin_url('edit-comments.php'),
		'meta'  => array( 'title' => $awaiting_title ),
	) );
}

/**
 * Add appearance submenu items to the "Site Name" menu.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
	$wp_admin_bar->add_group( array( 'parent' => 'site-name', 'id' => 'appearance' ) );

	if ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'themes', 'title' => __('Themes'), 'href' => admin_url('themes.php') ) );

	if ( ! current_user_can( 'edit_theme_options' ) )
		return;

	if ( current_user_can( 'customize' ) ) {
		$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
		$wp_admin_bar->add_menu( array(
			'parent' => 'appearance',
			'id'     => 'customize',
			'title'  => __('Customize'),
			'href'   => add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() ),
			'meta'   => array(
				'class' => 'hide-if-no-customize',
			),
		) );
		add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );
	}

	if ( current_theme_supports( 'widgets' )  )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'widgets', 'title' => __('Widgets'), 'href' => admin_url('widgets.php') ) );

	if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'menus', 'title' => __('Menus'), 'href' => admin_url('nav-menus.php') ) );

	if ( current_theme_supports( 'custom-background' ) )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'background', 'title' => __('Background'), 'href' => admin_url('themes.php?page=custom-background') ) );

	if ( current_theme_supports( 'custom-header' ) )
		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'header', 'title' => __('Header'), 'href' => admin_url('themes.php?page=custom-header') ) );
}

/**
 * Provide an update link if theme/plugin/core updates are available.
 *
 * @since 3.1.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_updates_menu( $wp_admin_bar ) {

	$update_data = wp_get_update_data();

	if ( !$update_data['counts']['total'] )
		return;

	$title = '<span class="ab-icon"></span><span class="ab-label">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';
	$title .= '<span class="screen-reader-text">' . $update_data['title'] . '</span>';

	$wp_admin_bar->add_menu( array(
		'id'    => 'updates',
		'title' => $title,
		'href'  => network_admin_url( 'update-core.php' ),
		'meta'  => array(
			'title' => $update_data['title'],
		),
	) );
}

/**
 * Add search form.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_search_menu( $wp_admin_bar ) {
	if ( is_admin() )
		return;

	$form  = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';
	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';
	$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
	$form .= '</form>';

	$wp_admin_bar->add_menu( array(
		'parent' => 'top-secondary',
		'id'     => 'search',
		'title'  => $form,
		'meta'   => array(
			'class'    => 'admin-bar-search',
			'tabindex' => -1,
		)
	) );
}

/**
 * Add secondary menus.
 *
 * @since 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar
 */
function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {
	$wp_admin_bar->add_group( array(
		'id'     => 'top-secondary',
		'meta'   => array(
			'class' => 'ab-top-secondary',
		),
	) );

	$wp_admin_bar->add_group( array(
		'parent' => 'wp-logo',
		'id'     => 'wp-logo-external',
		'meta'   => array(
			'class' => 'ab-sub-secondary',
		),
	) );
}

/**
 * Style and scripts for the admin bar.
 *
 * @since 3.1.0
 */
function wp_admin_bar_header() { ?>
<style type="text/css" media="print">#wpadminbar { display:none; }</style>
<?php
}

/**
 * Default admin bar callback.
 *
 * @since 3.1.0
 */
function _admin_bar_bump_cb() { ?>
<style type="text/css" media="screen">
	html { margin-top: 32px !important; }
	* html body { margin-top: 32px !important; }
	@media screen and ( max-width: 782px ) {
		html { margin-top: 46px !important; }
		* html body { margin-top: 46px !important; }
	}
</style>
<?php
}

/**
 * Set the display status of the admin bar.
 *
 * This can be called immediately upon plugin load. It does not need to be called from a function hooked to the init action.
 *
 * @since 3.1.0
 *
 * @param bool $show Whether to allow the admin bar to show.
 * @return void
 */
function show_admin_bar( $show ) {
	global $show_admin_bar;
	$show_admin_bar = (bool) $show;
}

