post_custom

函数


post_custom ( $key = '' )
参数
  • (string)
    $key
    Meta data key name.
    Required:
    Default: (empty)
返回值
  • (array|string|false) Array of values, or single value if only one element exists. False if the key does not exist.
定义位置
  • wp-includes/post-template.php
    , line 1091
引入
1.5.0
弃用

Retrieves post custom meta data field.

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 ];
	}
}