<?php
$pattern = '\d+';
$haystack = '0123 456 789';
preg_replace_callback($pattern, 'add_three', $haystack);
function add_three($matches){
return '777';
}
- Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Warning: preg_replace_callback(): Delimiter must not be alphanumeric, backslash, or NUL in /in/OlOSv on line 6
- Output for 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 - 7.1.33, 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 - 8.1.28
- Warning: preg_replace_callback(): Delimiter must not be alphanumeric or backslash in /in/OlOSv on line 6
- Output for 4.3.0 - 4.3.10
- Warning: Delimiter must not be alphanumeric or backslash in /in/OlOSv on line 6
preferences:
200.44 ms | 401 KiB | 340 Q