/**
 * Determine whether the admin bar should be showing.
 *
 * @since 3.1.0
 *
 * @return bool Whether the admin bar should be showing.
 */
function is_admin_bar_showing() {
	global $show_admin_bar, $pagenow;

	// For all these types of requests, we never want an admin bar.
	if ( defined('XMLRPC_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
		return false;

	// Integrated into the admin.
	if ( is_admin() )
		return true;

	if ( ! isset( $show_admin_bar ) ) {
		if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
			$show_admin_bar = false;
		} else {
			$show_admin_bar = _get_admin_bar_pref();
		}
	}

	/**
	 * Filter whether to show the admin bar.
	 *
	 * Returning false to this hook is the recommended way to hide the admin bar.
	 * The user's display preference is used for logged in users.
	 *
	 * @since 3.1.0
	 *
	 * @param bool $show_admin_bar Whether the admin bar should be shown. Default false.
	 */
	$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );

	return $show_admin_bar;
}

/**
 * Retrieve the admin bar display preference of a user.
 *
 * @since 3.1.0
 * @access private
 *
 * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
 * 	preference is no longer used.
 * @param int $user Optional. ID of the user to check, defaults to 0 for current user.
 * @return bool Whether the admin bar should be showing for this user.
 */
function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
	$pref = get_user_option( "show_admin_bar_{$context}", $user );
	if ( false === $pref )
		return true;

	return 'true' === $pref;
}

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<?php

/**

* Admin Bar

* This code handles the building and rendering of the press bar.

/**

* Instantiate the admin bar object and set it up as a global for access elsewhere.

* UNHOOKING THIS FUNCTION WILL NOT PROPERLY REMOVE THE ADMIN BAR.

* For that, use show_admin_bar(false) or the 'show_admin_bar' filter.

* @since 3.1.0

* @access private

* @return bool Whether the admin bar was successfully initialized.

function _wp_admin_bar_init() {

global $wp_admin_bar;

if ( ! is_admin_bar_showing() )

return false;

/* Load the admin bar class code ready for instantiation */

require( ABSPATH . WPINC . '/class-wp-admin-bar.php' );

/* Instantiate the admin bar */

/**

* Filter the admin bar class to instantiate.

* @since 3.1.0

* @param string $wp_admin_bar_class Admin bar class to use. Default 'WP_Admin_Bar'.

$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );

if ( class_exists( $admin_bar_class ) )

$wp_admin_bar = new $admin_bar_class;

else

return false;

$wp_admin_bar->initialize();

$wp_admin_bar->add_menus();

return true;

}

// Don't remove. Wrong way to disable.

add_action( 'template_redirect', '_wp_admin_bar_init', 0 );

add_action( 'admin_init', '_wp_admin_bar_init' );

/**

* Render the admin bar to the page based on the $wp_admin_bar->menu member var.

* This is called very late on the footer actions so that it will render after anything else being

* added to the footer.

* It includes the action "admin_bar_menu" which should be used to hook in and

* add new menus to the admin bar. That way you can be sure that you are adding at most optimal point,

* right before the admin bar is rendered. This also gives you access to the $post global, among others.

* @since 3.1.0

function wp_admin_bar_render() {

global $wp_admin_bar;

if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) )

return false;

/**

* Load all necessary admin bar items.

* This is the hook used to add, remove, or manipulate admin bar items.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference

do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );

/**

* Fires before the admin bar is rendered.

* @since 3.1.0

do_action( 'wp_before_admin_bar_render' );

$wp_admin_bar->render();

/**

* Fires after the admin bar is rendered.

* @since 3.1.0

do_action( 'wp_after_admin_bar_render' );

}

add_action( 'wp_footer', 'wp_admin_bar_render', 1000 );

add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );

/**

* Add the WordPress logo menu.

