WordPressを読む　46-2 /blog/wp-includes/comment-template.php 2

2014/11/30 2015/01/14

/blog/wp-includes/comment-template.php 2

関数　get_comment_excerpt()

/**
 * Retrieve the excerpt of the current comment.
 *
 * Will cut each word and only output the first 20 words with '&hellip;' at the end.
 * If the word count is less than 20, then no truncating is done and no '&hellip;'
 * will appear.
 *
 * @since 1.5.0
 *
 * @param int $comment_ID ID of the comment for which to get the excerpt.
 *                        Default current comment.
 * @return string The maybe truncated comment with 20 words or less.
 */
function get_comment_excerpt( $comment_ID = 0 ) {
	$comment = get_comment( $comment_ID );
	$comment_text = strip_tags($comment->comment_content);
	$blah = explode(' ', $comment_text);
	if (count($blah) > 20) {
		$k = 20;
		$use_dotdotdot = 1;
	} else {
		$k = count($blah);
		$use_dotdotdot = 0;
	}
	$excerpt = '';
	for ($i=0; $i<$k; $i++) {
		$excerpt .= $blah[$i] . ' ';
	}
	$excerpt .= ($use_dotdotdot) ? '&hellip;' : '';

	/**
	 * Filter the retrieved comment excerpt.
	 *
	 * @since 1.5.0
	 *
	 * @param string $excerpt The comment excerpt text.
	 */
	return apply_filters( 'get_comment_excerpt', $excerpt );
}

/**

* Retrieve the excerpt of the current comment.

* Will cut each word and only output the first 20 words with '…' at the end.

* If the word count is less than 20, then no truncating is done and no '…'

* will appear.

* @since 1.5.0

* @param int $comment_ID ID of the comment for which to get the excerpt.

* Default current comment.

* @return string The maybe truncated comment with 20 words or less.

function get_comment_excerpt( $comment_ID = 0 ) {

$comment = get_comment( $comment_ID );

$comment_text = strip_tags($comment->comment_content);

$blah = explode(' ', $comment_text);

if (count($blah) > 20) {

$k = 20;

$use_dotdotdot = 1;

} else {

$k = count($blah);

$use_dotdotdot = 0;

}

$excerpt = '';

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

$excerpt .= $blah[$i] . ' ';

}

$excerpt .= ($use_dotdotdot) ? '…' : '';

/**

* Filter the retrieved comment excerpt.

* @since 1.5.0

* @param string $excerpt The comment excerpt text.

return apply_filters( 'get_comment_excerpt', $excerpt );

}

関数　comment_excerpt()

/**
 * Display the excerpt of the current comment.
 *
 * @since 1.2.0
 *
 * @param int $comment_ID ID of the comment for which to print the excerpt.
 *                        Default current comment.
 */
function comment_excerpt( $comment_ID = 0 ) {
	$comment_excerpt = get_comment_excerpt($comment_ID);
	/**
	 * Filter the comment excerpt for display.
	 *
	 * @since 1.2.0
	 *
	 * @param string $comment_excerpt The comment excerpt text.
	 */
	echo apply_filters( 'comment_excerpt', $comment_excerpt );
}

/**

* Display the excerpt of the current comment.

* @since 1.2.0

* @param int $comment_ID ID of the comment for which to print the excerpt.

* Default current comment.

function comment_excerpt( $comment_ID = 0 ) {

$comment_excerpt = get_comment_excerpt($comment_ID);

/**

* Filter the comment excerpt for display.

* @since 1.2.0

* @param string $comment_excerpt The comment excerpt text.

echo apply_filters( 'comment_excerpt', $comment_excerpt );

}

関数　get_comment_ID()

/**
 * Retrieve the comment id of the current comment.
 *
 * @since 1.5.0
 *
 * @return int The comment ID.
 */
function get_comment_ID() {
	global $comment;
	/**
	 * Filter the returned comment ID.
	 *
	 * @since 1.5.0
	 *
	 * @param int $comment_ID The current comment ID.
	 */
	return apply_filters( 'get_comment_ID', $comment->comment_ID );
}

/**

* Retrieve the comment id of the current comment.

