WordPressを読む　65-5 /blog/wp-includes/media.php 5

2014/12/04 2015/03/09

1 /blog/wp-includes/media.php 5
2 関数　wp_maybe_load_embeds()
3 関数　wp_embed_handler_googlevideo()
4 関数　wp_embed_handler_youtube()
5 関数　wp_embed_handler_audio()
6 関数　wp_embed_handler_video()
7 関数　wp_convert_hr_to_bytes()
8 関数　wp_max_upload_size()
9 関数　wp_get_image_editor()
10 関数　wp_image_editor_supports()
11 関数　_wp_image_editor_choose()
12 関数　wp_plupload_default_settings()
13 関数　wp_prepare_attachment_for_js()

/blog/wp-includes/media.php 5

関数　wp_maybe_load_embeds()

/**
 * Determines if default embed handlers should be loaded.
 *
 * Checks to make sure that the embeds library hasn't already been loaded. If
 * it hasn't, then it will load the embeds library.
 *
 * @since 2.9.0
 */
function wp_maybe_load_embeds() {
	/**
	 * Filter whether to load the default embed handlers.
	 *
	 * Returning a falsey value will prevent loading the default embed handlers.
	 *
	 * @since 2.9.0
	 *
	 * @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
	 */
	if ( ! apply_filters( 'load_default_embeds', true ) ) {
		return;
	}

	wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/embed/([^/]+)#i', 'wp_embed_handler_youtube' );

	wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );

	/**
	 * Filter the audio embed handler callback.
	 *
	 * @since 3.6.0
	 *
	 * @param callback $handler Audio embed handler callback function.
	 */
	wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );

	/**
	 * Filter the video embed handler callback.
	 *
	 * @since 3.6.0
	 *
	 * @param callback $handler Video embed handler callback function.
	 */
	wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
}

/**

* Determines if default embed handlers should be loaded.

* Checks to make sure that the embeds library hasn't already been loaded. If

* it hasn't, then it will load the embeds library.

* @since 2.9.0

function wp_maybe_load_embeds() {

/**

* Filter whether to load the default embed handlers.

* Returning a falsey value will prevent loading the default embed handlers.

* @since 2.9.0

* @param bool $maybe_load_embeds Whether to load the embeds library. Default true.

if ( ! apply_filters( 'load_default_embeds', true ) ) {

return;

}

wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/embed/([^/]+)#i', 'wp_embed_handler_youtube' );

wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );

/**

* Filter the audio embed handler callback.

* @since 3.6.0

* @param callback $handler Audio embed handler callback function.

wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );

/**

* Filter the video embed handler callback.

* @since 3.6.0

* @param callback $handler Video embed handler callback function.

wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );

}

関数　wp_embed_handler_googlevideo()

/**
 * The Google Video embed handler callback. Google Video does not support oEmbed.
 *
 * @see WP_Embed::register_handler()
 * @see WP_Embed::shortcode()
 *
 * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
 * @param array $attr Embed attributes.
 * @param string $url The original URL that was matched by the regex.
 * @param array $rawattr The original unmodified attributes.
 * @return string The embed HTML.
 */
function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
	// If the user supplied a fixed width AND height, use it
	if ( !empty($rawattr['width']) && !empty($rawattr['height']) ) {
		$width  = (int) $rawattr['width'];
		$height = (int) $rawattr['height'];
	} else {
		list( $width, $height ) = wp_expand_dimensions( 425, 344, $attr['width'], $attr['height'] );
	}

	/**
	 * Filter the Google Video embed output.
	 *
	 * @since 2.9.0
	 *
	 * @param string $html    Google Video HTML embed markup.
	 * @param array  $matches The regex matches from the provided regex.
	 * @param array  $attr    An array of embed attributes.
	 * @param string $url     The original URL that was matched by the regex.
	 * @param array  $rawattr The original unmodified attributes.
	 */
	return apply_filters( 'embed_googlevideo', '<embed type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docid=' . esc_attr($matches[2]) . '&amp;hl=en&amp;fs=true" style="width:' . esc_attr($width) . 'px;height:' . esc_attr($height) . 'px" allowFullScreen="true" allowScriptAccess="always" />', $matches, $attr, $url, $rawattr );
}

/**

* The Google Video embed handler callback. Google Video does not support oEmbed.