* @since 3.3.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_wp_menu( $wp_admin_bar ) {

$wp_admin_bar->add_menu( array(

'id' => 'wp-logo',

'title' => '<span class="ab-icon"></span>',

'href' => self_admin_url( 'about.php' ),

'meta' => array(

'title' => __('About WordPress'),

) );

if ( is_user_logged_in() ) {

// Add "About WordPress" link

$wp_admin_bar->add_menu( array(

'parent' => 'wp-logo',

'id' => 'about',

'title' => __('About WordPress'),

'href' => self_admin_url( 'about.php' ),

) );

}

// Add WordPress.org link

$wp_admin_bar->add_menu( array(

'parent' => 'wp-logo-external',

'id' => 'wporg',

'title' => __('WordPress.org'),

'href' => __('https://wordpress.org/'),

) );

// Add codex link

$wp_admin_bar->add_menu( array(

'parent' => 'wp-logo-external',

'id' => 'documentation',

'title' => __('Documentation'),

'href' => __('http://codex.wordpress.org/'),

) );

// Add forums link

$wp_admin_bar->add_menu( array(

'parent' => 'wp-logo-external',

'id' => 'support-forums',

'title' => __('Support Forums'),

'href' => __('https://wordpress.org/support/'),

) );

// Add feedback link

$wp_admin_bar->add_menu( array(

'parent' => 'wp-logo-external',

'id' => 'feedback',

'title' => __('Feedback'),

'href' => __('https://wordpress.org/support/forum/requests-and-feedback'),

) );

}

/**

* Add the sidebar toggle button.

* @since 3.8.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_sidebar_toggle( $wp_admin_bar ) {

if ( is_admin() ) {

$wp_admin_bar->add_menu( array(

'id' => 'menu-toggle',

'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'Menu' ) . '</span>',

'href' => '#',

) );

}

/**

* Add the "My Account" item.

* @since 3.3.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_my_account_item( $wp_admin_bar ) {

$user_id = get_current_user_id();

$current_user = wp_get_current_user();

$profile_url = get_edit_profile_url( $user_id );

if ( ! $user_id )

return;

$avatar = get_avatar( $user_id, 26 );

$howdy = sprintf( __('Howdy, %1$s'), $current_user->display_name );

$class = empty( $avatar ) ? '' : 'with-avatar';

$wp_admin_bar->add_menu( array(

'id' => 'my-account',

'parent' => 'top-secondary',

'title' => $howdy . $avatar,

'href' => $profile_url,

'meta' => array(

'class' => $class,

'title' => __('My Account'),

) );

}

/**

* Add the "My Account" submenu items.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_my_account_menu( $wp_admin_bar ) {

$user_id = get_current_user_id();

$current_user = wp_get_current_user();

$profile_url = get_edit_profile_url( $user_id );

if ( ! $user_id )

return;

$wp_admin_bar->add_group( array(

'parent' => 'my-account',

'id' => 'user-actions',

) );

$user_info = get_avatar( $user_id, 64 );

$user_info .= "<span class='display-name'>{$current_user->display_name}</span>";

if ( $current_user->display_name !== $current_user->user_login )

$user_info .= "<span class='username'>{$current_user->user_login}</span>";

$wp_admin_bar->add_menu( array(

'parent' => 'user-actions',

'id' => 'user-info',

'title' => $user_info,

'href' => $profile_url,

'meta' => array(

'tabindex' => -1,

) );

$wp_admin_bar->add_menu( array(

'parent' => 'user-actions',

'id' => 'edit-profile',

'title' => __( 'Edit My Profile' ),

'href' => $profile_url,

) );

$wp_admin_bar->add_menu( array(

'parent' => 'user-actions',

'id' => 'logout',

'title' => __( 'Log Out' ),

'href' => wp_logout_url(),

) );

}

/**

* Add the "Site Name" menu.

