Question

attachment_submitbox_metadata()

Displays non-editable attachment metadata in the publish meta box.

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description

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源代码

File: wp-admin/includes/media.php

function attachment_submitbox_metadata() {
	$post = get_post();

	$file = get_attached_file( $post->ID );
	$filename = esc_html( wp_basename( $file ) );

	$media_dims = '';
	$meta = wp_get_attachment_metadata( $post->ID );
	if ( isset( $meta['width'], $meta['height'] ) )
		$media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
	/** This filter is documented in wp-admin/includes/media.php */
	$media_dims = apply_filters( 'media_meta', $media_dims, $post );

	$att_url = wp_get_attachment_url( $post->ID );
?>
	<div class="misc-pub-section misc-pub-attachment">
		<label for="attachment_url"><?php _e( 'File URL:' ); ?></label>
		<input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
	</div>
	<div class="misc-pub-section misc-pub-filename">
		<?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
	</div>
	<div class="misc-pub-section misc-pub-filetype">
		<?php _e( 'File type:' ); ?> <strong><?php
			if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
				echo esc_html( strtoupper( $matches[1] ) );
				list( $mime_type ) = explode( '/', $post->post_mime_type );
				if ( $mime_type !== 'image' && ! empty( $meta['mime_type'] ) ) {
					if ( $meta['mime_type'] !== "$mime_type/" . strtolower( $matches[1] ) ) {
echo ' (' . $meta['mime_type'] . ')';
					}
				}
			} else {
				echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
			}
		?></strong>
	</div>

	<?php
		$file_size = false;

		if ( isset( $meta['filesize'] ) )
			$file_size = $meta['filesize'];
		elseif ( file_exists( $file ) )
			$file_size = filesize( $file );

		if ( ! empty( $file_size ) ) : ?>
			<div class="misc-pub-section misc-pub-filesize">
				<?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
			</div>
			<?php
		endif;

	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {

		/**
		 * Filters the audio and video metadata fields to be shown in the publish meta box.
		 *
		 * The key for each item in the array should correspond to an attachment
		 * metadata key, and the value should be the desired label.
		 *
		 * @since 3.7.0
		 *
		 * @param array $fields An array of the attachment metadata keys and labels.
		 */
		$fields = apply_filters( 'media_submitbox_misc_sections', array(
			'length_formatted' => __( 'Length:' ),
			'bitrate'          => __( 'Bitrate:' ),
		) );

		foreach ( $fields as $key => $label ) {
			if ( empty( $meta[ $key ] ) ) {
				continue;
			}
	?>
		<div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
			<?php echo $label ?> <strong><?php
				switch ( $key ) {
					case 'bitrate' :
echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
if ( ! empty( $meta['bitrate_mode'] ) ) {
echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
}
break;
					default:
echo esc_html( $meta[ $key ] );
break;
				}
			?></strong>
		</div>
	<?php
		}

		/**
		 * Filters the audio attachment metadata fields to be shown in the publish meta box.
		 *
		 * The key for each item in the array should correspond to an attachment
		 * metadata key, and the value should be the desired label.
		 *
		 * @since 3.7.0
		 *
		 * @param array $fields An array of the attachment metadata keys and labels.
		 */
		$audio_fields = apply_filters( 'audio_submitbox_misc_sections', array(
			'dataformat' => __( 'Audio Format:' ),
			'codec'      => __( 'Audio Codec:' )
		) );

		foreach ( $audio_fields as $key => $label ) {
			if ( empty( $meta['audio'][ $key ] ) ) {
				continue;
			}
	?>
		<div class="misc-pub-section misc-pub-audio misc-pub-<?php echo sanitize_html_class( $key ); ?>">
			<?php echo $label; ?> <strong><?php echo esc_html( $meta['audio'][$key] ); ?></strong>
		</div>
	<?php
		}

	}

	if ( $media_dims ) : ?>
	<div class="misc-pub-section misc-pub-dimensions">
		<?php _e( 'Dimensions:' ); ?> <strong><?php echo $media_dims; ?></strong>
	</div>
<?php
	endif;
}

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更新日志

Version	description
3.5.0	Introduced.

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相关函数

Uses

• wp-admin/includes/media.php: media_submitbox_misc_sections
• wp-admin/includes/media.php: audio_submitbox_misc_sections
• wp-admin/includes/media.php: media_meta
• wp-includes/l10n.php: _e()
• wp-includes/l10n.php: __()
• wp-includes/formatting.php: wp_basename()
• wp-includes/formatting.php: esc_html()
• wp-includes/formatting.php: esc_attr()
• wp-includes/formatting.php: sanitize_html_class()
• wp-includes/functions.php: size_format()
• wp-includes/plugin.php: apply_filters()
• wp-includes/post.php: wp_get_attachment_metadata()
• wp-includes/post.php: wp_get_attachment_url()
• wp-includes/post.php: get_post()
• wp-includes/post.php: get_attached_file()
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User Contributed Notes