* @see WP_Embed::register_handler()

* @see WP_Embed::shortcode()

* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.

* @param array $attr Embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

* @return string The embed HTML.

function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {

// If the user supplied a fixed width AND height, use it

if ( !empty($rawattr['width']) && !empty($rawattr['height']) ) {

$width = (int) $rawattr['width'];

$height = (int) $rawattr['height'];

} else {

list( $width, $height ) = wp_expand_dimensions( 425, 344, $attr['width'], $attr['height'] );

}

/**

* Filter the Google Video embed output.

* @since 2.9.0

* @param string $html Google Video HTML embed markup.

* @param array $matches The regex matches from the provided regex.

* @param array $attr An array of embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

return apply_filters( 'embed_googlevideo', '<embed type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docid=' . esc_attr($matches[2]) . '&hl=en&fs=true" style="width:' . esc_attr($width) . 'px;height:' . esc_attr($height) . 'px" allowFullScreen="true" allowScriptAccess="always" />', $matches, $attr, $url, $rawattr );

}

関数　wp_embed_handler_youtube()

/**
 * YouTube embed handler callback.
 *
 * Catches URLs that can be parsed but aren't supported by oEmbed.
 *
 * @since 4.0.0
 *
 * @param array  $matches The regex matches from the provided regex when calling
 *                        {@see wp_embed_register_handler()}.
 * @param array  $attr    Embed attributes.
 * @param string $url     The original URL that was matched by the regex.
 * @param array  $rawattr The original unmodified attributes.
 * @return string The embed HTML.
 */
function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
	global $wp_embed;
	$embed = $wp_embed->autoembed( "https://youtube.com/watch?v={$matches[2]}" );
	/**
	 * Filter the YoutTube embed output.
	 *
	 * @since 4.0.0
	 *
	 * @see wp_embed_handler_youtube()
	 *
	 * @param string $embed   YouTube embed output.
	 * @param array  $attr    An array of embed attributes.
	 * @param string $url     The original URL that was matched by the regex.
	 * @param array  $rawattr The original unmodified attributes.
	 */
	return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );
}

/**

* YouTube embed handler callback.

* Catches URLs that can be parsed but aren't supported by oEmbed.

* @since 4.0.0

* @param array $matches The regex matches from the provided regex when calling

* {@see wp_embed_register_handler()}.

* @param array $attr Embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

* @return string The embed HTML.

function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {

global $wp_embed;

$embed = $wp_embed->autoembed( "https://youtube.com/watch?v={$matches[2]}" );

/**

* Filter the YoutTube embed output.

* @since 4.0.0

* @see wp_embed_handler_youtube()

* @param string $embed YouTube embed output.

* @param array $attr An array of embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );

}

関数　wp_embed_handler_audio()

/**
 * Audio embed handler callback.
 *
 * @since 3.6.0
 *
 * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
 * @param array $attr Embed attributes.
 * @param string $url The original URL that was matched by the regex.
 * @param array $rawattr The original unmodified attributes.
 * @return string The embed HTML.
 */
function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
	$audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );

	/**
	 * Filter the audio embed output.
	 *
	 * @since 3.6.0
	 *
	 * @param string $audio   Audio embed output.
	 * @param array  $attr    An array of embed attributes.
	 * @param string $url     The original URL that was matched by the regex.
	 * @param array  $rawattr The original unmodified attributes.
	 */
	return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
}

/**

* Audio embed handler callback.

* @since 3.6.0

* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.

* @param array $attr Embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

* @return string The embed HTML.

function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {

$audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );

/**

* Filter the audio embed output.

