3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "abcdأبتث"; $charsCount = mb_strlen($string); for($i = 0; $i < $charsCount; $i++){ $char = mb_substr($string, $i, 1); var_dump($char); }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
string(1) "a" string(1) "b" string(1) "c" string(1) "d" string(2) "أ" string(2) "ب" string(2) "ت" string(2) "ث"
preferences:
89.61 ms | 407 KiB | 5 Q