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2026-03-07 11:19:25 +08:00
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<?php
if ( !class_exists( 'Services_JSON' ) ) :
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Converts to and from JSON format.
*
* JSON (JavaScript Object Notation) is a lightweight data-interchange
* format. It is easy for humans to read and write. It is easy for machines
* to parse and generate. It is based on a subset of the JavaScript
* Programming Language, Standard ECMA-262 3rd Edition - December 1999.
* This feature can also be found in Python. JSON is a text format that is
* completely language independent but uses conventions that are familiar
* to programmers of the C-family of languages, including C, C++, C#, Java,
* JavaScript, Perl, TCL, and many others. These properties make JSON an
* ideal data-interchange language.
*
* This package provides a simple encoder and decoder for JSON notation. It
* is intended for use with client-side Javascript applications that make
* use of HTTPRequest to perform server communication functions - data can
* be encoded into JSON notation for use in a client-side javascript, or
* decoded from incoming Javascript requests. JSON format is native to
* Javascript, and can be directly eval()'ed with no further parsing
* overhead
*
* All strings should be in ASCII or UTF-8 format!
*
* LICENSE: Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met: Redistributions of source code must retain the
* above copyright notice, this list of conditions and the following
* disclaimer. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* @category
* @package Services_JSON
* @author Michal Migurski <mike-json@teczno.com>
* @author Matt Knapp <mdknapp[at]gmail[dot]com>
* @author Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
* @copyright 2005 Michal Migurski
* @version CVS: $Id: JSON.php 288200 2009-09-09 15:41:29Z alan_k $
* @license http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=198
*/
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define('SERVICES_JSON_SLICE', 1);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define('SERVICES_JSON_IN_STR', 2);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define('SERVICES_JSON_IN_ARR', 3);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define('SERVICES_JSON_IN_OBJ', 4);
/**
* Marker constant for Services_JSON::decode(), used to flag stack state
*/
define('SERVICES_JSON_IN_CMT', 5);
/**
* Behavior switch for Services_JSON::decode()
*/
define('SERVICES_JSON_LOOSE_TYPE', 16);
/**
* Behavior switch for Services_JSON::decode()
*/
define('SERVICES_JSON_SUPPRESS_ERRORS', 32);
/**
* Converts to and from JSON format.
*
* Brief example of use:
*
* <code>
* // create a new instance of Services_JSON
* $json = new Services_JSON();
*
* // convert a complexe value to JSON notation, and send it to the browser
* $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
* $output = $json->encode($value);
*
* print($output);
* // prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
*
* // accept incoming POST data, assumed to be in JSON notation
* $input = file_get_contents('php://input', 1000000);
* $value = $json->decode($input);
* </code>
*/
class Services_JSON
{
/**
* constructs a new JSON instance
*
* @param int $use object behavior flags; combine with boolean-OR
*
* possible values:
* - SERVICES_JSON_LOOSE_TYPE: loose typing.
* "{...}" syntax creates associative arrays
* instead of objects in decode().
* - SERVICES_JSON_SUPPRESS_ERRORS: error suppression.
* Values which can't be encoded (e.g. resources)
* appear as NULL instead of throwing errors.
* By default, a deeply-nested resource will
* bubble up with an error, so all return values
* from encode() should be checked with isError()
*/
function Services_JSON($use = 0)
{
$this->use = $use;
}
/**
* convert a string from one UTF-16 char to one UTF-8 char
*
* Normally should be handled by mb_convert_encoding, but
* provides a slower PHP-only method for installations
* that lack the multibye string extension.
*
* @param string $utf16 UTF-16 character
* @return string UTF-8 character
* @access private
*/
function utf162utf8($utf16)
{
// oh please oh please oh please oh please oh please
if(function_exists('mb_convert_encoding')) {
return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
}
$bytes = (ord($utf16[0]) << 8) | ord($utf16[1]);
switch(true) {
case ((0x7F & $bytes) == $bytes):
// 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 chr(0x7F & $bytes);
case (0x07FF & $bytes) == $bytes:
// return a 2-byte UTF-8 character
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return chr(0xC0 | (($bytes >> 6) & 0x1F))
. chr(0x80 | ($bytes & 0x3F));
case (0xFFFF & $bytes) == $bytes:
// return a 3-byte UTF-8 character
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return chr(0xE0 | (($bytes >> 12) & 0x0F))
. chr(0x80 | (($bytes >> 6) & 0x3F))
. chr(0x80 | ($bytes & 0x3F));
}
// ignoring UTF-32 for now, sorry
return '';
}
/**
* 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 multibye string extension.