* @since 1.5.0

* @return int The comment ID.

function get_comment_ID() {

global $comment;

/**

* Filter the returned comment ID.

* @since 1.5.0

* @param int $comment_ID The current comment ID.

return apply_filters( 'get_comment_ID', $comment->comment_ID );

}

関数　comment_ID()

/**
 * Display the comment id of the current comment.
 *
 * @since 0.71
 */
function comment_ID() {
	echo get_comment_ID();
}

/**

* Display the comment id of the current comment.

* @since 0.71

function comment_ID() {

echo get_comment_ID();

}

関数　get_comment_link()

/**
 * Retrieve the link to a given comment.
 *
 * @since 1.5.0
 *
 * @see get_page_of_comment()
 *
 * @param mixed $comment Comment to retrieve. Default current comment.
 * @param array $args    Optional. An array of arguments to override the defaults.
 * @return string The permalink to the given comment.
 */
function get_comment_link( $comment = null, $args = array() ) {
	global $wp_rewrite, $in_comment_loop;

	$comment = get_comment($comment);

	// Backwards compat
	if ( ! is_array( $args ) ) {
		$args = array( 'page' => $args );
	}

	$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
	$args = wp_parse_args( $args, $defaults );

	if ( '' === $args['per_page'] && get_option('page_comments') )
		$args['per_page'] = get_option('comments_per_page');

	if ( empty($args['per_page']) ) {
		$args['per_page'] = 0;
		$args['page'] = 0;
	}

	if ( $args['per_page'] ) {
		if ( '' == $args['page'] )
			$args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );

		if ( $wp_rewrite->using_permalinks() )
			$link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );
		else
			$link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );
	} else {
		$link = get_permalink( $comment->comment_post_ID );
	}

	$link = $link . '#comment-' . $comment->comment_ID;
	/**
	 * Filter the returned single comment permalink.
	 *
	 * @since 2.8.0
	 *
	 * @see get_page_of_comment()
	 *
	 * @param string $link    The comment permalink with '#comment-$id' appended.
	 * @param object $comment The current comment object.
	 * @param array  $args    An array of arguments to override the defaults.
	 */
	return apply_filters( 'get_comment_link', $link, $comment, $args );
}

/**

* Retrieve the link to a given comment.

* @since 1.5.0

* @see get_page_of_comment()

* @param mixed $comment Comment to retrieve. Default current comment.

* @param array $args Optional. An array of arguments to override the defaults.

* @return string The permalink to the given comment.

function get_comment_link( $comment = null, $args = array() ) {

global $wp_rewrite, $in_comment_loop;

$comment = get_comment($comment);

// Backwards compat

if ( ! is_array( $args ) ) {

$args = array( 'page' => $args );

}

$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );

$args = wp_parse_args( $args, $defaults );

if ( '' === $args['per_page'] && get_option('page_comments') )

$args['per_page'] = get_option('comments_per_page');

if ( empty($args['per_page']) ) {

$args['per_page'] = 0;

$args['page'] = 0;

}

if ( $args['per_page'] ) {

if ( '' == $args['page'] )

$args['page'] = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args );

if ( $wp_rewrite->using_permalinks() )

$link = user_trailingslashit( trailingslashit( get_permalink( $comment->comment_post_ID ) ) . 'comment-page-' . $args['page'], 'comment' );

else

$link = add_query_arg( 'cpage', $args['page'], get_permalink( $comment->comment_post_ID ) );

} else {

$link = get_permalink( $comment->comment_post_ID );

}

$link = $link . '#comment-' . $comment->comment_ID;

/**

* Filter the returned single comment permalink.

* @since 2.8.0

* @see get_page_of_comment()

* @param string $link The comment permalink with '#comment-$id' appended.

