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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = uniqid(); function getNumber($val) { $lets = array(); foreach (range('a', 'z') as $let) { $lets[] = ("'`(" . $let . ")`'"); } $num = range(1, 26); $val = strtolower($val); $ret = preg_replace($lets, $num, $val); $ret = substr($ret, 0, 10); return $ret; } $b = getNumber($a); echo "<pre>"; var_dump($b);
Output for 7.0.14 - 7.1.0
<pre>string(10) "51b99a3b00"
Output for 5.0.0 - 5.4.19, 5.4.21 - 5.4.22, 5.4.24 - 5.4.28, 5.4.30 - 5.4.31, 5.4.34, 5.4.37 - 5.4.38, 5.4.40 - 5.4.43, 5.5.0, 5.5.3 - 5.5.6, 5.5.8, 5.5.28 - 5.5.30, 5.5.33 - 5.5.34, 5.6.2, 5.6.5, 5.6.11, 5.6.13, 5.6.15 - 5.6.21, 7.0.0, 7.0.2, 7.0.5 - 7.0.7
<pre>string(10) "51b9b65b00"
Output for 5.4.20, 5.4.23, 5.4.29, 5.4.32, 5.4.35 - 5.4.36, 5.4.39, 5.4.44 - 5.4.45, 5.5.1 - 5.5.2, 5.5.7, 5.5.9 - 5.5.27, 5.5.31 - 5.5.32, 5.5.35 - 5.6.1, 5.6.3 - 5.6.4, 5.6.6 - 5.6.10, 5.6.12, 5.6.14, 5.6.22, 7.0.1, 7.0.3 - 7.0.4
<pre>string(10) "51b9b65b01"
Output for hhvm-3.12.0
<pre>string(10) "51b9b65b22"
Output for hhvm-3.10.0
<pre>string(10) "51b9b65b20"
Output for 5.6.28
<pre>string(10) "51b99a3b01"
Output for 4.3.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/aKKb9 on line 2 <pre>bool(false)