3v4l.org

run code in 300+ PHP versions simultaneously
<?php function replaceUmlaut($s) { $r = ''; $s1 = iconv('UTF-8', 'ASCII//TRANSLIT', $s); for ($i = 0; $i < strlen($s1); $i++) { $ch1 = $s1[$i]; $ch2 = mb_substr($s, $i, 1); $r .= $ch1=='?'?$ch2:$ch1; } $r = preg_replace("=\W=is", "", $r); return $r; } printf("Sévèrîn Tést = %s", replaceUmlaut("Sévèrîn Tést"));

preferences:
33.99 ms | 402 KiB | 5 Q