3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); $array[0] = array("blue", "red", "green", "brown"); // new syntax $array[0] = ["blue", "red", "green", "brown"]; echo "Correct answers: " . implode(" or ", $array[0]);

preferences:
45.92 ms | 402 KiB | 5 Q