3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '$£%wow!😮'; echo 'No mb: ' . strlen($string) . PHP_EOL; echo 'With mb: ' . mb_strlen($string) . PHP_EOL; $chrArray = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY); foreach ($chrArray as $chr) { echo $chr . ' ' . strlen($chr) . PHP_EOL; }
Output for 7.2.0 - 7.2.33, 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 - 8.3.14, 8.4.1 - 8.4.2
No mb: 12 With mb: 8 $ 1 £ 2 % 1 w 1 o 1 w 1 ! 1 😮 4
preferences:
82.39 ms | 407 KiB | 5 Q