post_custom
函数
post_custom ( $key = '' )
- 参数
-
-
(string)
$key
Meta data key name.- Required: 否
- Default: (empty)
-
(string)
- 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
-
wp-includes/post-template.php
- 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 ]; } }
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