* @param object $comment The current comment object.

* @param array $args An array of arguments to override the defaults.

return apply_filters( 'get_comment_link', $link, $comment, $args );

}

関数　get_comments_link()

/**
 * Retrieve the link to the current post comments.
 *
 * @since 1.5.0
 *
 * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
 * @return string The link to the comments.
 */
function get_comments_link( $post_id = 0 ) {
	$comments_link = get_permalink( $post_id ) . '#comments';
	/**
	 * Filter the returned post comments permalink.
	 *
	 * @since 3.6.0
	 *
	 * @param string      $comments_link Post comments permalink with '#comments' appended.
	 * @param int|WP_Post $post_id       Post ID or WP_Post object.
	 */
	return apply_filters( 'get_comments_link', $comments_link, $post_id );
}

/**

* Retrieve the link to the current post comments.

* @since 1.5.0

* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.

* @return string The link to the comments.

function get_comments_link( $post_id = 0 ) {

$comments_link = get_permalink( $post_id ) . '#comments';

/**

* Filter the returned post comments permalink.

* @since 3.6.0

* @param string $comments_link Post comments permalink with '#comments' appended.

* @param int|WP_Post $post_id Post ID or WP_Post object.

return apply_filters( 'get_comments_link', $comments_link, $post_id );

}

関数　comments_link()

/**
 * Display the link to the current post comments.
 *
 * @since 0.71
 *
 * @param string $deprecated   Not Used.
 * @param bool   $deprecated_2 Not Used.
 */
function comments_link( $deprecated = '', $deprecated_2 = '' ) {
	if ( !empty( $deprecated ) )
		_deprecated_argument( __FUNCTION__, '0.72' );
	if ( !empty( $deprecated_2 ) )
		_deprecated_argument( __FUNCTION__, '1.3' );
	echo esc_url( get_comments_link() );
}

/**

* Display the link to the current post comments.

* @since 0.71

* @param string $deprecated Not Used.

* @param bool $deprecated_2 Not Used.

function comments_link( $deprecated = '', $deprecated_2 = '' ) {

if ( !empty( $deprecated ) )

_deprecated_argument( __FUNCTION__, '0.72' );

if ( !empty( $deprecated_2 ) )

_deprecated_argument( __FUNCTION__, '1.3' );

echo esc_url( get_comments_link() );

}

関数　get_comments_number()

/**
 * Retrieve the amount of comments a post has.
 *
 * @since 1.5.0
 *
 * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
 * @return int The number of comments a post has.
 */
function get_comments_number( $post_id = 0 ) {
	$post_id = absint( $post_id );

	if ( !$post_id )
		$post_id = get_the_ID();

	$post = get_post($post_id);
	if ( ! isset($post->comment_count) )
		$count = 0;
	else
		$count = $post->comment_count;

	/**
	 * Filter the returned comment count for a post.
	 *
	 * @since 1.5.0
	 *
	 * @param int         $count   Nnumber of comments a post has.
	 * @param int|WP_Post $post_id Post ID or WP_Post object.
	 */
	return apply_filters( 'get_comments_number', $count, $post_id );
}

/**

* Retrieve the amount of comments a post has.

* @since 1.5.0

* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.

* @return int The number of comments a post has.

function get_comments_number( $post_id = 0 ) {

$post_id = absint( $post_id );

if ( !$post_id )

$post_id = get_the_ID();

$post = get_post($post_id);

if ( ! isset($post->comment_count) )

$count = 0;

else

$count = $post->comment_count;

/**

* Filter the returned comment count for a post.

* @since 1.5.0

* @param int $count Nnumber of comments a post has.

