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<?php $signed_string = '{"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==":"1","adminhash":null,"ajax":null,"postvars":null}'; var_dump($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(): Extra data starting at offset 19 of 45 bytes in /in/I2rmF on line 5 string(81) "{"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==":"1","adminhash":null,"ajax":null,"postvars":null}" string(45) "O:8:"stdClass":0:{} Zvh���!��ej6���e��-����e" object(stdClass)#1 (0) { }
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
string(81) "{"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==":"1","adminhash":null,"ajax":null,"postvars":null}" string(45) "O:8:"stdClass":0:{} Zvh���!��ej6���e��-����e" object(stdClass)#1 (0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.8
string(81) "{"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==":"1","adminhash":null,"ajax":null,"postvars":null}" string(19) "O:8:"stdClass":0:{}" object(stdClass)#1 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
string(81) "{"Tzo4OiJzdGRDbGFzcyI6MDp7fQ==":"1","adminhash":null,"ajax":null,"postvars":null}" string(19) "O:8:"stdClass":0:{}" object(stdClass)(0) { }

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