3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "ABCDE "; $array = array(); $array[] = trim($string); $array[] = preg_replace('/\s+/', '', $string); $array[] = preg_replace('/\s\s+/', '', $string); $array[] = trim(preg_replace('/[\s\t\n\r\s]+/', '', $string)); $array[] = preg_replace('/~\x{00a0}~siu/', '', $string); var_dump($array);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
array(5) { [0]=> string(5) "ABCDE" [1]=> string(5) "ABCDE" [2]=> string(5) "ABCDE" [3]=> string(5) "ABCDE" [4]=> string(7) "ABCDE " }
preferences:
56.45 ms | 410 KiB | 5 Q