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run code in 200+ php & hhvm versions
Bugs & Features
<?php function doHash($string) { if ($string == "") return ""; $passwordChars = "abcdefghijklmnopqrstuvwxyz_"; $hashChars = "0123456789ABCDEF"; $hashedString = ""; $hashArray = Array(32); for($i=0; $i<32; $i++) $hashArray[$i]=GetCharacterKey($string, $i); print_r($hashArray); for ($i=0; $i<32; $i++) { if (strpos($passwordChars, substr($string, $i%strlen($string), 1)) == -1) $string= substr($string, 0, $i%strlen($string)) . "_" . substr($string, ($i%strlen($string))+1, (strlen($string)-($i%strlen($string)))-1); $hashArray[$i] += (floor(strpos($passwordChars, substr($string, $i%strlen($string), 1))/9)*16 + floor(strpos($passwordChars, substr($string, $i%strlen($string), 1))%9/3)*4 + floor(strpos($passwordChars, substr($string, $i%strlen($string), 1))%3)); for ($j=0; $j<3; $j++) if (($hashArray[$i]&(48>>($j*2))) == (32>>($j*2)) && (GetCharacterKey($string, $i)&(1<<$j))==(1<<$j)) $hashArray[i]=($hashArray[$i]&(255-(48>>($j*2)))) + (48>>($j*2)); for ($j=0; $j<2; $j++) $hashArray[$i] += floor($hashArray[($i+$j)%32]/1234)*pow(4,$j+3); $doubleByteHashNumber = 0; for ($j=0; $j<16; $j++) $doubleByteHashNumber += (($hashArray[$i]&pow(2,($j*2)+($i%2)))>>($j+($i%2))); $hashArray[$i] = $doubleByteHashNumber; $hashedString .= substr($hashChars, floor((($hashArray[$i]&65280)>>8)/16), 1); $hashedString .= substr($hashChars, floor((($hashArray[$i]&65280)>>8)%16), 1); $hashedString .= substr($hashChars, floor(($hashArray[$i]&255)/16), 1); $hashedString .= substr($hashChars, floor(($hashArray[$i]&255)%16), 1); } return $hashedString; } function GetCharacterKey($string, $character) { // echo $character . "\n\n "; $passwordChars = "abcdefghijklmnopqrstuvwxyz_"; $key = strpos($passwordChars, $string[$character%strlen($string)]); for($i=0; $i<10+strlen($string)+($character*3); $i++) { // echo $key . " "; $key = ($key<<1); // echo $key . " "; $key %= 2147483648; //echo $key . " >> " . $string[$i%strlen($string)] . " "; $key += strpos($passwordChars, $string[$i%strlen($string)]); // echo $key . " "; $key = floor(sin($key)*1000000); // echo $key . "\n"; } // echo "\n"; // Modified to support x64 machines. $key &= 4294967232; return $key; if ($key < 0) { return -(2147483648 - ($key & 2147483584)); } else { return ($key & 2147483584); } } echo GetCharacterKey("cc",0) . "\n"; ?>
based on Ea7IN
Output for 5.6.0 - 7.3.0beta1
421120