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get_post_custom_keys

Definition:
function get_post_custom_keys( $post_id = 0 ) {}

Retrieve meta field names for a post.
If there are no meta fields, then nothing (null) will be returned.

Parameters

  • int $post_id: post ID

Return values

returns:Either array of the keys, or null if keys could not be retrieved.

Source code

function get_post_custom_keys( $post_id = 0 ) {

	$custom = get_post_custom( $post_id );



	if ( !is_array($custom) )

		return;



	if ( $keys = array_keys($custom) )

		return $keys;

}

1587

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