3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( //"one" => "'1", "one" => ch(0xbf27), "two" => 2, "three" => 3, "seventeen" => 17 ); foreach ($a as $k => $v) { echo "$v...\n"; //$str = $v; $str = addslashes($v); echo "\$a[$k] => $str.\n"; } ?>

preferences:
63.99 ms | 402 KiB | 5 Q