3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [ [['host' => 'test1']], [['host' => 'test2']], ]; $array2 = [ 'test1', 'ghfhfghfg', ]; echo count( array_uintersect( $array1, $array2, fn($a, $b) => ($a[0]['host'] ?? $a) <=> ($b[0]['host'] ?? $b) ) );

preferences:
34.32 ms | 404 KiB | 5 Q