Question

map_deep( mixed $value,  callable $callback )

Maps a function to all non-iterable elements of an array or an object.

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description

This is similar to array_walk_recursive() but acts upon objects too.

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参数

$value

(mixed) (Required) The array, object, or scalar.

$callback

(callable) (Required) The function to map onto $value.

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返回值

(mixed) The value with the callback applied to all non-arrays and non-objects inside it.

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源代码

File: wp-includes/formatting.php

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;
}

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更新日志

Version	description
4.4.0	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: map_deep()

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Used By

• wp-includes/kses.php: wp_kses_post_deep()
• wp-includes/formatting.php: map_deep()
• wp-includes/formatting.php: urldecode_deep()
• wp-includes/formatting.php: stripslashes_deep()
• wp-includes/formatting.php: urlencode_deep()
• wp-includes/formatting.php: rawurlencode_deep()
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User Contributed Notes