3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ implode(';', [1,2,3]), implode(';', [4,5,6]), implode(';', [7,8,9]), ]; print_r($a); echo implode(';', $a); echo PHP_EOL; echo implode(',', $a);

preferences:
25.02 ms | 405 KiB | 5 Q