3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [how]foo[how]bar. please don\'t remove [are] you?'; echo preg_replace('~\[.*?\]~', '', $a); echo PHP_EOL . "there should be no space between foo and bar :)";

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47.7 ms | 402 KiB | 5 Q