*
* @param string $utf8 UTF-8 character
* @return string UTF-16 character
* @access private
*/
function utf82utf16($utf8)
{
// oh please oh please oh please oh please oh please
if(function_exists('mb_convert_encoding')) {
return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
}
switch(strlen($utf8)) {
case 1:
// 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 $utf8;
case 2:
// return a UTF-16 character from a 2-byte UTF-8 char
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return chr(0x07 & (ord($utf8[0]) >> 2))
. chr((0xC0 & (ord($utf8[0]) << 6))
| (0x3F & ord($utf8[1])));
case 3:
// return a UTF-16 character from a 3-byte UTF-8 char
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
return chr((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 '';
}
/**
* encodes an arbitrary variable into JSON format (and sends JSON Header)
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a strng, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function encode($var)
{
header('Content-type: application/json');
return $this->_encode($var);
}
/**
* encodes an arbitrary variable into JSON format without JSON Header - warning - may allow CSS!!!!)
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a strng, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function encodeUnsafe($var)
{
return $this->_encode($var);
}
/**
* PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format
*
* @param mixed $var any number, boolean, string, array, or object to be encoded.
* see argument 1 to Services_JSON() above for array-parsing behavior.
* if var is a strng, note that encode() always expects it
* to be in ASCII or UTF-8 format!
*
* @return mixed JSON string representation of input var or an error if a problem occurs
* @access public
*/
function _encode($var)
{
switch (gettype($var)) {
case 'boolean':
return $var ? 'true' : 'false';
case 'NULL':
return 'null';
case 'integer':
return (int) $var;
case 'double':
case 'float':
return (float) $var;
case 'string':
// STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
$ascii = '';
$strlen_var = strlen($var);
/*
* Iterate over every character in the string,
* escaping with a slash or encoding to UTF-8 where necessary
*/
for ($c = 0; $c < $strlen_var; ++$c) {
$ord_var_c = ord($var[$c]);
switch (true) {
case $ord_var_c == 0x08:
$ascii .= '\b';
break;
case $ord_var_c == 0x09:
$ascii .= '\t';
break;
case $ord_var_c == 0x0A:
$ascii .= '\n';
break;
case $ord_var_c == 0x0C:
$ascii .= '\f';
break;
case $ord_var_c == 0x0D:
$ascii .= '\r';
break;
case $ord_var_c == 0x22:
case $ord_var_c == 0x2F:
case $ord_var_c == 0x5C:
// double quote, slash, slosh
$ascii .= '\\'.$var[$c];
break;
case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
// characters U-00000000 - U-0000007F (same as ASCII)
$ascii .= $var[$c];
break;
case (($ord_var_c & 0xE0) == 0xC0):
// characters U-00000080 - U-000007FF, mask 110XXXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
if ($c+1 >= $strlen_var) {
$c += 1;
$ascii .= '?';
break;
}
$char = pack('C*', $ord_var_c, ord($var[$c + 1]));
$c += 1;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
case (($ord_var_c & 0xF0) == 0xE0):
if ($c+2 >= $strlen_var) {
$c += 2;
$ascii .= '?';
break;
}
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$char = pack('C*', $ord_var_c,
@ord($var[$c + 1]),
@ord($var[$c + 2]));
$c += 2;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
case (($ord_var_c & 0xF8) == 0xF0):
if ($c+3 >= $strlen_var) {
$c += 3;
$ascii .= '?';
break;
}
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$char = pack('C*', $ord_var_c,
ord($var[$c + 1]),
ord($var[$c + 2]),
ord($var[$c + 3]));
$c += 3;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
case (($ord_var_c & 0xFC) == 0xF8):
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
if ($c+4 >= $strlen_var) {
$c += 4;
$ascii .= '?';
break;
}
$char = pack('C*', $ord_var_c,
ord($var[$c + 1]),
ord($var[$c + 2]),
ord($var[$c + 3]),
ord($var[$c + 4]));
$c += 4;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
case (($ord_var_c & 0xFE) == 0xFC):
if ($c+5 >= $strlen_var) {
$c += 5;
$ascii .= '?';
break;
}
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$char = pack('C*', $ord_var_c,
ord($var[$c + 1]),
ord($var[$c + 2]),
ord($var[$c + 3]),
ord($var[$c + 4]),
ord($var[$c + 5]));
$c += 5;
$utf16 = $this->utf82utf16($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
}
}
return '"'.$ascii.'"';
case 'array':
/*
* As per JSON spec if any array key is not an integer
* we must treat the the whole array as an object. We
* also try to catch a sparsely populated associative
* array with numeric keys here because some JS engines
* will create an array with empty indexes up to
* max_index which can cause memory issues and because
* the keys, which may be relevant, will be remapped
* otherwise.