* @since 3.6.0

* @param string $audio Audio embed output.

* @param array $attr An array of embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );

}

関数　wp_embed_handler_video()

/**
 * Video embed handler callback.
 *
 * @since 3.6.0
 *
 * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
 * @param array $attr Embed attributes.
 * @param string $url The original URL that was matched by the regex.
 * @param array $rawattr The original unmodified attributes.
 * @return string The embed HTML.
 */
function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
	$dimensions = '';
	if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
		$dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
		$dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
	}
	$video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );

	/**
	 * Filter the video embed output.
	 *
	 * @since 3.6.0
	 *
	 * @param string $video   Video embed output.
	 * @param array  $attr    An array of embed attributes.
	 * @param string $url     The original URL that was matched by the regex.
	 * @param array  $rawattr The original unmodified attributes.
	 */
	return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
}

/**

* Video embed handler callback.

* @since 3.6.0

* @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.

* @param array $attr Embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

* @return string The embed HTML.

function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {

$dimensions = '';

if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {

$dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );

$dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );

}

$video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );

/**

* Filter the video embed output.

* @since 3.6.0

* @param string $video Video embed output.

* @param array $attr An array of embed attributes.

* @param string $url The original URL that was matched by the regex.

* @param array $rawattr The original unmodified attributes.

return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );

}

関数　wp_convert_hr_to_bytes()

/**
 * Converts a shorthand byte value to an integer byte value.
 *
 * @since 2.3.0
 *
 * @param string $size A shorthand byte value.
 * @return int An integer byte value.
 */
function wp_convert_hr_to_bytes( $size ) {
	$size  = strtolower( $size );
	$bytes = (int) $size;
	if ( strpos( $size, 'k' ) !== false )
		$bytes = intval( $size ) * 1024;
	elseif ( strpos( $size, 'm' ) !== false )
		$bytes = intval($size) * 1024 * 1024;
	elseif ( strpos( $size, 'g' ) !== false )
		$bytes = intval( $size ) * 1024 * 1024 * 1024;
	return $bytes;
}

/**

* Converts a shorthand byte value to an integer byte value.

* @since 2.3.0

* @param string $size A shorthand byte value.

* @return int An integer byte value.

function wp_convert_hr_to_bytes( $size ) {

$size = strtolower( $size );

$bytes = (int) $size;

if ( strpos( $size, 'k' ) !== false )

$bytes = intval( $size ) * 1024;

elseif ( strpos( $size, 'm' ) !== false )

$bytes = intval($size) * 1024 * 1024;

elseif ( strpos( $size, 'g' ) !== false )

$bytes = intval( $size ) * 1024 * 1024 * 1024;

return $bytes;

}

関数　wp_max_upload_size()

/**
 * Determine the maximum upload size allowed in php.ini.
 *
 * @since 2.5.0
 *
 * @return int Allowed upload size.
 */
function wp_max_upload_size() {
	$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
	$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );

	/**
	 * Filter the maximum upload size allowed in php.ini.
	 *
	 * @since 2.5.0
	 *
	 * @param int $size    Max upload size limit in bytes.
	 * @param int $u_bytes Maximum upload filesize in bytes.
	 * @param int $p_bytes Maximum size of POST data in bytes.
	 */
	return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
}

/**

* Determine the maximum upload size allowed in php.ini.

* @since 2.5.0

* @return int Allowed upload size.

function wp_max_upload_size() {

$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );

$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );

/**

* Filter the maximum upload size allowed in php.ini.

* @since 2.5.0

* @param int $size Max upload size limit in bytes.

* @param int $u_bytes Maximum upload filesize in bytes.

