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run code in 200+ php & hhvm versions
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<?php $_POST['auth']='{"data":{"login":"1","password":"0000000000000000000000000000000000000000000000000000000000000000"}}'; $PASSWORD_SHA256 = "9834876dcfb05cb167a5c24953eba58c4ac89b1adf57f28f2f9d09af107ee8f0"; $USER = "aaa"; $return['status'] = 'Authentication failed!'; if (isset($_POST["auth"])) { // retrieve JSON data $auth = @json_decode($_POST['auth'], true); echo $auth['data']['password']."\n"; var_dump($auth); // check login and password (sha256) if($auth['data']['login'] == $USER && !strcmp($auth['data']['password'], $PASSWORD_SHA256)){ $return['status'] = "Access granted! The validation password is"; } } print json_encode($return); ?>
based on gWKDV
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0rc3
0000000000000000000000000000000000000000000000000000000000000000 array(1) { ["data"]=> array(2) { ["login"]=> string(1) "1" ["password"]=> string(64) "0000000000000000000000000000000000000000000000000000000000000000" } } {"status":"Authentication failed!"}