* @param int|WP_Post $post_id Post ID or WP_Post object.

return apply_filters( 'get_comments_number', $count, $post_id );

}

関数　comments_number()

/**
 * Display the language string for the number of comments the current post has.
 *
 * @since 0.71
 *
 * @param string $zero       Optional. Text for no comments. Default false.
 * @param string $one        Optional. Text for one comment. Default false.
 * @param string $more       Optional. Text for more than one comment. Default false.
 * @param string $deprecated Not used.
 */
function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
	if ( !empty( $deprecated ) )
		_deprecated_argument( __FUNCTION__, '1.3' );

	$number = get_comments_number();

	if ( $number > 1 )
		$output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
	elseif ( $number == 0 )
		$output = ( false === $zero ) ? __('No Comments') : $zero;
	else // must be one
		$output = ( false === $one ) ? __('1 Comment') : $one;

	/**
	 * Filter the comments count for display.
	 *
	 * @since 1.5.0
	 *
	 * @see _n()
	 *
	 * @param string $output A translatable string formatted based on whether the count
	 *                       is equal to 0, 1, or 1+.
	 * @param int    $number The number of post comments.
	 */
	echo apply_filters( 'comments_number', $output, $number );
}

/**

* Display the language string for the number of comments the current post has.

* @since 0.71

* @param string $zero Optional. Text for no comments. Default false.

* @param string $one Optional. Text for one comment. Default false.

* @param string $more Optional. Text for more than one comment. Default false.

* @param string $deprecated Not used.

function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {

if ( !empty( $deprecated ) )

_deprecated_argument( __FUNCTION__, '1.3' );

$number = get_comments_number();

if ( $number > 1 )

$output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);

elseif ( $number == 0 )

$output = ( false === $zero ) ? __('No Comments') : $zero;

else // must be one

$output = ( false === $one ) ? __('1 Comment') : $one;

/**

* Filter the comments count for display.

* @since 1.5.0

* @see _n()

* @param string $output A translatable string formatted based on whether the count

* is equal to 0, 1, or 1+.

* @param int $number The number of post comments.

echo apply_filters( 'comments_number', $output, $number );

}

関数　get_comment_text()

/**
 * Retrieve the text of the current comment.
 *
 * @since 1.5.0
 *
 * @see Walker_Comment::comment()
 *
 * @param int   $comment_ID ID of the comment for which to get the text. Default current comment.
 * @param array $args       Optional. An array of arguments. Default empty.
 * @return string The comment content.
 */
function get_comment_text( $comment_ID = 0, $args = array() ) {
	$comment = get_comment( $comment_ID );

	/**
	 * Filter the text of a comment.
	 *
	 * @since 1.5.0
	 *
	 * @see Walker_Comment::comment()
	 *
	 * @param string $comment_content Text of the comment.
	 * @param object $comment         The comment object.
	 * @param array  $args            An array of arguments.
	 */
	return apply_filters( 'get_comment_text', $comment->comment_content, $comment, $args );
}

/**

* Retrieve the text of the current comment.

* @since 1.5.0

* @see Walker_Comment::comment()

* @param int $comment_ID ID of the comment for which to get the text. Default current comment.

* @param array $args Optional. An array of arguments. Default empty.

* @return string The comment content.

function get_comment_text( $comment_ID = 0, $args = array() ) {

$comment = get_comment( $comment_ID );

/**

* Filter the text of a comment.

* @since 1.5.0

* @see Walker_Comment::comment()

* @param string $comment_content Text of the comment.

* @param object $comment The comment object.

* @param array $args An array of arguments.

return apply_filters( 'get_comment_text', $comment->comment_content, $comment, $args );

}

関数　comment_text()

/**
 * Display the text of the current comment.
 *
 * @since 0.71
 *
 * @see Walker_Comment::comment()
 *
 * @param int   $comment_ID ID of the comment for which to print the text. Default 0.
 * @param array $args       Optional. An array of arguments. Default empty array. Default empty.
 */
function comment_text( $comment_ID = 0, $args = array() ) {
	$comment = get_comment( $comment_ID );

	$comment_text = get_comment_text( $comment_ID , $args );
	/**
	 * Filter the text of a comment to be displayed.
	 *
	 * @since 1.2.0
	 *
	 * @see Walker_Comment::comment()
	 *
	 * @param string $comment_text Text of the current comment.
	 * @param object $comment      The comment object.
	 * @param array  $args         An array of arguments.
	 */
	echo apply_filters( 'comment_text', $comment_text, $comment, $args );
}

/**

* Display the text of the current comment.