* @param int $p_bytes Maximum size of POST data in bytes.

return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );

}

関数　wp_get_image_editor()

/**
 * Returns a WP_Image_Editor instance and loads file into it.
 *
 * @since 3.5.0
 * @access public
 *
 * @param string $path Path to file to load
 * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
 * @return WP_Image_Editor|WP_Error
 */
function wp_get_image_editor( $path, $args = array() ) {
	$args['path'] = $path;

	if ( ! isset( $args['mime_type'] ) ) {
		$file_info = wp_check_filetype( $args['path'] );

		// If $file_info['type'] is false, then we let the editor attempt to
		// figure out the file type, rather than forcing a failure based on extension.
		if ( isset( $file_info ) && $file_info['type'] )
			$args['mime_type'] = $file_info['type'];
	}

	$implementation = _wp_image_editor_choose( $args );

	if ( $implementation ) {
		$editor = new $implementation( $path );
		$loaded = $editor->load();

		if ( is_wp_error( $loaded ) )
			return $loaded;

		return $editor;
	}

	return new WP_Error( 'image_no_editor', __('No editor could be selected.') );
}

/**

* Returns a WP_Image_Editor instance and loads file into it.

* @since 3.5.0

* @access public

* @param string $path Path to file to load

* @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }

* @return WP_Image_Editor|WP_Error

function wp_get_image_editor( $path, $args = array() ) {

$args['path'] = $path;

if ( ! isset( $args['mime_type'] ) ) {

$file_info = wp_check_filetype( $args['path'] );

// If $file_info['type'] is false, then we let the editor attempt to

// figure out the file type, rather than forcing a failure based on extension.

if ( isset( $file_info ) && $file_info['type'] )

$args['mime_type'] = $file_info['type'];

}

$implementation = _wp_image_editor_choose( $args );

if ( $implementation ) {

$editor = new $implementation( $path );

$loaded = $editor->load();

if ( is_wp_error( $loaded ) )

return $loaded;

return $editor;

}

return new WP_Error( 'image_no_editor', __('No editor could be selected.') );

}

関数　wp_image_editor_supports()

/**
 * Tests whether there is an editor that supports a given mime type or methods.
 *
 * @since 3.5.0
 * @access public
 *
 * @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
 * @return boolean true if an eligible editor is found; false otherwise
 */
function wp_image_editor_supports( $args = array() ) {
	return (bool) _wp_image_editor_choose( $args );
}

/**

* Tests whether there is an editor that supports a given mime type or methods.

* @since 3.5.0

* @access public

* @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }

* @return boolean true if an eligible editor is found; false otherwise

function wp_image_editor_supports( $args = array() ) {

return (bool) _wp_image_editor_choose( $args );

}

関数　_wp_image_editor_choose()

/**
 * Tests which editors are capable of supporting the request.
 *
 * @since 3.5.0
 * @access private
 *
 * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
 * @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.
 */
function _wp_image_editor_choose( $args = array() ) {
	require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
	require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
	require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';

	/**
	 * Filter the list of image editing library classes.
	 *
	 * @since 3.5.0
	 *
	 * @param array $image_editors List of available image editors. Defaults are
	 *                             'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
	 */
	$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );

	foreach ( $implementations as $implementation ) {
		if ( ! call_user_func( array( $implementation, 'test' ), $args ) )
			continue;

		if ( isset( $args['mime_type'] ) &&
			! call_user_func(
				array( $implementation, 'supports_mime_type' ),
				$args['mime_type'] ) ) {
			continue;
		}

		if ( isset( $args['methods'] ) &&
			 array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
			continue;
		}

		return $implementation;
	}

	return false;
}

/**

* Tests which editors are capable of supporting the request.

* @since 3.5.0

* @access private

* @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }

* @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.

function _wp_image_editor_choose( $args = array() ) {

require_once ABSPATH . WPINC . '/class-wp-image-editor.php';

require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';

require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';

/**

* Filter the list of image editing library classes.

* @since 3.5.0

* @param array $image_editors List of available image editors. Defaults are

* 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.

