函数原型
is_attachment( int|string|int[]|string[] $attachment = ” ): bool
函数描述
Determines whether the query is for an existing attachment page.
是否弃用
未弃用
函数参数
-
$attachment
int|string|int[]|string[]
Optional - Attachment ID, title, slug, or array of such to check against.
Default:
''
函数返回值
bool Whether the query is for an existing attachment page.
函数位置
File: wp-includes/query.php.
函数源码
function is_attachment( $attachment = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
return false;
}
return $wp_query->is_attachment( $attachment );
}
源码链接
变更日志
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |
