3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ '#A' => '12 > 5', '#B' => '4 > 3' ]; $string = '((#A) OR (#B) AND (#A))'; $string = str_replace(array_keys($array), $array, $string); echo $string;

preferences:
35.62 ms | 405 KiB | 5 Q