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<?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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
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 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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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