3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var_1 = 'PHP IS GREAT'; $var_2 = 'WITH MYSQL'; echo similar_text($var_1, $var_2, $percent); echo "\n" . $percent; // 27.272727272727 echo "\n" . similar_text($var_2, $var_1, $percent); echo "\n" . $percent; // 18.181818181818

preferences:
48.2 ms | 402 KiB | 5 Q