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run code in 300+ PHP versions simultaneously
<?php $signed_string = 'a:4:{s:28:"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==";s:1:"1";s:9:"adminhash";N;s:4:"ajax";N;s:8:"postvars";N;}'; var_dump($signed_string, base64_decode($signed_string), unserialize(base64_decode($signed_string)));
Output for 8.3.0 - 8.3.22, 8.4.1 - 8.4.8
Warning: unserialize(): Error at offset 0 of 48 bytes in /in/9Xv1f on line 5 string(98) "a:4:{s:28:"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==";s:1:"1";s:9:"adminhash";N;s:4:"ajax";N;s:8:"postvars";N;}" string(48) "k�6�<����ё ���̈����,�[=i٢����8j6�6�)��oj� " bool(false)
Output for 5.2.9 - 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, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28
Notice: unserialize(): Error at offset 0 of 48 bytes in /in/9Xv1f on line 5 string(98) "a:4:{s:28:"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==";s:1:"1";s:9:"adminhash";N;s:4:"ajax";N;s:8:"postvars";N;}" string(48) "k�6�<����ё ���̈����,�[=i٢����8j6�6�)��oj� " bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.8
Notice: unserialize(): Error at offset 0 of 23 bytes in /in/9Xv1f on line 5 string(98) "a:4:{s:28:"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==";s:1:"1";s:9:"adminhash";N;s:4:"ajax";N;s:8:"postvars";N;}" string(23) "k�6�<����ё ���̈����" bool(false)
Output for 4.3.0 - 4.3.1
Notice: unserialize() [http://www.php.net/function.unserialize]: Error at offset 0 of 23 bytes in /in/9Xv1f on line 5 string(98) "a:4:{s:28:"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==";s:1:"1";s:9:"adminhash";N;s:4:"ajax";N;s:8:"postvars";N;}" string(23) "k�6�<����ё ���̈����" bool(false)

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