WordPress开发函数attachment_submitbox_metadata()，在“发布元框”中显示不可编辑的附件元数据。
用法：
attachment_submitbox_metadata()
来源：
文件: wp-admin/includes/media.php
function attachment_submitbox_metadata() {
$post = get_post();
$attachment_id = $post->ID;
$file = get_attached_file( $attachment_id );
$filen**e = esc_html( wp_basen**e( $file ) );
$media_dims = ”;
$meta = wp_get_attachment_metadata( $attachment_id );
if ( isset( $meta[‘width’], $meta[‘height’] ) ) {
$media_dims .= “<span id=’media-dims-$attachment_id’>{$meta[‘width’]}&**p;nbsp;&**p;times;&**p;nbsp;{$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( $attachment_id );
$author = new WP_User( $post->post_author );
$uploaded_by_n**e = __( ‘(no author)’ );
$uploaded_by_link = ”;
if ( $author->exists() ) {
$uploaded_by_n**e = $author->display_n**e ? $author->display_n**e : $author->nickn**e;
$uploaded_by_link = get_edit_user_link( $author->ID );
}
?>
<div class=”misc-pub-section misc-pub-uploadedby”>
<?php if ( $uploaded_by_link ) { ?>
<?php _e( ‘Uploaded by:’ ); ?> <a href=”https://www.wpzt.net/<?php echo $uploaded_by_link; ?>”><strong><?php echo $uploaded_by_n**e; ?></strong></a>
<?php } else { ?>
<?php _e( ‘Uploaded by:’ ); ?> <strong><?php echo $uploaded_by_n**e; ?></strong>
<?php } ?>
</div>
<?php
if ( $post->post_parent ) {
$post_parent = get_post( $post->post_parent );
if ( $post_parent ) {
$uploaded_to_title = $post_parent->post_title ? $post_parent->post_title : __( ‘(no title)’ );
$uploaded_to_link = get_edit_post_link( $post->post_parent, ‘raw’ );
?>
<div class=”misc-pub-section misc-pub-uploadedto”>
<?php if ( $uploaded_to_link ) { ?>
<?php _e( ‘Uploaded to:’ ); ?> <a href=”https://www.wpzt.net/<?php echo $uploaded_to_link; ?>”><strong><?php echo $uploaded_to_title; ?></strong></a>
<?php } else { ?>
<?php _e( ‘Uploaded to:’ ); ?> <strong><?php echo $uploaded_to_title; ?></strong>
<?php } ?>
</div>
<?php
}
}
?>
<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” n**e=”attachment_url” id=”attachment_url” value=”<?php echo esc_attr( $att_url ); ?>” />
<span class=”copy-to-clipboard-container”>
<button type=”button” class=”button copy-attachment-url edit-media” data-clipboard-target=”#attachment_url”><?php _e( ‘Copy URL to clipboard’ ); ?></button>
<span class=”success hidden” aria-hidden=”true”><?php _e( ‘Copied!’ ); ?></span>
</span>
</div>
<div class=”misc-pub-section misc-pub-filen**e”>
<?php _e( ‘File n**e:’ ); ?> <strong><?php echo $filen**e; ?></strong>
</div>
<div class=”misc-pub-section misc-pub-filetype”>
<?php _e( ‘File type:’ ); ?>
<strong>
<?php
if ( preg_**tch( ‘/^.*?\.(\w+)$/’, get_attached_file( $post->ID ), $**tches ) ) {
echo esc_html( strtoupper( $**tches[1] ) );
list( $mime_type ) = e**lode( ‘/’, $post->post_mime_type );
if ( ‘i**ge’ !== $mime_type &**p;&**p; ! empty( $meta[‘mime_type’] ) ) {
if ( “$mime_type/” . strtolower( $**tches[1] ) !== $meta[‘mime_type’] ) {
echo ‘ (‘ . $meta[‘mime_type’] . ‘)’;
}
}
} else {
echo strtoupper( str_replace( ‘i**ge/’, ”, $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_for**t( $file_size ); ?></strong>
</div>
<?php
}
if ( preg_**tch( ‘#^(audio|video)/#’, $post->post_mime_type ) ) {
$fields = array(
‘length_for**tted’ => __( ‘Length:’ ),
‘bitrate’ => __( ‘Bitrate:’ ),
);
/**
* Filters the audio and video metadata fields to be shown in the publish meta box.
*
* The key for each item in the array should correspond to an attachment
* metadata key, and the value should be the desired label.
*
* @since 3.7.0
* @since 4.9.0 Added the `$post` par**eter.
*
* @par** array $fields An array of the attachment metadata keys and labels.
* @par** WP_Post $post WP_Post object for the current attachment.
*/
$fields = apply_filters( ‘media_submitbox_misc_sections’, $fields, $post );
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
}
$fields = array(
‘datafor**t’ => __( ‘Audio For**t:’ ),
‘codec’ => __( ‘Audio Codec:’ ),
);
/**
* Filters the audio attachment metadata fields to be shown in the publish meta box.
*
* The key for each item in the array should correspond to an attachment
* metadata key, and the value should be the desired label.
*
* @since 3.7.0
* @since 4.9.0 Added the `$post` par**eter.
*
* @par** array $fields An array of the attachment metadata keys and labels.
* @par** WP_Post $post WP_Post object for the current attachment.
*/
$audio_fields = apply_filters( ‘audio_submitbox_misc_sections’, $fields, $post );
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
}
if ( ! empty( $meta[‘original_i**ge’] ) ) {
?>
<div class=”misc-pub-section misc-pub-original-i**ge”>
<?php _e( ‘Original i**ge:’ ); ?>
<a href=”https://www.wpzt.net/<?php echo esc_url( wp_get_original_i**ge_url( $attachment_id ) ); ?>”>
<?php echo esc_html( wp_basen**e( wp_get_original_i**ge_path( $attachment_id ) ) ); ?>
</a>
</div>
<?php
}
}
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