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<?php class db_driver {} $array = new stdClass; $encode = (serialize($array)); echo $encode, PHP_EOL; echo $foo = base64_encode(gzcompress($encode)), PHP_EOL, PHP_EOL, PHP_EOL; var_dump(unserialize($foo));
Output for 8.3.0 - 8.3.6
O:8:"stdClass":0:{} eJzzt7KwUiouSXHOSSwuVrIysKquBQA6RgYd Warning: unserialize(): Error at offset 0 of 36 bytes in /in/2HoHb on line 7 bool(false)
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.8 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18
O:8:"stdClass":0:{} eJzzt7KwUiouSXHOSSwuVrIysKquBQA6RgYd Notice: unserialize(): Error at offset 0 of 36 bytes in /in/2HoHb on line 7 bool(false)
Output for 7.3.32 - 7.3.33, 7.4.26
O:8:"stdClass":0:{} eJzzt7KwUiouSXHOSSwuVrIysKquBQA6RgYd bool(false)
Output for 4.3.2 - 4.3.9, 5.0.0 - 5.0.1
O:8:"stdClass":0:{} Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 4 PHP_EOLeJzzt7KwUiouSXHOSSwuVrIysKquBQA6RgYd Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: unserialize(): Error at offset 0 of 36 bytes in /in/2HoHb on line 7 bool(false)
Output for 4.3.0 - 4.3.1
O:8:"stdClass":0:{} Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 4 PHP_EOLeJzzt7KwUiouSXHOSSwuVrIysKquBQA6RgYd Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/2HoHb on line 5 PHP_EOL Notice: unserialize() [http://www.php.net/function.unserialize]: Error at offset 0 of 36 bytes in /in/2HoHb on line 7 bool(false)

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