delete_post_meta

函数



      delete_post_meta ( $post_id, $meta_key, $meta_value = '' )

参数

(int)
$post_id
Post ID.
Required: 是
(string)
$meta_key
Metadata name.
Required: 是
(mixed)
$meta_value
Optional. Metadata value. If provided, rows will only be removed that match the value. Must be serializable if non-scalar. Default empty.
Required: 否

Default: (empty)

返回值

(bool) True on success, false on failure.

定义位置

wp-includes/post.php
, line 2464

引入: 1.5.0

弃用: –

Deletes a post meta field for the given post ID.

You can match based on the key, or key and value. Removing based on key and
value, will keep from removing duplicate metadata with the same key. It also
allows removing all metadata matching the key, if needed.

function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) {
	// Make sure meta is deleted from the post, not from a revision.
	$the_post = wp_is_post_revision( $post_id );
	if ( $the_post ) {
		$post_id = $the_post;
	}

	return delete_metadata( 'post', $post_id, $meta_key, $meta_value );
}

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