*
* As per the ECMA and JSON specification an object may
* have any string as a property. Unfortunately due to
* a hole in the ECMA specification if the key is a
* ECMA reserved word or starts with a digit the
* parameter is only accessible using ECMAScript's
* bracket notation.
*/
// treat as a JSON object
if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
$properties = array_map(array($this, 'name_value'),
array_keys($var),
array_values($var));
foreach($properties as $property) {
if(Services_JSON::isError($property)) {
return $property;
}
}
return '{' . join(',', $properties) . '}';
}
// treat it like a regular array
$elements = array_map(array($this, '_encode'), $var);
foreach($elements as $element) {
if(Services_JSON::isError($element)) {
return $element;
}
}
return '[' . join(',', $elements) . ']';
case 'object':
$vars = get_object_vars($var);
$properties = array_map(array($this, 'name_value'),
array_keys($vars),
array_values($vars));
foreach($properties as $property) {
if(Services_JSON::isError($property)) {
return $property;
}
}
return '{' . join(',', $properties) . '}';
default:
return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
? 'null'
: new Services_JSON_Error(gettype($var)." can not be encoded as JSON string");
}
}
/**
* array-walking function for use in generating JSON-formatted name-value pairs
*
* @param string $name name of key to use
* @param mixed $value reference to an array element to be encoded
*
* @return string JSON-formatted name-value pair, like '"name":value'
* @access private
*/
function name_value($name, $value)
{
$encoded_value = $this->_encode($value);
if(Services_JSON::isError($encoded_value)) {
return $encoded_value;
}
return $this->_encode(strval($name)) . ':' . $encoded_value;
}
/**
* reduce a string by removing leading and trailing comments and whitespace
*
* @param $str string string value to strip of comments and whitespace
*
* @return string string value stripped of comments and whitespace
* @access private
*/
function reduce_string($str)
{
$str = preg_replace(array(
// eliminate single line comments in '// ...' form
'#^\s*//(.+)$#m',
// eliminate multi-line comments in '/* ... */' form, at start of string
'#^\s*/\*(.+)\*/#Us',
// eliminate multi-line comments in '/* ... */' form, at end of string
'#/\*(.+)\*/\s*$#Us'
), '', $str);
// eliminate extraneous space
return trim($str);
}
/**
* decodes a JSON string into appropriate variable
*
* @param string $str JSON-formatted string
*
* @return mixed number, boolean, string, array, or object
* corresponding to given JSON input string.
* See argument 1 to Services_JSON() above for object-output behavior.
* Note that decode() always returns strings
* in ASCII or UTF-8 format!
