3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'hello world'; $cnt = count(array_filter(str_split($str), function ($v) { return ord($v) % 3 == 0; })); echo 'total count- '.$cnt . PHP_EOL; $cnt = array_reduce(str_split($str), function ($c, $v) { return $c + (ord($v) % 3 == 0 ? 1 : 0); }, 0); echo 'total count- '.$cnt . PHP_EOL;
Output for 7.1.25 - 7.1.28, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
total count- 6 total count- 6
preferences:
157.99 ms | 403 KiB | 163 Q