WordPress开发手册:map_deep()

函数原型

map_deep( mixed $value, callable $callback ): mixed

函数描述

是否弃用

未弃用

函数参数

$value
mixed
Required

The array, object, or scalar.

$callback
callable
Required

The function to map onto $value.

函数返回值

函数位置

函数源码

function map_deep( $value, $callback ) {
	if ( is_array( $value ) ) {
		foreach ( $value as $index => $item ) {
			$value[ $index ] = map_deep( $item, $callback );
		}
	} elseif ( is_object( $value ) ) {
		$object_vars = get_object_vars( $value );
		foreach ( $object_vars as $property_name => $property_value ) {
			$value->$property_name = map_deep( $property_value, $callback );
		}
	} else {
		$value = call_user_func( $callback, $value );
	}

	return $value;
}

源码链接

WordPress
Github

变更日志