- How To Decode Php Files That Encoded By Zend Encoder Circuit Diagram
- How To Decode Php Files That Encoded By Zend Encoder Circuit Location
Zend encoded scripts can't be decoded back into the original source code, it encodes a script after parsing it into ZIL ( Zend Intermediate Langage ) which can then be processed by the engine without the need to decode the code back into the source.
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<?php |
/** |
* @see https://github.com/zendframework/zend-json for the canonical source repository |
* @copyright Copyright (c) 2005-2018 Zend Technologies USA Inc. (http://www.zend.com) |
* @license https://github.com/zendframework/zend-json/blob/master/LICENSE.md New BSD License |
*/ |
namespaceZendJson; |
useIterator; |
useIteratorAggregate; |
useJsonSerializable; |
useReflectionClass; |
useZendJsonExceptionInvalidArgumentException; |
useZendJsonExceptionRecursionException; |
/** |
* Encode PHP constructs to JSON. |
*/ |
classEncoder |
{ |
/** |
* Whether or not to check for possible cycling. |
* |
* @var bool |
*/ |
protected$cycleCheck; |
/** |
* Additional options used during encoding. |
* |
* @var array |
*/ |
protected$options= []; |
/** |
* Array of visited objects; used to prevent cycling. |
* |
* @var array |
*/ |
protected$visited= []; |
/** |
* @param bool $cycleCheck Whether or not to check for recursion when encoding. |
* @param array $options Additional options used during encoding. |
*/ |
protectedfunction__construct($cycleCheck=false, array$options= []) |
{ |
$this->cycleCheck=$cycleCheck; |
$this->options=$options; |
} |
/** |
* Use the JSON encoding scheme for the value specified. |
* |
* @param mixed $value The value to be encoded. |
* @param bool $cycleCheck Whether or not to check for possible object recursion when encoding. |
* @param array $options Additional options used during encoding. |
* @return string The encoded value. |
*/ |
publicstaticfunctionencode($value, $cycleCheck=false, array$options= []) |
{ |
$encoder=newstatic($cycleCheck, $options); |
if ($valueinstanceofJsonSerializable) { |
$value=$value->jsonSerialize(); |
} |
return$encoder->encodeValue($value); |
} |
/** |
* Encode a value to JSON. |
* |
* Recursive method which determines the type of value to be encoded |
* and then dispatches to the appropriate method. |
* |
* $values are either |
* - objects (returns from {@link encodeObject()}) |
* - arrays (returns from {@link encodeArray()}) |
* - scalars (returns from {@link encodeDatum()}) |
* |
* @param $value mixed The value to be encoded. |
* @return string Encoded value. |
*/ |
protectedfunctionencodeValue(&$value) |
{ |
if (is_object($value)) { |
return$this->encodeObject($value); |
} |
if (is_array($value)) { |
return$this->encodeArray($value); |
} |
return$this->encodeDatum($value); |
} |
/** |
* Encode an object to JSON by encoding each of the public properties. |
* |
* A special property is added to the JSON object called '__className' that |
* contains the classname of $value; this can be used by consumers of the |
* resulting JSON to cast to the specific class. |
* |
* @param $value object |
* @return string |
* @throws RecursionException If recursive checks are enabled and the |
* object has been serialized previously. |
*/ |
protectedfunctionencodeObject(&$value) |
{ |
if ($this->cycleCheck) { |
if ($this->wasVisited($value)) { |
if (!isset($this->options['silenceCyclicalExceptions']) |
||$this->options['silenceCyclicalExceptions'] !true |
) { |
thrownewRecursionException(sprintf( |
'Cycles not supported in JSON encoding; cycle introduced by class '%s'', |
get_class($value) |
)); |
} |
return''* RECURSION ('.str_replace('', '', get_class($value)) .') *''; |
} |
$this->visited[] =$value; |
} |
$props=''; |
if (method_exists($value, 'toJson')) { |
$props=','.preg_replace('/^{(.*)}$/', '1', $value->toJson()); |
} else { |
if ($valueinstanceofIteratorAggregate) { |
$propCollection=$value->getIterator(); |
} elseif ($valueinstanceofIterator) { |
$propCollection=$value; |
} else { |
$propCollection=get_object_vars($value); |
} |
