_rest_array_intersect_key_recursive( array $array1, array $array2 )
Recursively computes the intersection of arrays using keys for comparison.
Description Description
Parameters Parameters
- $array1
-
(array) (Required) The array with master keys to check.
- $array2
-
(array) (Required) An array to compare keys against.
Return Return
(array) An associative array containing all the entries of array1 which have keys that are present in all arguments.
Source Source
File: wp-includes/rest-api.php
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;
}
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