* @access public
*/
function decode($str)
{
$str = $this->reduce_string($str);
switch (strtolower($str)) {
case 'true':
return true;
case 'false':
return false;
case 'null':
return null;
default:
$m = array();
if (is_numeric($str)) {
// Lookie-loo, it's a number
// This would work on its own, but I'm trying to be
// good about returning integers where appropriate:
// return (float)$str;
// Return float or int, as appropriate
return ((float)$str == (integer)$str)
? (integer)$str
: (float)$str;
} elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {
// STRINGS RETURNED IN UTF-8 FORMAT
$delim = substr($str, 0, 1);
$chrs = substr($str, 1, -1);
$utf8 = '';
$strlen_chrs = strlen($chrs);
for ($c = 0; $c < $strlen_chrs; ++$c) {
$substr_chrs_c_2 = substr($chrs, $c, 2);
$ord_chrs_c = ord($chrs[$c]);
switch (true) {
case $substr_chrs_c_2 == '\b':
$utf8 .= chr(0x08);
++$c;
break;
case $substr_chrs_c_2 == '\t':
$utf8 .= chr(0x09);
++$c;
break;
case $substr_chrs_c_2 == '\n':
$utf8 .= chr(0x0A);
++$c;
break;
case $substr_chrs_c_2 == '\f':
$utf8 .= chr(0x0C);
++$c;
break;
case $substr_chrs_c_2 == '\r':
$utf8 .= chr(0x0D);
++$c;
break;
case $substr_chrs_c_2 == '\\"':
case $substr_chrs_c_2 == '\\\'':
case $substr_chrs_c_2 == '\\\\':
case $substr_chrs_c_2 == '\\/':
if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
($delim == "'" && $substr_chrs_c_2 != '\\"')) {
$utf8 .= $chrs[++$c];
}
break;
case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
// single, escaped unicode character
$utf16 = chr(hexdec(substr($chrs, ($c + 2), 2)))
. chr(hexdec(substr($chrs, ($c + 4), 2)));
$utf8 .= $this->utf162utf8($utf16);
$c += 5;
break;
case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
$utf8 .= $chrs[$c];
break;
case ($ord_chrs_c & 0xE0) == 0xC0:
// characters U-00000080 - U-000007FF, mask 110XXXXX
//see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 2);
++$c;
break;
case ($ord_chrs_c & 0xF0) == 0xE0:
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 3);
$c += 2;
break;
case ($ord_chrs_c & 0xF8) == 0xF0:
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 4);
$c += 3;
break;
case ($ord_chrs_c & 0xFC) == 0xF8:
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 5);
$c += 4;
break;
case ($ord_chrs_c & 0xFE) == 0xFC:
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 6);
$c += 5;
break;
}
}
return $utf8;
} elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
// array, or object notation
if ($str[0] == '[') {
$stk = array(SERVICES_JSON_IN_ARR);
$arr = array();
} else {
if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$stk = array(SERVICES_JSON_IN_OBJ);
$obj = array();
} else {
$stk = array(SERVICES_JSON_IN_OBJ);
$obj = new stdClass();
}
}
array_push($stk, array('what' => SERVICES_JSON_SLICE,
'where' => 0,
'delim' => false));
$chrs = substr($str, 1, -1);
$chrs = $this->reduce_string($chrs);
if ($chrs == '') {
if (reset($stk) == SERVICES_JSON_IN_ARR) {
return $arr;
} else {
return $obj;
}
}
//print("\nparsing {$chrs}\n");
$strlen_chrs = strlen($chrs);
for ($c = 0; $c <= $strlen_chrs; ++$c) {
$top = end($stk);
$substr_chrs_c_2 = substr($chrs, $c, 2);
if (($c == $strlen_chrs) || (($chrs[$c] == ',') && ($top['what'] == SERVICES_JSON_SLICE))) {
// found a comma that is not inside a string, array, etc.,
// OR we've reached the end of the character list
$slice = substr($chrs, $top['where'], ($c - $top['where']));
array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
//print("Found split at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
if (reset($stk) == SERVICES_JSON_IN_ARR) {
// we are in an array, so just push an element onto the stack
array_push($arr, $this->decode($slice));
} elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
// we are in an object, so figure
// out the property name and set an
// element in an associative array,
// for now
$parts = array();
if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
// "name":value pair
$key = $this->decode($parts[1]);
$val = $this->decode($parts[2]);
if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$obj[$key] = $val;
} else {
$obj->$key = $val;
}
} elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
// name:value pair, where name is unquoted
$key = $parts[1];
$val = $this->decode($parts[2]);
if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
$obj[$key] = $val;
