Recursively computes the intersection of arrays using keys for comparison.
Parameters
$array1arrayrequired- The array with master keys to check.
$array2arrayrequired- An array to compare keys against.
Source
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;
}
Changelog
| Version | Description |
|---|---|
| 5.3.0 | Introduced. |
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