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<?php $arr = array("user_id"=>1; "hmac"=d6989bb81dc2d274450a736bac02a0aa8006c419); var_dump(serialize($arr));
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
Parse error: syntax error, unexpected ';', expecting ')' in /in/p71t7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ';', expecting ')' in /in/p71t7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/p71t7 on line 3
Process exited with code 255.

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