_rest_array_intersect_key_recursive()
Recursively computes the intersection of arrays using keys for comparison.
This is an internal function for using it by WP core itself. It's not recommended to use this function in your code.
No Hooks.
Return
Array
. An associative array containing all the entries of array1 which have keys that are present in all arguments.
Usage
_rest_array_intersect_key_recursive( $array1, $array2 );
- $array1(array) (required)
- The array with master keys to check.
- $array2(array) (required)
- An array to compare keys against.
Changelog
Since 5.3.0 | Introduced. |
Code of _rest_array_intersect_key_recursive() rest array intersect key recursive WP 6.0
function _rest_array_intersect_key_recursive( $array1, $array2 ) { $array1 = array_intersect_key( $array1, $array2 ); foreach ( $array1 as $key => $value ) { if ( is_array( $value ) && is_array( $array2[ $key ] ) ) { $array1[ $key ] = _rest_array_intersect_key_recursive( $value, $array2[ $key ] ); } } return $array1; }