3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '  love@outerbanks.org  '; preg_match('/(\x{c2a0}*)/u', $string, $out); for ($i = 0;$i < strlen($out[1]);$i++) { echo dechex(ord($out[1][$i])).PHP_EOL; } var_dump($out);
Output for 4.3.3 - 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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(2) { [0]=> string(0) "" [1]=> string(0) "" }
Output for 4.3.0 - 4.3.2
Notice: Undefined offset: 1 in /in/n2CRP on line 6 array(0) { }

preferences:
196.8 ms | 401 KiB | 306 Q