* @since 0.71

* @see Walker_Comment::comment()

* @param int $comment_ID ID of the comment for which to print the text. Default 0.

* @param array $args Optional. An array of arguments. Default empty array. Default empty.

function comment_text( $comment_ID = 0, $args = array() ) {

$comment = get_comment( $comment_ID );

$comment_text = get_comment_text( $comment_ID , $args );

/**

* Filter the text of a comment to be displayed.

* @since 1.2.0

* @see Walker_Comment::comment()

* @param string $comment_text Text of the current comment.

* @param object $comment The comment object.

* @param array $args An array of arguments.

echo apply_filters( 'comment_text', $comment_text, $comment, $args );

}

関数　get_comment_time()

/**
 * Retrieve the comment time of the current comment.
 *
 * @since 1.5.0
 *
 * @param string $d         Optional. The format of the time. Default user's settings.
 * @param bool   $gmt       Optional. Whether to use the GMT date. Default false.
 * @param bool   $translate Optional. Whether to translate the time (for use in feeds).
 *                          Default true.
 * @return string The formatted time.
 */
function get_comment_time( $d = '', $gmt = false, $translate = true ) {
	global $comment;
	$comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;
	if ( '' == $d )
		$date = mysql2date(get_option('time_format'), $comment_date, $translate);
	else
		$date = mysql2date($d, $comment_date, $translate);

	/**
	 * Filter the returned comment time.
	 *
	 * @since 1.5.0
	 *
	 * @param string|int $date      The comment time, formatted as a date string or Unix timestamp.
	 * @param string     $d         Date format.
	 * @param bool       $gmt       Whether the GMT date is in use.
	 * @param bool       $translate Whether the time is translated.
	 * @param object     $comment   The comment object.
	 */
	return apply_filters( 'get_comment_time', $date, $d, $gmt, $translate, $comment );
}

/**

* Retrieve the comment time of the current comment.

* @since 1.5.0

* @param string $d Optional. The format of the time. Default user's settings.

* @param bool $gmt Optional. Whether to use the GMT date. Default false.

* @param bool $translate Optional. Whether to translate the time (for use in feeds).

* Default true.

* @return string The formatted time.

function get_comment_time( $d = '', $gmt = false, $translate = true ) {

global $comment;

$comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;

if ( '' == $d )

$date = mysql2date(get_option('time_format'), $comment_date, $translate);

else

$date = mysql2date($d, $comment_date, $translate);

/**

* Filter the returned comment time.

* @since 1.5.0

* @param string|int $date The comment time, formatted as a date string or Unix timestamp.

* @param string $d Date format.

* @param bool $gmt Whether the GMT date is in use.

* @param bool $translate Whether the time is translated.

* @param object $comment The comment object.

return apply_filters( 'get_comment_time', $date, $d, $gmt, $translate, $comment );

}

関数　comment_time()

/**
 * Display the comment time of the current comment.
 *
 * @since 0.71
 *
 * @param string $d Optional. The format of the time. Default user's settings.
 */
function comment_time( $d = '' ) {
	echo get_comment_time($d);
}

/**

* Display the comment time of the current comment.

* @since 0.71

* @param string $d Optional. The format of the time. Default user's settings.

function comment_time( $d = '' ) {

echo get_comment_time($d);

}

関数　get_comment_type()

/**
 * Retrieve the comment type of the current comment.
 *
 * @since 1.5.0
 *
 * @param int $comment_ID ID of the comment for which to get the type. Default current comment.
 * @return string The comment type.
 */
function get_comment_type( $comment_ID = 0 ) {
	$comment = get_comment( $comment_ID );
	if ( '' == $comment->comment_type )
		$comment->comment_type = 'comment';

	/**
	 * Filter the returned comment type.
	 *
	 * @since 1.5.0
	 *
	 * @param string $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
	 */
	return apply_filters( 'get_comment_type', $comment->comment_type );
}

/**

* Retrieve the comment type of the current comment.

