3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string1 = "Hello how are you doing"; $string2 = " hi, how are you"; $words1 = str_word_count($string1, 1); $words2 = str_word_count($string2, 1); var_export( count(array_intersect($words1, $words2)) / count($words1) * 100 );
Output for 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
60.0
preferences:
61.6 ms | 860 KiB | 4 Q