3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array("a" => array(1)); $array2 = array("b" => array("1")); $a = array(1, 2, 3, 4); $b = array(2, 4, 5, 6); $result1 = array_intersect($a, $b); // 2 4 $result2 = array_intersect($a, $b); // 2 4 print_r($result1); print_r($result2); ?>

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46.68 ms | 402 KiB | 5 Q