* @since 3.3.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_site_menu( $wp_admin_bar ) {

// Don't show for logged out users.

if ( ! is_user_logged_in() )

return;

// Show only when the user is a member of this site, or they're a super admin.

if ( ! is_user_member_of_blog() && ! is_super_admin() )

return;

$blogname = get_bloginfo('name');

if ( empty( $blogname ) )

$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );

if ( is_network_admin() ) {

$blogname = sprintf( __('Network Admin: %s'), esc_html( get_current_site()->site_name ) );

} elseif ( is_user_admin() ) {

$blogname = sprintf( __('Global Dashboard: %s'), esc_html( get_current_site()->site_name ) );

}

$title = wp_html_excerpt( $blogname, 40, '…' );

$wp_admin_bar->add_menu( array(

'id' => 'site-name',

'title' => $title,

'href' => is_admin() ? home_url( '/' ) : admin_url(),

) );

// Create submenu items.

if ( is_admin() ) {

// Add an option to visit the site.

$wp_admin_bar->add_menu( array(

'parent' => 'site-name',

'id' => 'view-site',

'title' => __( 'Visit Site' ),

'href' => home_url( '/' ),

) );

if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {

$wp_admin_bar->add_menu( array(

'parent' => 'site-name',

'id' => 'edit-site',

'title' => __( 'Edit Site' ),

'href' => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),

) );

}

} else {

// We're on the front end, link to the Dashboard.

$wp_admin_bar->add_menu( array(

'parent' => 'site-name',

'id' => 'dashboard',

'title' => __( 'Dashboard' ),

'href' => admin_url(),

) );

// Add the appearance submenu items.

wp_admin_bar_appearance_menu( $wp_admin_bar );

}

/**

* Add the "My Sites/[Site Name]" menu and all submenus.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {

// Don't show for logged out users or single site mode.

if ( ! is_user_logged_in() || ! is_multisite() )

return;

// Show only when the user has at least one site, or they're a super admin.

if ( count( $wp_admin_bar->user->blogs ) < 1 && ! is_super_admin() )

return;

$wp_admin_bar->add_menu( array(

'id' => 'my-sites',

'title' => __( 'My Sites' ),

'href' => admin_url( 'my-sites.php' ),

) );

if ( is_super_admin() ) {

$wp_admin_bar->add_group( array(

'parent' => 'my-sites',

'id' => 'my-sites-super-admin',

) );

$wp_admin_bar->add_menu( array(

'parent' => 'my-sites-super-admin',

'id' => 'network-admin',

'title' => __('Network Admin'),

'href' => network_admin_url(),

) );

$wp_admin_bar->add_menu( array(

'parent' => 'network-admin',

'id' => 'network-admin-d',

'title' => __( 'Dashboard' ),

'href' => network_admin_url(),

) );

$wp_admin_bar->add_menu( array(

'parent' => 'network-admin',

'id' => 'network-admin-s',

'title' => __( 'Sites' ),

'href' => network_admin_url( 'sites.php' ),

) );

$wp_admin_bar->add_menu( array(

'parent' => 'network-admin',

'id' => 'network-admin-u',

'title' => __( 'Users' ),

'href' => network_admin_url( 'users.php' ),

) );

$wp_admin_bar->add_menu( array(

'parent' => 'network-admin',

'id' => 'network-admin-t',

'title' => __( 'Themes' ),

'href' => network_admin_url( 'themes.php' ),

) );

$wp_admin_bar->add_menu( array(

'parent' => 'network-admin',

'id' => 'network-admin-p',

'title' => __( 'Plugins' ),

'href' => network_admin_url( 'plugins.php' ),

) );

}

// Add site links

$wp_admin_bar->add_group( array(

'parent' => 'my-sites',

'id' => 'my-sites-list',

'meta' => array(

'class' => is_super_admin() ? 'ab-sub-secondary' : '',

) );

foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {

switch_to_blog( $blog->userblog_id );

$blavatar = '<div class="blavatar"></div>';

$blogname = empty( $blog->blogname ) ? $blog->domain : $blog->blogname;

