3v4l.org

run code in 300+ PHP versions simultaneously
<?php mt_srand(42); for ($i = 0; $i < 20; $i++) { echo_key(); } function echo_key() { $buf = rand_buffer(49); echo base64_encode($buf) . "\n"; echo base64_urlencode($buf) . "\n"; } function base64_urlencode($buf) { return str_replace(array('+', '/', '='), array('-', '_', ''), base64_encode($buf)); } function rand_buffer($n) { //try { // $buf = openssl_random_pseudo_bytes($n); //} catch (Exception $e) { $buf = ""; for ($i = 0; $i < $n; $i++) { $buf .= chr(mt_rand(0, 255)); } //} return $buf; }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
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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 - 5.6.40, 7.0.0 - 7.0.33
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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
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preferences:
260.89 ms | 410 KiB | 325 Q