$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );

foreach ( $implementations as $implementation ) {

if ( ! call_user_func( array( $implementation, 'test' ), $args ) )

continue;

if ( isset( $args['mime_type'] ) &&

! call_user_func(

array( $implementation, 'supports_mime_type' ),

$args['mime_type'] ) ) {

continue;

}

if ( isset( $args['methods'] ) &&

array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {

continue;

}

return $implementation;

}

return false;

}

関数　wp_plupload_default_settings()

/**
 * Prints default plupload arguments.
 *
 * @since 3.4.0
 */
function wp_plupload_default_settings() {
	global $wp_scripts;

	$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
	if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
		return;

	$max_upload_size = wp_max_upload_size();

	$defaults = array(
		'runtimes'            => 'html5,flash,silverlight,html4',
		'file_data_name'      => 'async-upload', // key passed to $_FILE.
		'url'                 => admin_url( 'async-upload.php', 'relative' ),
		'flash_swf_url'       => includes_url( 'js/plupload/plupload.flash.swf' ),
		'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
		'filters' => array(
			'max_file_size'   => $max_upload_size . 'b',
		),
	);

	/**
	 * Filter the Plupload default settings.
	 *
	 * @since 3.4.0
	 *
	 * @param array $defaults Default Plupload settings array.
	 */
	$defaults = apply_filters( 'plupload_default_settings', $defaults );

	$params = array(
		'action' => 'upload-attachment',
	);

	/**
	 * Filter the Plupload default parameters.
	 *
	 * @since 3.4.0
	 *
	 * @param array $params Default Plupload parameters array.
	 */
	$params = apply_filters( 'plupload_default_params', $params );
	$params['_wpnonce'] = wp_create_nonce( 'media-form' );
	$defaults['multipart_params'] = $params;

	$settings = array(
		'defaults' => $defaults,
		'browser'  => array(
			'mobile'    => wp_is_mobile(),
			'supported' => _device_can_upload(),
		),
		'limitExceeded' => is_multisite() && ! is_upload_space_available()
	);

	$script = 'var _wpPluploadSettings = ' . json_encode( $settings ) . ';';

	if ( $data )
		$script = "$data\n$script";

	$wp_scripts->add_data( 'wp-plupload', 'data', $script );
}
add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );

/**

* Prints default plupload arguments.

* @since 3.4.0

function wp_plupload_default_settings() {

global $wp_scripts;

$data = $wp_scripts->get_data( 'wp-plupload', 'data' );

if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )

return;

$max_upload_size = wp_max_upload_size();

$defaults = array(

'runtimes' => 'html5,flash,silverlight,html4',

'file_data_name' => 'async-upload', // key passed to $_FILE.

'url' => admin_url( 'async-upload.php', 'relative' ),

'flash_swf_url' => includes_url( 'js/plupload/plupload.flash.swf' ),

'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),

'filters' => array(

'max_file_size' => $max_upload_size . 'b',

);

/**

* Filter the Plupload default settings.

* @since 3.4.0

* @param array $defaults Default Plupload settings array.

$defaults = apply_filters( 'plupload_default_settings', $defaults );

$params = array(

'action' => 'upload-attachment',

);

/**

* Filter the Plupload default parameters.

* @since 3.4.0

* @param array $params Default Plupload parameters array.

$params = apply_filters( 'plupload_default_params', $params );

$params['_wpnonce'] = wp_create_nonce( 'media-form' );

$defaults['multipart_params'] = $params;

$settings = array(

'defaults' => $defaults,

'browser' => array(

'mobile' => wp_is_mobile(),

'supported' => _device_can_upload(),

'limitExceeded' => is_multisite() && ! is_upload_space_available()

);

$script = 'var _wpPluploadSettings = ' . json_encode( $settings ) . ';';

if ( $data )

$script = "$data\n$script";

$wp_scripts->add_data( 'wp-plupload', 'data', $script );

}

add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );

関数　wp_prepare_attachment_for_js()