foreach ($propCollectionas$name=>$propValue) { |
if (!isset($propValue)) { |
continue; |
} |
$props.=',' |
.$this->encodeValue($name) |
.':' |
.$this->encodeValue($propValue); |
} |
} |
$className=get_class($value); |
return'{'__className':' |
.$this->encodeString($className) |
.$props.'}'; |
} |
/** |
* Determine if an object has been serialized already. |
* |
* @param mixed $value |
* @return bool |
*/ |
protectedfunctionwasVisited(&$value) |
{ |
if (in_array($value, $this->visited, true)) { |
returntrue; |
} |
returnfalse; |
} |
/** |
* JSON encode an array value. |
* |
* Recursively encodes each value of an array and returns a JSON encoded |
* array string. |
* |
* Arrays are defined as integer-indexed arrays starting at index 0, where |
* the last index is (count($array) -1); any deviation from that is |
* considered an associative array, and will be passed to |
* {@link encodeAssociativeArray()}. |
* |
* @param $array array |
* @return string |
*/ |
protectedfunctionencodeArray($array) |
{ |
// Check for associative array |
if (!empty($array) && (array_keys($array) !range(0, count($array) -1))) { |
// Associative array |
return$this->encodeAssociativeArray($array); |
} |
// Indexed array |
$tmpArray= []; |
$result='['; |
$length=count($array); |
for ($i=0; $i<$length; $i++) { |
$tmpArray[] =$this->encodeValue($array[$i]); |
} |
$result.=implode(',', $tmpArray); |
$result.=']'; |
return$result; |
} |
/** |
* Encode an associative array to JSON. |
* |
* JSON does not have a concept of associative arrays; as such, we encode |
* them to objects. |
* |
* @param array $array Array to encode. |
* @return string |
*/ |
protectedfunctionencodeAssociativeArray($array) |
{ |
$tmpArray= []; |
$result='{'; |
foreach ($arrayas$key=>$value) { |
$tmpArray[] =sprintf( |
'%s:%s', |
$this->encodeString((string) $key), |
$this->encodeValue($value) |
); |
} |
$result.=implode(',', $tmpArray); |
$result.='}'; |
return$result; |
} |
/** |
* JSON encode a scalar data type (string, number, boolean, null). |
* |
* If value type is not a string, number, boolean, or null, the string |
* 'null' is returned. |
* |
* @param mixed $value |
* @return string |
*/ |
protectedfunctionencodeDatum($value) |
{ |
if (is_int($value) ||is_float($value)) { |
returnstr_replace(',', '.', (string) $value); |
} |
if (is_string($value)) { |
return$this->encodeString($value); |
} |
if (is_bool($value)) { |
return$value ? 'true' : 'false'; |
} |
return'null'; |
} |
/** |
* JSON encode a string value by escaping characters as necessary. |
* |
* @param string $string |
* @return string |
*/ |
protectedfunctionencodeString($string) |
{ |
// @codingStandardsIgnoreStart |
// Escape these characters with a backslash or unicode escape: |
// ' / n r t b f |
$search= ['', 'n', 't', 'r', 'b', 'f', ''', ''', '&', '<', '>', '/']; |
$replace= ['', 'n', 't', 'r', 'b', 'f', 'u0022', 'u0027', 'u0026', 'u003C', 'u003E', '/']; |
$string=str_replace($search, $replace, $string); |
// @codingStandardsIgnoreEnd |
// Escape certain ASCII characters: |
// 0x08 => b |
// 0x0c => f |
$string=str_replace([chr(0x08), chr(0x0C)], ['b', 'f'], $string); |
$string=self::encodeUnicodeString($string); |
return'''.$string.'''; |
} |
/** |
* Encode the constants associated with the ReflectionClass parameter. |
* |
* The encoding format is based on the class2 format. |
* |
* @param ReflectionClass $class |
* @return string Encoded constant block in class2 format |
*/ |
privatestaticfunctionencodeConstants(ReflectionClass$class) |
{ |
$result='constants:{'; |
$constants=$class->getConstants(); |
if (empty($constants)) { |
return$result.'}'; |
} |
$tmpArray= []; |
foreach ($constantsas$key=>$value) { |
$tmpArray[] =sprintf('%s: %s', $key, self::encode($value)); |
} |
$result.=implode(', ', $tmpArray); |
return$result.'}'; |
} |
/** |
* Encode the public methods of the ReflectionClass in the class2 format |
* |
* @param ReflectionClass $class |
* @return string Encoded method fragment. |
*/ |
privatestaticfunctionencodeMethods(ReflectionClass$class) |
{ |
$result='methods:{'; |
$started=false; |
