<?php
// remove duplicated spaces into single spaces but persist special spaces like the non-breaking-space
$normalized = "\xC2\xA1\xC2\xA0 ";
$normalized = preg_replace("/([ \xC2\xA0])?\\s+/u", '$1 ', $normalized);
$normalized = preg_replace('/([ \xC2\xA0]) /u', '$1', $normalized);
var_dump($normalized, bin2hex($normalized));
- 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- string(4) "¡ "
string(8) "c2a1c2a0"
preferences:
306.8 ms | 405 KiB | 452 Q