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<?php $data = openssl_random_pseudo_bytes(65536); $params = array('level' => 6, 'window' => 15, 'memory' => 9); $fp = fopen('php://memory', 'wb+'); $filter = stream_filter_append($fp, 'zlib.deflate', STREAM_FILTER_WRITE, $params); fputs($fp, $data); stream_filter_remove($filter); rewind($fp); echo substr(bin2hex($streamA = stream_get_contents($fp)), 0, 32) . "\n"; echo substr(bin2hex($streamB = gzcompress($data)), 0, 32) . "\n"; var_dump($streamA === $streamB);
Output for 7.1.25, 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 - 8.3.26, 8.4.1 - 8.4.13
Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/K1f3G:3 Stack trace: #0 {main} thrown in /in/K1f3G on line 3
Process exited with code 255.
Output for 7.1.12
789c001180ee7f9c3fc35f12006ffcab 789c001180ee7f9c3fc35f12006ffcab bool(true)
Output for 7.1.11
789c001180ee7fd2e9abf32bcf0c1d34 789c001180ee7fd2e9abf32bcf0c1d34 bool(true)
Output for 7.1.10
789c000980f67f17aa6ecb11c3c8fa83 789c000980f67f17aa6ecb11c3c8fa83 bool(true)
Output for 7.1.9
789c000b80f47fc72b5d8c6977ff0c4a 789c000b80f47fc72b5d8c6977ff0c4a bool(true)
Output for 7.1.8
789c001780e87f8b9c8e95e82540e2dd 789c001780e87f8b9c8e95e82540e2dd bool(true)
Output for 7.1.7
789c000980f67ff78a662da026e3fb4d 789c000980f67ff78a662da026e3fb4d bool(true)
Output for 7.1.6
789c001380ec7f4769982f89da2803eb 789c001380ec7f4769982f89da2803eb bool(true)
Output for 7.1.5
789c001380ec7fe6b030d331f9c54832 789c001380ec7fe6b030d331f9c54832 bool(true)
Output for 7.1.4
789c000a80f57f169874d8b55f4e55f9 789c000a80f57f169874d8b55f4e55f9 bool(true)
Output for 7.1.3
789c001580ea7f05c21cfd91f5d0e52b 789c001580ea7f05c21cfd91f5d0e52b bool(true)
Output for 7.1.2
789c000b80f47f80818501eca6969d5c 789c000b80f47f80818501eca6969d5c bool(true)
Output for 7.1.1
789c001180ee7f01e7d6d6c7828d9cf1 789c001180ee7f01e7d6d6c7828d9cf1 bool(true)
Output for 7.1.0
789c000d80f27f09fa39a286c0915c0f 789c000d80f27f09fa39a286c0915c0f bool(true)
preferences:
146.12 ms | 425 KiB | 5 Q