$menu_id = 'blog-' . $blog->userblog_id;

$wp_admin_bar->add_menu( array(

'parent' => 'my-sites-list',

'id' => $menu_id,

'title' => $blavatar . $blogname,

'href' => admin_url(),

) );

$wp_admin_bar->add_menu( array(

'parent' => $menu_id,

'id' => $menu_id . '-d',

'title' => __( 'Dashboard' ),

'href' => admin_url(),

) );

if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {

$wp_admin_bar->add_menu( array(

'parent' => $menu_id,

'id' => $menu_id . '-n',

'title' => __( 'New Post' ),

'href' => admin_url( 'post-new.php' ),

) );

}

if ( current_user_can( 'edit_posts' ) ) {

$wp_admin_bar->add_menu( array(

'parent' => $menu_id,

'id' => $menu_id . '-c',

'title' => __( 'Manage Comments' ),

'href' => admin_url( 'edit-comments.php' ),

) );

}

$wp_admin_bar->add_menu( array(

'parent' => $menu_id,

'id' => $menu_id . '-v',

'title' => __( 'Visit Site' ),

'href' => home_url( '/' ),

) );

restore_current_blog();

}

/**

* Provide a shortlink.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {

$short = wp_get_shortlink( 0, 'query' );

$id = 'get-shortlink';

if ( empty( $short ) )

return;

$html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" />';

$wp_admin_bar->add_menu( array(

'id' => $id,

'title' => __( 'Shortlink' ),

'href' => $short,

'meta' => array( 'html' => $html ),

) );

}

/**

* Provide an edit link for posts and terms.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_edit_menu( $wp_admin_bar ) {

global $tag, $wp_the_query;

if ( is_admin() ) {

$current_screen = get_current_screen();

$post = get_post();

if ( 'post' == $current_screen->base

&& 'add' != $current_screen->action

&& ( $post_type_object = get_post_type_object( $post->post_type ) )

&& current_user_can( 'read_post', $post->ID )

&& ( $post_type_object->public )

&& ( $post_type_object->show_in_admin_bar ) )

{

if( 'draft' == $post->post_status ) {

$preview_link = set_url_scheme( get_permalink( $post->ID ) );

/** This filter is documented in wp-admin/includes/meta-boxes.php */

$preview_link = apply_filters( 'preview_post_link', add_query_arg( 'preview', 'true', $preview_link ), $post );

$wp_admin_bar->add_menu( array(

'id' => 'preview',

'title' => $post_type_object->labels->view_item,

'href' => esc_url( $preview_link ),

'meta' => array( 'target' => 'wp-preview-' . $post->ID ),

) );

} else {

$wp_admin_bar->add_menu( array(

'id' => 'view',

'title' => $post_type_object->labels->view_item,

'href' => get_permalink( $post->ID )

) );

}

} elseif ( 'edit-tags' == $current_screen->base

&& isset( $tag ) && is_object( $tag )

&& ( $tax = get_taxonomy( $tag->taxonomy ) )

&& $tax->public )

{

$wp_admin_bar->add_menu( array(

'id' => 'view',

'title' => $tax->labels->view_item,

'href' => get_term_link( $tag )

) );

}

} else {

$current_object = $wp_the_query->get_queried_object();

if ( empty( $current_object ) )

return;

if ( ! empty( $current_object->post_type )

&& ( $post_type_object = get_post_type_object( $current_object->post_type ) )

&& current_user_can( 'edit_post', $current_object->ID )

&& $post_type_object->show_ui && $post_type_object->show_in_admin_bar )

{

$wp_admin_bar->add_menu( array(

'id' => 'edit',

'title' => $post_type_object->labels->edit_item,

'href' => get_edit_post_link( $current_object->ID )

) );

} elseif ( ! empty( $current_object->taxonomy )

&& ( $tax = get_taxonomy( $current_object->taxonomy ) )

&& current_user_can( $tax->cap->edit_terms )