/**
 * Prepares an attachment post object for JS, where it is expected
 * to be JSON-encoded and fit into an Attachment model.
 *
 * @since 3.5.0
 *
 * @param mixed $attachment Attachment ID or object.
 * @return array Array of attachment details.
 */
function wp_prepare_attachment_for_js( $attachment ) {
	if ( ! $attachment = get_post( $attachment ) )
		return;

	if ( 'attachment' != $attachment->post_type )
		return;

	$meta = wp_get_attachment_metadata( $attachment->ID );
	if ( false !== strpos( $attachment->post_mime_type, '/' ) )
		list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
	else
		list( $type, $subtype ) = array( $attachment->post_mime_type, '' );

	$attachment_url = wp_get_attachment_url( $attachment->ID );

	$response = array(
		'id'          => $attachment->ID,
		'title'       => $attachment->post_title,
		'filename'    => wp_basename( $attachment->guid ),
		'url'         => $attachment_url,
		'link'        => get_attachment_link( $attachment->ID ),
		'alt'         => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
		'author'      => $attachment->post_author,
		'description' => $attachment->post_content,
		'caption'     => $attachment->post_excerpt,
		'name'        => $attachment->post_name,
		'status'      => $attachment->post_status,
		'uploadedTo'  => $attachment->post_parent,
		'date'        => strtotime( $attachment->post_date_gmt ) * 1000,
		'modified'    => strtotime( $attachment->post_modified_gmt ) * 1000,
		'menuOrder'   => $attachment->menu_order,
		'mime'        => $attachment->post_mime_type,
		'type'        => $type,
		'subtype'     => $subtype,
		'icon'        => wp_mime_type_icon( $attachment->ID ),
		'dateFormatted' => mysql2date( get_option('date_format'), $attachment->post_date ),
		'nonces'      => array(
			'update' => false,
			'delete' => false,
			'edit'   => false
		),
		'editLink'   => false,
		'meta'       => false,
	);

	$author = new WP_User( $attachment->post_author );
	$response['authorName'] = $author->display_name;

	if ( $attachment->post_parent ) {
		$post_parent = get_post( $attachment->post_parent );
		$parent_type = get_post_type_object( $post_parent->post_type );
		if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {
			$response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );
		}
		$response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
	}

	$attached_file = get_attached_file( $attachment->ID );
	if ( file_exists( $attached_file ) ) {
		$bytes = filesize( $attached_file );
		$response['filesizeInBytes'] = $bytes;
		$response['filesizeHumanReadable'] = size_format( $bytes );
	}

	if ( current_user_can( 'edit_post', $attachment->ID ) ) {
		$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
		$response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID );
		$response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );
	}

	if ( current_user_can( 'delete_post', $attachment->ID ) )
		$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );

	if ( $meta && 'image' === $type ) {
		$sizes = array();

		/** This filter is documented in wp-admin/includes/media.php */
		$possible_sizes = apply_filters( 'image_size_names_choose', array(
			'thumbnail' => __('Thumbnail'),
			'medium'    => __('Medium'),
			'large'     => __('Large'),
			'full'      => __('Full Size'),
		) );
		unset( $possible_sizes['full'] );

		// Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
		// First: run the image_downsize filter. If it returns something, we can use its data.
		// If the filter does not return something, then image_downsize() is just an expensive
		// way to check the image metadata, which we do second.
		foreach ( $possible_sizes as $size => $label ) {

			/** This filter is documented in wp-includes/media.php */
			if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
				if ( ! $downsize[3] )
					continue;
				$sizes[ $size ] = array(
					'height'      => $downsize[2],
					'width'       => $downsize[1],
					'url'         => $downsize[0],
					'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
				);
			} elseif ( isset( $meta['sizes'][ $size ] ) ) {
				if ( ! isset( $base_url ) )
					$base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );

				// Nothing from the filter, so consult image metadata if we have it.
				$size_meta = $meta['sizes'][ $size ];

				// We have the actual image size, but might need to further constrain it if content_width is narrower.
				// Thumbnail, medium, and full sizes are also checked against the site's height/width options.
				list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );

				$sizes[ $size ] = array(
					'height'      => $height,
					'width'       => $width,
					'url'         => $base_url . $size_meta['file'],
					'orientation' => $height > $width ? 'portrait' : 'landscape',
				);
			}
		}

		$sizes['full'] = array( 'url' => $attachment_url );

		if ( isset( $meta['height'], $meta['width'] ) ) {
			$sizes['full']['height'] = $meta['height'];
			$sizes['full']['width'] = $meta['width'];
			$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
		}

		$response = array_merge( $response, array( 'sizes' => $sizes ), $sizes['full'] );
	} elseif ( $meta && 'video' === $type ) {
		if ( isset( $meta['width'] ) )
			$response['width'] = (int) $meta['width'];
		if ( isset( $meta['height'] ) )
			$response['height'] = (int) $meta['height'];
	}

	if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
		if ( isset( $meta['length_formatted'] ) )
			$response['fileLength'] = $meta['length_formatted'];

		$response['meta'] = array();
		foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
			$response['meta'][ $key ] = false;

			if ( ! empty( $meta[ $key ] ) ) {
				$response['meta'][ $key ] = $meta[ $key ];
			}
		}

		$id = get_post_thumbnail_id( $attachment->ID );
		if ( ! empty( $id ) ) {
			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
			$response['image'] = compact( 'src', 'width', 'height' );
			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
			$response['thumb'] = compact( 'src', 'width', 'height' );
		} else {
			$src = wp_mime_type_icon( $attachment->ID );
			$width = 48;
			$height = 64;
			$response['image'] = compact( 'src', 'width', 'height' );
			$response['thumb'] = compact( 'src', 'width', 'height' );
		}
	}

	if ( function_exists('get_compat_media_markup') )
		$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );

	/**
	 * Filter the attachment data prepared for JavaScript.
	 *
	 * @since 3.5.0
	 *
	 * @param array      $response   Array of prepared attachment data.
	 * @param int|object $attachment Attachment ID or object.
	 * @param array      $meta       Array of attachment meta data.
	 */
	return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
}

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/**

* Prepares an attachment post object for JS, where it is expected

* to be JSON-encoded and fit into an Attachment model.

* @since 3.5.0

* @param mixed $attachment Attachment ID or object.

* @return array Array of attachment details.

function wp_prepare_attachment_for_js( $attachment ) {

if ( ! $attachment = get_post( $attachment ) )

return;

if ( 'attachment' != $attachment->post_type )

return;

$meta = wp_get_attachment_metadata( $attachment->ID );

if ( false !== strpos( $attachment->post_mime_type, '/' ) )

list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );

else

list( $type, $subtype ) = array( $attachment->post_mime_type, '' );

$attachment_url = wp_get_attachment_url( $attachment->ID );

$response = array(

'id' => $attachment->ID,

'title' => $attachment->post_title,

'filename' => wp_basename( $attachment->guid ),

'url' => $attachment_url,

'link' => get_attachment_link( $attachment->ID ),

'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),

'author' => $attachment->post_author,

'description' => $attachment->post_content,

'caption' => $attachment->post_excerpt,

'name' => $attachment->post_name,

'status' => $attachment->post_status,

'uploadedTo' => $attachment->post_parent,

'date' => strtotime( $attachment->post_date_gmt ) * 1000,

'modified' => strtotime( $attachment->post_modified_gmt ) * 1000,

'menuOrder' => $attachment->menu_order,

'mime' => $attachment->post_mime_type,

'type' => $type,

'subtype' => $subtype,

'icon' => wp_mime_type_icon( $attachment->ID ),

'dateFormatted' => mysql2date( get_option('date_format'), $attachment->post_date ),

'nonces' => array(

'update' => false,

'delete' => false,

'edit' => false

'editLink' => false,

'meta' => false,

);

$author = new WP_User( $attachment->post_author );