* @since 1.5.0

* @param int $comment_ID ID of the comment for which to get the type. Default current comment.

* @return string The comment type.

function get_comment_type( $comment_ID = 0 ) {

$comment = get_comment( $comment_ID );

if ( '' == $comment->comment_type )

$comment->comment_type = 'comment';

/**

* Filter the returned comment type.

* @since 1.5.0

* @param string $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.

return apply_filters( 'get_comment_type', $comment->comment_type );

}

関数　comment_type()

/**
 * Display the comment type of the current comment.
 *
 * @since 0.71
 *
 * @param string $commenttxt   Optional. String to display for comment type. Default false.
 * @param string $trackbacktxt Optional. String to display for trackback type. Default false.
 * @param string $pingbacktxt  Optional. String to display for pingback type. Default false.
 */
function comment_type( $commenttxt = false, $trackbacktxt = false, $pingbacktxt = false ) {
	if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );
	if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );
	if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );
	$type = get_comment_type();
	switch( $type ) {
		case 'trackback' :
			echo $trackbacktxt;
			break;
		case 'pingback' :
			echo $pingbacktxt;
			break;
		default :
			echo $commenttxt;
	}
}

/**

* Display the comment type of the current comment.

* @since 0.71

* @param string $commenttxt Optional. String to display for comment type. Default false.

* @param string $trackbacktxt Optional. String to display for trackback type. Default false.

* @param string $pingbacktxt Optional. String to display for pingback type. Default false.

function comment_type( $commenttxt = false, $trackbacktxt = false, $pingbacktxt = false ) {

if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );

if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );

if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );

$type = get_comment_type();

switch( $type ) {

case 'trackback' :

echo $trackbacktxt;

break;

case 'pingback' :

echo $pingbacktxt;

break;

default :

echo $commenttxt;

}

関数　get_trackback_url()

/**
 * Retrieve The current post's trackback URL.
 *
 * There is a check to see if permalink's have been enabled and if so, will
 * retrieve the pretty path. If permalinks weren't enabled, the ID of the
 * current post is used and appended to the correct page to go to.
 *
 * @since 1.5.0
 *
 * @return string The trackback URL after being filtered.
 */
function get_trackback_url() {
	if ( '' != get_option('permalink_structure') )
		$tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
	else
		$tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . get_the_ID();

	/**
	 * Filter the returned trackback URL.
	 *
	 * @since 2.2.0
	 *
	 * @param string $tb_url The trackback URL.
	 */
	return apply_filters( 'trackback_url', $tb_url );
}

/**

* Retrieve The current post's trackback URL.

* There is a check to see if permalink's have been enabled and if so, will

* retrieve the pretty path. If permalinks weren't enabled, the ID of the

* current post is used and appended to the correct page to go to.

* @since 1.5.0

* @return string The trackback URL after being filtered.

function get_trackback_url() {

if ( '' != get_option('permalink_structure') )

$tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');

else

$tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . get_the_ID();

/**

* Filter the returned trackback URL.

* @since 2.2.0

* @param string $tb_url The trackback URL.

return apply_filters( 'trackback_url', $tb_url );

}

関数　trackback_url()

/**
 * Display the current post's trackback URL.
 *
 * @since 0.71
 *
 * @param bool $deprecated_echo Not used.
 * @return void|string Should only be used to echo the trackback URL, use get_trackback_url()
 *                     for the result instead.
 */
function trackback_url( $deprecated_echo = true ) {
	if ( $deprecated_echo !== true )
		_deprecated_argument( __FUNCTION__, '2.5', __('Use <code>get_trackback_url()</code> instead if you do not want the value echoed.') );
	if ( $deprecated_echo )
		echo get_trackback_url();
	else
		return get_trackback_url();
}

/**

* Display the current post's trackback URL.