} else {
$obj->$key = $val;
}
}
}
} elseif ((($chrs[$c] == '"') || ($chrs[$c] == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) {
// found a quote, and we are not inside a string
array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs[$c]));
//print("Found start of string at {$c}\n");
} elseif (($chrs[$c] == $top['delim']) &&
($top['what'] == SERVICES_JSON_IN_STR) &&
((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) {
// found a quote, we're in a string, and it's not escaped
// we know that it's not escaped becase there is _not_ an
// odd number of backslashes at the end of the string so far
array_pop($stk);
//print("Found end of string at {$c}: ".substr($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n");
} elseif (($chrs[$c] == '[') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
// found a left-bracket, and we are in an array, object, or slice
array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false));
//print("Found start of array at {$c}\n");
} elseif (($chrs[$c] == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) {
// found a right-bracket, and we're in an array
array_pop($stk);
//print("Found end of array at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
} elseif (($chrs[$c] == '{') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
// found a left-brace, and we are in an array, object, or slice
array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false));
//print("Found start of object at {$c}\n");
} elseif (($chrs[$c] == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) {
// found a right-brace, and we're in an object
array_pop($stk);
//print("Found end of object at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
} elseif (($substr_chrs_c_2 == '/*') &&
in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
// found a comment start, and we are in an array, object, or slice
array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false));
$c++;
//print("Found start of comment at {$c}\n");
} elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) {
// found a comment end, and we're in one now
array_pop($stk);
$c++;
for ($i = $top['where']; $i <= $c; ++$i)
$chrs = substr_replace($chrs, ' ', $i, 1);
//print("Found end of comment at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
}
}
if (reset($stk) == SERVICES_JSON_IN_ARR) {
return $arr;
} elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
return $obj;
}
}
}
}
/**
* @todo Ultimately, this should just call PEAR::isError()
*/
function isError($data, $code = null)
{
if (class_exists('pear')) {
return PEAR::isError($data, $code);
} elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
is_subclass_of($data, 'services_json_error'))) {
return true;
}
return false;
}
}
if (class_exists('PEAR_Error')) {
class Services_JSON_Error extends PEAR_Error
{
function Services_JSON_Error($message = 'unknown error', $code = null,
$mode = null, $options = null, $userinfo = null)
{
parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
}
}
} else {
/**
* @todo Ultimately, this class shall be descended from PEAR_Error
*/
class Services_JSON_Error
{
function Services_JSON_Error($message = 'unknown error', $code = null,
$mode = null, $options = null, $userinfo = null)
{
}
}
}
endif;
/**
* 为了兼容低版本的php而增加的函数集
* json从5.2.0开始支持，wordpress 2.9开始提供json函数的兼容性代码
*/
if ( !function_exists('json_encode') ) {
function json_encode( $string ) {
global $wp_json;
if ( !is_a($wp_json, 'Services_JSON') ) {
$wp_json = new Services_JSON();
}
return $wp_json->encodeUnsafe( $string );
}
}
if ( !function_exists('json_decode') ) {
function json_decode( $string, $assoc_array = false ) {
global $wp_json;
if ( !is_a($wp_json, 'Services_JSON') ) {
$wp_json = new Services_JSON();
}
$res = $wp_json->decode( $string );
if ( $assoc_array )
$res = _json_decode_object_helper( $res );
return $res;
}
function _json_decode_object_helper($data) {
if ( is_object($data) )
$data = get_object_vars($data);
return is_array($data) ? array_map(__FUNCTION__, $data) : $data;
}
}

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AppStore/libs/exceptions.php Normal file
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<?php
class JsonableException extends Exception {
public function responseJson()
{
header('Content-Type: application/json');
echo json_encode(array(
'status' => false,
