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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = uniqid(time()); function getNumber($val) { $let = range('a', 'z'); $num = range(1, 26); $val = strtolower($val); $ret = preg_replace($let, $num, $val); $ret = substr(0, 10, $ret); return $ret; } $b = getNumber($a); echo "<pre>"; var_dump($b);
Output for 5.2.5 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 <pre>bool(false)
Output for hhvm-3.10.0 - 3.12.0
Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 <pre>bool(false)
Output for 4.3.11 - 5.2.4
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 <pre>bool(false)
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 Warning: Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 <pre>bool(false)