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post_custom › WordPress Function

Since1.5.0
已弃用n/a
› post_custom ( $key = '' )
参数:
  • (string) $key Meta data key name.
    Required: No
    默认: (empty)
返回:
  • (array|string|false) Array of values, or single value if only one element exists. False if the key does not exist.
定义在:
文档:

Retrieves post custom meta data field.



Related Functions: get_post_custom, post_custom_meta_box, get_post_custom_keys, post_class, get_post_custom_values

源码 

function post_custom( $key = '' ) {
	$custom = get_post_custom();

	if ( ! isset( $custom[ $key ] ) ) {
		return false;
	} elseif ( 1 === count( $custom[ $key ] ) ) {
		return $custom[ $key ][0];
	} else {
		return $custom[ $key ];
	}
}