&& $tax->show_ui )

{

$wp_admin_bar->add_menu( array(

'id' => 'edit',

'title' => $tax->labels->edit_item,

'href' => get_edit_term_link( $current_object->term_id, $current_object->taxonomy )

) );

}

/**

* Add "Add New" menu.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_new_content_menu( $wp_admin_bar ) {

$actions = array();

$cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );

if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->create_posts ) )

$actions[ 'post-new.php' ] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );

if ( isset( $cpts['attachment'] ) && current_user_can( 'upload_files' ) )

$actions[ 'media-new.php' ] = array( $cpts['attachment']->labels->name_admin_bar, 'new-media' );

if ( current_user_can( 'manage_links' ) )

$actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );

if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->create_posts ) )

$actions[ 'post-new.php?post_type=page' ] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );

unset( $cpts['post'], $cpts['page'], $cpts['attachment'] );

// Add any additional custom post types.

foreach ( $cpts as $cpt ) {

if ( ! current_user_can( $cpt->cap->create_posts ) )

continue;

$key = 'post-new.php?post_type=' . $cpt->name;

$actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );

}

// Avoid clash with parent node and a 'content' post type.

if ( isset( $actions['post-new.php?post_type=content'] ) )

$actions['post-new.php?post_type=content'][1] = 'add-new-content';

if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )

$actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );

if ( ! $actions )

return;

$title = '<span class="ab-icon"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';

$wp_admin_bar->add_menu( array(

'id' => 'new-content',

'title' => $title,

'href' => admin_url( current( array_keys( $actions ) ) ),

'meta' => array(

'title' => _x( 'Add New', 'admin bar menu group label' ),

) );

foreach ( $actions as $link => $action ) {

list( $title, $id ) = $action;

$wp_admin_bar->add_menu( array(

'parent' => 'new-content',

'id' => $id,

'title' => $title,

'href' => admin_url( $link )

) );

}

/**

* Add edit comments link with awaiting moderation count bubble.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_comments_menu( $wp_admin_bar ) {

if ( !current_user_can('edit_posts') )

return;

$awaiting_mod = wp_count_comments();

$awaiting_mod = $awaiting_mod->moderated;

$awaiting_title = esc_attr( sprintf( _n( '%s comment awaiting moderation', '%s comments awaiting moderation', $awaiting_mod ), number_format_i18n( $awaiting_mod ) ) );

$icon = '<span class="ab-icon"></span>';

$title = '<span id="ab-awaiting-mod" class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '">' . number_format_i18n( $awaiting_mod ) . '</span>';

$wp_admin_bar->add_menu( array(

'id' => 'comments',

'title' => $icon . $title,

'href' => admin_url('edit-comments.php'),

'meta' => array( 'title' => $awaiting_title ),

) );

}

/**

* Add appearance submenu items to the "Site Name" menu.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_appearance_menu( $wp_admin_bar ) {

$wp_admin_bar->add_group( array( 'parent' => 'site-name', 'id' => 'appearance' ) );

if ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )

$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'themes', 'title' => __('Themes'), 'href' => admin_url('themes.php') ) );

if ( ! current_user_can( 'edit_theme_options' ) )

return;

if ( current_user_can( 'customize' ) ) {

$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

$wp_admin_bar->add_menu( array(

'parent' => 'appearance',

'id' => 'customize',

'title' => __('Customize'),

'href' => add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() ),

'meta' => array(

'class' => 'hide-if-no-customize',

) );

add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );

}

if ( current_theme_supports( 'widgets' ) )

$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'widgets', 'title' => __('Widgets'), 'href' => admin_url('widgets.php') ) );

if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) )

$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'menus', 'title' => __('Menus'), 'href' => admin_url('nav-menus.php') ) );

if ( current_theme_supports( 'custom-background' ) )

$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'background', 'title' => __('Background'), 'href' => admin_url('themes.php?page=custom-background') ) );

if ( current_theme_supports( 'custom-header' ) )

$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'header', 'title' => __('Header'), 'href' => admin_url('themes.php?page=custom-header') ) );

}

/**

* Provide an update link if theme/plugin/core updates are available.