foreach ($class->getMethods() as$method) { |
if (!$method->isPublic() ||!$method->isUserDefined()) { |
continue; |
} |
if ($started) { |
$result.=','; |
} |
$started=true; |
$result.=sprintf('%s:function(', $method->getName()); |
if ('__construct'$method->getName()) { |
$result.='){}'; |
continue; |
} |
$argsStarted=false; |
$argNames='var argNames=['; |
foreach ($method->getParameters() as$param) { |
if ($argsStarted) { |
$result.=','; |
} |
$result.=$param->getName(); |
if ($argsStarted) { |
$argNames.=','; |
} |
$argNames.=sprintf(''%s'', $param->getName()); |
$argsStarted=true; |
} |
$argNames.='];'; |
$result.='){' |
.$argNames |
.'var result = ZAjaxEngine.invokeRemoteMethod(' |
.'this, '' |
.$method->getName() |
.'',argNames,arguments);' |
.'return(result);}'; |
} |
return$result.'}'; |
} |
/** |
* Encode the public properties of the ReflectionClass in the class2 format. |
* |
* @param ReflectionClass $class |
* @return string Encode properties list |
* |
*/ |
privatestaticfunctionencodeVariables(ReflectionClass$class) |
{ |
$propValues=get_class_vars($class->getName()); |
$result='variables:{'; |
$tmpArray= []; |
foreach ($class->getProperties() as$prop) { |
if (!$prop->isPublic()) { |
continue; |
} |
$name=$prop->getName(); |
$tmpArray[] =sprintf('%s:%s', $name, self::encode($propValues[$name])); |
} |
$result.=implode(',', $tmpArray); |
return$result.'}'; |
} |
/** |
* Encodes the given $className into the class2 model of encoding PHP classes into JavaScript class2 classes. |
* |
* NOTE: Currently only public methods and variables are proxied onto the |
* client machine |
* |
* @param $className string The name of the class, the class must be |
* instantiable using a null constructor. |
* @param $package string Optional package name appended to JavaScript |
* proxy class name. |
* @return string The class2 (JavaScript) encoding of the class. |
* @throws InvalidArgumentException |
*/ |
publicstaticfunctionencodeClass($className, $package='') |
{ |
$class=newReflectionClass($className); |
if (!$class->isInstantiable()) { |
thrownewInvalidArgumentException(sprintf( |
''%s' must be instantiable', |
$className |
)); |
} |
returnsprintf( |
'Class.create('%s%s',{%s,%s,%s});', |
$package, |
$className, |
self::encodeConstants($class), |
self::encodeMethods($class), |
self::encodeVariables($class) |
); |
} |
/** |
* Encode several classes at once. |
* |
* Returns JSON encoded classes, using {@link encodeClass()}. |
* |
* @param string[] $classNames |
* @param string $package |
* @return string |
*/ |
publicstaticfunctionencodeClasses(array$classNames, $package='') |
{ |
$result=''; |
foreach ($classNamesas$className) { |
$result.=static::encodeClass($className, $package); |
} |
return$result; |
} |
/** |
* Encode Unicode Characters to u0000 ASCII syntax. |
* |
* This algorithm was originally developed for the Solar Framework by Paul |
* M. Jones. |
* |
* @link http://solarphp.com/ |
* @link https://github.com/solarphp/core/blob/master/Solar/Json.php |
* @param string $value |
* @return string |
*/ |
publicstaticfunctionencodeUnicodeString($value) |
{ |
$strlenVar=strlen($value); |
$ascii=''; |
// Iterate over every character in the string, escaping with a slash or |
// encoding to UTF-8 where necessary. |
for ($i=0; $i<$strlenVar; $i++) { |
$ordVarC=ord($value[$i]); |
switch (true) { |
case (($ordVarC>=0x20) && ($ordVarC<=0x7F)): |
// characters U-00000000 - U-0000007F (same as ASCII) |
$ascii.=$value[$i]; |
break; |
case (($ordVarC&0xE0) 0xC0): |
// characters U-00000080 - U-000007FF, mask 110XXXXX |
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
$char=pack('C*', $ordVarC, ord($value[$i+1])); |
$i+=1; |
$utf16=self::utf82utf16($char); |
$ascii.=sprintf('u%04s', bin2hex($utf16)); |
break; |
case (($ordVarC&0xF0) 0xE0): |
// characters U-00000800 - U-0000FFFF, mask 1110XXXX |
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
$char=pack( |
'C*', |
$ordVarC, |
ord($value[$i+1]), |
ord($value[$i+2]) |
); |
$i+=2; |
$utf16=self::utf82utf16($char); |
$ascii.=sprintf('u%04s', bin2hex($utf16)); |
break; |
case (($ordVarC&0xF8) 0xF0): |
