map_deep ( $value, $callback )
- (mixed) $value The array, object, or scalar.
- (callable) $callback The function to map onto $value.
- (mixed) The value with the callback applied to all non-arrays and non-objects inside it.
- Introduced in WordPress: 4.4.0
- Deprecated in WordPress: —
Maps a function to all non-iterable elements of an array or an object.
This is similar to
array_walk_recursive() but acts upon objects too.