Online PHP editor | output for S9WuD

@ 2014-07-11T20:25:16Z

<?php

mt_srand(42);
echo generateKey();

function generateKey() {
    return base64encode(randBuffer(48));
}

function base64encode($buf) {
    $enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
    return $buf;
}

function randBuffer($n) {
    //try {
    	//$buf = openssl_random_pseudo_bytes($n);
        //} catch (Exception $e) {
        $buf = "";
        for ($i = 0; $i < $n; $i++) {
            $buf .= ord(mt_rand(0, 255));
        }
        //}
    return $buf;
}

Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1: 494957494955495049495050555056495749494949534956504951494949504950535050505652505350495050495049
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33: 495050505453494951495050494951494951554953505049525053505248525755574949495355495749515049554949
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: 495457505049495050505449524949565049545749494949494850494951574950505350504949505049505050514953

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