// characters U-00010000 - U-001FFFFF, mask 11110XXX |
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
$char=pack( |
'C*', |
$ordVarC, |
ord($value[$i+1]), |
ord($value[$i+2]), |
ord($value[$i+3]) |
); |
$i+=3; |
$utf16=self::utf82utf16($char); |
$ascii.=sprintf('u%04s', bin2hex($utf16)); |
break; |
case (($ordVarC&0xFC) 0xF8): |
// characters U-00200000 - U-03FFFFFF, mask 111110XX |
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
$char=pack( |
'C*', |
$ordVarC, |
ord($value[$i+1]), |
ord($value[$i+2]), |
ord($value[$i+3]), |
ord($value[$i+4]) |
); |
$i+=4; |
$utf16=self::utf82utf16($char); |
$ascii.=sprintf('u%04s', bin2hex($utf16)); |
break; |
case (($ordVarC&0xFE) 0xFC): |
// characters U-04000000 - U-7FFFFFFF, mask 1111110X |
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
$char=pack( |
'C*', |
$ordVarC, |
ord($value[$i+1]), |
ord($value[$i+2]), |
ord($value[$i+3]), |
ord($value[$i+4]), |
ord($value[$i+5]) |
); |
$i+=5; |
$utf16=self::utf82utf16($char); |
$ascii.=sprintf('u%04s', bin2hex($utf16)); |
break; |
} |
} |
return$ascii; |
} |
/** |
* Convert a string from one UTF-8 char to one UTF-16 char. |
* |
* Normally should be handled by mb_convert_encoding, but provides a slower |
* PHP-only method for installations that lack the multibyte string |
* extension. |
* |
* This method is from the Solar Framework by Paul M. Jones. |
* |
* @link http://solarphp.com |
* @param string $utf8 UTF-8 character |
* @return string UTF-16 character |
*/ |
protectedstaticfunctionutf82utf16($utf8) |
{ |
// Check for mb extension otherwise do by hand. |
if (function_exists('mb_convert_encoding')) { |
returnmb_convert_encoding($utf8, 'UTF-16', 'UTF-8'); |
} |
switch (strlen($utf8)) { |
case1: |
// This case should never be reached, because we are in ASCII range; |
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
return$utf8; |
case2: |
// Return a UTF-16 character from a 2-byte UTF-8 char; |
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
returnchr(0x07& (ord($utf8{0}) >>2)) .chr((0xC0& (ord($utf8{0}) <<6)) | (0x3F&ord($utf8{1}))); |
case3: |
// Return a UTF-16 character from a 3-byte UTF-8 char; |
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 |
returnchr((0xF0& (ord($utf8{0}) <<4)) |
| (0x0F& (ord($utf8{1}) >>2))) .chr((0xC0& (ord($utf8{1}) <<6)) |
| (0x7F&ord($utf8{2}))); |
} |
// ignoring UTF-32 for now, sorry |
return''; |
} |
} |
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Active6 years ago
We have a website maintained by an old employee and it appears it's encoded by Zend Guard including all backups.
I know a little about Zend Optimizer, but never considered it for source protection as I know in the end the bytecode will need to be decoded for the interpreter, and was sure people easily decode optimized files using some software.
![How to decode php files that encoded by zend encoder circuit malfunction How to decode php files that encoded by zend encoder circuit malfunction](/uploads/1/2/6/0/126090061/105660016.jpg)
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Charles46.5k1212 gold badges9090 silver badges127127 bronze badges
SuperDuckSuperDuck1,40211 gold badge1313 silver badges2323 bronze badges
2 Answers
The entire point of the very expensive software tool Zend Guard is to encrypt code so that it can not be decoded. That is the point.
If obfuscation is not on, then there is a possibility that you may be able to get a professional to get the code back, less comments and formatting by means of hacking the code engine. If obfuscation is on, then it's easier to rewrite it to be honest.
Have a read of this article from the Zend site, I know it is a biased source but they are right: http://forums.zend.com/viewtopic.php?f=57&t=2242
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OrblingOrbling18.5k33 gold badges4545 silver badges6161 bronze badges
Free tools all over the place can do this now:
adamadam
How To Decode Php Files That Encoded By Zend Encoder Circuit Diagram
protected by Community♦Sep 1 '13 at 23:17
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