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@ 2016-01-03T10:45:41Z

<?php

define('__FLAG__','3xZG{dgznclXAwFVCUHPMWFViZBDSsltxKdrvFBVYHSr1}');
function stypr_crypt($_0){$_1 = $_2 = $_3 = array(); $_4 =array('?','(','@', ';', '$','#',  ']',  '&', '*'); $_4 = array_merge($_4,range('a','z'),range('0','9'),range('A','Z')); $_4 = array_merge($_4,array('!', ')', '_', '+', '|', '%', '/', '[', '.', ' ')); for($_5=9,$_6=0;$_6 < $_5;$_6++){ for($_7=0;$_7<$_5;$_7++){$_2[$_6][$_7] = $_4[$_6*$_5+$_7]; $_3[$_6][$_7] = str_rot13($_4[($_5*$_5-1)-($_6*$_5+$_7)]);} } unset($_4); $_8 = floor(strlen($_0)/2)*2; $_9 = ($_8 == strlen($_0))?'':$_0[strlen($_0)-1]; $_10 =array(); for($_11 = 0;$_11 < $_8;$_11+=2){$_12 = $_13 = strval($_0[$_11]); $_14 = $_15 = strval($_0[$_11+1]); $_16 = $_17 = array(); $_6=0;  }
  }
 
if(__FLAG__ === stypr_crypt(stypr_crypt(stypr_crypt($_GET['flag']))))
    echo 'Correct!';
else
    echo 'Incorrect..';
    
    
    
    
    
?>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined array key "flag" in /in/ts1ri on line 7 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/ts1ri on line 4 Incorrect..

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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