描述:
更新一个附件(图片/文件)的信息
用法:
<?php wp_update_attachment_metadata( $post_id, $data ); ?>
参数:
$post_id
(integer) (必填) 附件ID.
默认值: None
$data
(array) (必填) 附件信息.
默认值: None
源文件:
function wp_update_attachment_metadata( $attachment_id, $data ) {
$attachment_id = (int) $attachment_id;
$post = get_post( $attachment_id );
if ( ! $post ) {
return false;
}
/**
* Filters the updated attachment meta data.
*
* @since 2.1.0
*
* @param array $data Array of updated attachment meta data.
* @param int $attachment_id Attachment post ID.
*/
$data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID );
if ( $data ) {
return update_post_meta( $post->ID, '_wp_attachment_metadata', $data );
} else {
return delete_post_meta( $post->ID, '_wp_attachment_metadata' );
}
}
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