3v4l.org

run code in 300+ PHP versions simultaneously
<?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 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/JeH37 on line 8 <pre>bool(false)
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 - 5.2.4
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)
preferences:
153.45 ms | 409 KiB | 227 Q