3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'f'; $charFirst = substr($string, 0, 1); $charLast = substr($string, strlen($string) - 1, 1); echo $charFirst . PHP_EOL; echo $charLast . PHP_EOL;

preferences:
35.69 ms | 402 KiB | 5 Q