$response['authorName'] = $author->display_name;

if ( $attachment->post_parent ) {

$post_parent = get_post( $attachment->post_parent );

$parent_type = get_post_type_object( $post_parent->post_type );

if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {

$response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );

}

$response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );

}

$attached_file = get_attached_file( $attachment->ID );

if ( file_exists( $attached_file ) ) {

$bytes = filesize( $attached_file );

$response['filesizeInBytes'] = $bytes;

$response['filesizeHumanReadable'] = size_format( $bytes );

}

if ( current_user_can( 'edit_post', $attachment->ID ) ) {

$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );

$response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID );

$response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );

}

if ( current_user_can( 'delete_post', $attachment->ID ) )

$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );

if ( $meta && 'image' === $type ) {

$sizes = array();

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

$possible_sizes = apply_filters( 'image_size_names_choose', array(

'thumbnail' => __('Thumbnail'),

'medium' => __('Medium'),

'large' => __('Large'),

'full' => __('Full Size'),

) );

unset( $possible_sizes['full'] );

// Loop through all potential sizes that may be chosen. Try to do this with some efficiency.

// First: run the image_downsize filter. If it returns something, we can use its data.

// If the filter does not return something, then image_downsize() is just an expensive

// way to check the image metadata, which we do second.

foreach ( $possible_sizes as $size => $label ) {

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

if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {

if ( ! $downsize[3] )

continue;

$sizes[ $size ] = array(

'height' => $downsize[2],

'width' => $downsize[1],

'url' => $downsize[0],

'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',

);

} elseif ( isset( $meta['sizes'][ $size ] ) ) {

if ( ! isset( $base_url ) )

$base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );

// Nothing from the filter, so consult image metadata if we have it.

$size_meta = $meta['sizes'][ $size ];

// We have the actual image size, but might need to further constrain it if content_width is narrower.

// Thumbnail, medium, and full sizes are also checked against the site's height/width options.

list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );

$sizes[ $size ] = array(

'height' => $height,

'width' => $width,

'url' => $base_url . $size_meta['file'],

'orientation' => $height > $width ? 'portrait' : 'landscape',

);

}

$sizes['full'] = array( 'url' => $attachment_url );

if ( isset( $meta['height'], $meta['width'] ) ) {

$sizes['full']['height'] = $meta['height'];

$sizes['full']['width'] = $meta['width'];

$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';

}

$response = array_merge( $response, array( 'sizes' => $sizes ), $sizes['full'] );

} elseif ( $meta && 'video' === $type ) {

if ( isset( $meta['width'] ) )

$response['width'] = (int) $meta['width'];

if ( isset( $meta['height'] ) )

$response['height'] = (int) $meta['height'];

}

if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {

if ( isset( $meta['length_formatted'] ) )

$response['fileLength'] = $meta['length_formatted'];

$response['meta'] = array();

foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {

$response['meta'][ $key ] = false;

if ( ! empty( $meta[ $key ] ) ) {

$response['meta'][ $key ] = $meta[ $key ];

}

$id = get_post_thumbnail_id( $attachment->ID );

if ( ! empty( $id ) ) {

list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );

$response['image'] = compact( 'src', 'width', 'height' );

list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );

$response['thumb'] = compact( 'src', 'width', 'height' );

} else {

$src = wp_mime_type_icon( $attachment->ID );

$width = 48;

$height = 64;

$response['image'] = compact( 'src', 'width', 'height' );

$response['thumb'] = compact( 'src', 'width', 'height' );

}

if ( function_exists('get_compat_media_markup') )

$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );

/**

* Filter the attachment data prepared for JavaScript.

* @since 3.5.0

* @param array $response Array of prepared attachment data.

* @param int|object $attachment Attachment ID or object.

* @param array $meta Array of attachment meta data.

return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );

}

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WordPressを読む 65-5 /blog/wp-includes/media.php 5

/blog/wp-includes/media.php 5

WordPressを読む　65-5 /blog/wp-includes/media.php 5