Online PHP editor | output for LXmKq

@ 2015-07-24T20:10:41Z

<?php

$testsize = 1000*100;
$bucketcount = 15;

$buckets = array();

// Initialize buckets
for ($i = 0; $i < $bucketcount; $i++) {
    $buckets[$i] = 0;
}

// Run the test
for ($i = 0; $i < $testsize; $i++) {
    $n = ord(openssl_random_pseudo_bytes(1));
    $buckets[$n % $bucketcount]++; // Here is our modulo operation
}

echo "Expected in each bucket: " . ($testsize / $bucketcount) . "\n";
print_r($buckets);

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/LXmKq:15 Stack trace: #0 {main} thrown in /in/LXmKq on line 15
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Call to undefined function openssl_random_pseudo_bytes() in /in/LXmKq on line 15
Process exited with code 255.

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