* @since 0.71

* @param bool $deprecated_echo Not used.

* @return void|string Should only be used to echo the trackback URL, use get_trackback_url()

* for the result instead.

function trackback_url( $deprecated_echo = true ) {

if ( $deprecated_echo !== true )

_deprecated_argument( __FUNCTION__, '2.5', __('Use <code>get_trackback_url()</code> instead if you do not want the value echoed.') );

if ( $deprecated_echo )

echo get_trackback_url();

else

return get_trackback_url();

}

関数　trackback_rdf()

/**
 * Generate and display the RDF for the trackback information of current post.
 *
 * Deprecated in 3.0.0, and restored in 3.0.1.
 *
 * @since 0.71
 *
 * @param int $deprecated Not used (Was $timezone = 0).
 */
function trackback_rdf( $deprecated = '' ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '2.5' );
	}

	if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && false !== stripos( $_SERVER['HTTP_USER_AGENT'], 'W3C_Validator' ) ) {
		return;
	}

	echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
			xmlns:dc="http://purl.org/dc/elements/1.1/"
			xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
		<rdf:Description rdf:about="';
	the_permalink();
	echo '"'."\n";
	echo '    dc:identifier="';
	the_permalink();
	echo '"'."\n";
	echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
	echo '    trackback:ping="'.get_trackback_url().'"'." />\n";
	echo '</rdf:RDF>';
}

/**

* Generate and display the RDF for the trackback information of current post.

* Deprecated in 3.0.0, and restored in 3.0.1.

* @since 0.71

* @param int $deprecated Not used (Was $timezone = 0).

function trackback_rdf( $deprecated = '' ) {

if ( ! empty( $deprecated ) ) {

_deprecated_argument( __FUNCTION__, '2.5' );

}

if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && false !== stripos( $_SERVER['HTTP_USER_AGENT'], 'W3C_Validator' ) ) {

return;

}

echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

xmlns:dc="http://purl.org/dc/elements/1.1/"

xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">

<rdf:Description rdf:about="';

the_permalink();

echo '"'."\n";

echo ' dc:identifier="';

the_permalink();

echo '"'."\n";

echo ' dc:title="'.str_replace('--', '--', wptexturize(strip_tags(get_the_title()))).'"'."\n";

echo ' trackback:ping="'.get_trackback_url().'"'." />\n";

echo '</rdf:RDF>';

}

関数　comments_open()

/**
 * Whether the current post is open for comments.
 *
 * @since 1.5.0
 *
 * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
 * @return bool True if the comments are open.
 */
function comments_open( $post_id = null ) {

	$_post = get_post($post_id);

	$open = ( 'open' == $_post->comment_status );

	/**
	 * Filter whether the current post is open for comments.
	 *
	 * @since 2.5.0
	 *
	 * @param bool        $open    Whether the current post is open for comments.
	 * @param int|WP_Post $post_id The post ID or WP_Post object.
	 */
	return apply_filters( 'comments_open', $open, $post_id );
}

/**

* Whether the current post is open for comments.

* @since 1.5.0

* @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.

* @return bool True if the comments are open.

function comments_open( $post_id = null ) {

$_post = get_post($post_id);

$open = ( 'open' == $_post->comment_status );

/**

* Filter whether the current post is open for comments.

* @since 2.5.0

* @param bool $open Whether the current post is open for comments.

* @param int|WP_Post $post_id The post ID or WP_Post object.

return apply_filters( 'comments_open', $open, $post_id );

}

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WordPressを読む 46-2 /blog/wp-includes/comment-template.php 2

/blog/wp-includes/comment-template.php 2

WordPressを読む　46-2 /blog/wp-includes/comment-template.php 2