* @since 3.1.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_updates_menu( $wp_admin_bar ) {

$update_data = wp_get_update_data();

if ( !$update_data['counts']['total'] )

return;

$title = '<span class="ab-icon"></span><span class="ab-label">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';

$title .= '<span class="screen-reader-text">' . $update_data['title'] . '</span>';

$wp_admin_bar->add_menu( array(

'id' => 'updates',

'title' => $title,

'href' => network_admin_url( 'update-core.php' ),

'meta' => array(

'title' => $update_data['title'],

) );

}

/**

* Add search form.

* @since 3.3.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_search_menu( $wp_admin_bar ) {

if ( is_admin() )

return;

$form = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';

$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';

$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';

$form .= '</form>';

$wp_admin_bar->add_menu( array(

'parent' => 'top-secondary',

'id' => 'search',

'title' => $form,

'meta' => array(

'class' => 'admin-bar-search',

'tabindex' => -1,

)

) );

}

/**

* Add secondary menus.

* @since 3.3.0

* @param WP_Admin_Bar $wp_admin_bar

function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {

$wp_admin_bar->add_group( array(

'id' => 'top-secondary',

'meta' => array(

'class' => 'ab-top-secondary',

) );

$wp_admin_bar->add_group( array(

'parent' => 'wp-logo',

'id' => 'wp-logo-external',

'meta' => array(

'class' => 'ab-sub-secondary',

) );

}

/**

* Style and scripts for the admin bar.

* @since 3.1.0

function wp_admin_bar_header() { ?>

<?php

}

/**

* Default admin bar callback.

* @since 3.1.0

function _admin_bar_bump_cb() { ?>

html { margin-top: 32px !important; }

* html body { margin-top: 32px !important; }

@media screen and ( max-width: 782px ) {

html { margin-top: 46px !important; }

* html body { margin-top: 46px !important; }

}

</style>

<?php

}

/**

* Set the display status of the admin bar.

* This can be called immediately upon plugin load. It does not need to be called from a function hooked to the init action.

* @since 3.1.0

* @param bool $show Whether to allow the admin bar to show.

* @return void

function show_admin_bar( $show ) {

global $show_admin_bar;

$show_admin_bar = (bool) $show;

}

/**

* Determine whether the admin bar should be showing.

* @since 3.1.0

* @return bool Whether the admin bar should be showing.

function is_admin_bar_showing() {

global $show_admin_bar, $pagenow;

// For all these types of requests, we never want an admin bar.

if ( defined('XMLRPC_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )

return false;

// Integrated into the admin.

if ( is_admin() )

return true;

if ( ! isset( $show_admin_bar ) ) {

if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {

$show_admin_bar = false;

} else {

$show_admin_bar = _get_admin_bar_pref();

}

/**

* Filter whether to show the admin bar.

* Returning false to this hook is the recommended way to hide the admin bar.

* The user's display preference is used for logged in users.

* @since 3.1.0

* @param bool $show_admin_bar Whether the admin bar should be shown. Default false.

$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );

return $show_admin_bar;

}

/**

* Retrieve the admin bar display preference of a user.

* @since 3.1.0

* @access private

* @param string $context Context of this preference check. Defaults to 'front'. The 'admin'

* preference is no longer used.

* @param int $user Optional. ID of the user to check, defaults to 0 for current user.

* @return bool Whether the admin bar should be showing for this user.

function _get_admin_bar_pref( $context = 'front', $user = 0 ) {

$pref = get_user_option( "show_admin_bar_{$context}", $user );

if ( false === $pref )

return true;

return 'true' === $pref;

}

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/blog/wp-includes/formatting.php 5

WordPressを読む　25-5 /blog/wp-includes/formatting.php 5