'error' => $this->getMessage(),
));
}
}
class VersionNotMatchException extends JsonableException{}
class DownloadErrorException extends JsonableException{}
class UnzipErrorException extends JsonableException{}

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AppStore/libs/unzip.php Normal file
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<?php
/**
* UnZip Class
*
* This class is based on a library I found at PHPClasses:
* http://phpclasses.org/package/2495-PHP-Pack-and-unpack-files-packed-in-ZIP-archives.html
*
* The original library is a little rough around the edges so I
* refactored it and added several additional methods -- Phil Sturgeon
*
* This class requires extension ZLib Enabled.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Encryption
* @author Alexandre Tedeschi
* @author Phil Sturgeon
* @author Don Myers
* @link http://bitbucket.org/philsturgeon/codeigniter-unzip
* @license
* @version 1.0.0
*/
class Unzip {
private $compressed_list = array();
// List of files in the ZIP
private $central_dir_list = array();
// Central dir list... It's a kind of 'extra attributes' for a set of files
private $end_of_central = array();
// End of central dir, contains ZIP Comments
private $info = array();
private $error = array();
private $_zip_file = '';
private $_target_dir = FALSE;
private $apply_chmod = 0777;
private $fh;
private $zip_signature = "\x50\x4b\x03\x04";
// local file header signature
private $dir_signature = "\x50\x4b\x01\x02";
// central dir header signature
private $central_signature_end = "\x50\x4b\x05\x06";
// ignore these directories (useless meta data)
private $_skip_dirs = array('__MACOSX');
private $_allow_extensions = NULL; // What is allowed out of the zip
// --------------------------------------------------------------------
/**
* Constructor
*
* @access Public
* @internal param $string
* @return \Unzip
*/
function __construct()
{
define('FILE_READ_MODE', 0644);
define('FILE_WRITE_MODE', 0666);
define('DIR_READ_MODE', 0755);
define('DIR_WRITE_MODE', 0777);
}
// --------------------------------------------------------------------
/**
* re inizilize all variables
* @access Private
* @param none
* @return none
*/
private function _reinit()
{
$this->compressed_list = array();
$this->central_dir_list = array();
$this->end_of_central = array();
$this->info = array();
$this->error = array();
}
/**
* Unzip all files in archive.
*
* @access Public
* @param $zip_file
* @param null $target_dir
* @param bool $preserve_filepath
* @internal param $none
* @return none
*/
public function extract($zip_file, $target_dir = NULL, $preserve_filepath = TRUE)
{
$this->_reinit();
$this->_zip_file = $zip_file;
$this->_target_dir = $target_dir ? $target_dir : dirname($this->_zip_file);
if ( ! $files = $this->_list_files())
{
$this->set_error('ZIP folder was empty.');
return FALSE;
}
$file_locations = array();
foreach ($files as $file => $trash)
{
$dirname = pathinfo($file, PATHINFO_DIRNAME);
$extension = pathinfo($file, PATHINFO_EXTENSION);
$folders = explode('/', $dirname);
$out_dn = $this->_target_dir . '/' . $dirname;
// Skip stuff in stupid folders
if (in_array(current($folders), $this->_skip_dirs))
{
continue;
}
// Skip any files that are not allowed
if (is_array($this->_allow_extensions) AND $extension AND ! in_array($extension, $this->_allow_extensions))
{
continue;
}
if ( ! is_dir($out_dn) AND $preserve_filepath)
{
$str = "";
foreach ($folders as $folder)
{
$str = $str ? $str . '/' . $folder : $folder;
if ( ! is_dir($this->_target_dir . '/' . $str))
{
$this->set_debug('Creating folder: ' . $this->_target_dir . '/' . $str);
if ( ! @mkdir($this->_target_dir . '/' . $str))
{
$this->set_error('Desitnation path is not writable.');
return FALSE;
}
// Apply chmod if configured to do so
$this->apply_chmod AND chmod($this->_target_dir . '/' . $str, $this->apply_chmod);
}
}
}
if (substr($file, -1, 1) == '/') continue;
$file_locations[] = $file_location = $this->_target_dir . '/' . ($preserve_filepath ? $file : basename($file));
$this->_extract_file($file, $file_location);
}
$this->compressed_list = array();
return $file_locations;
}
// --------------------------------------------------------------------
/**
* What extensions do we want out of this ZIP
*
* @access Public
* @param none
* @return none
*/
public function allow($ext = NULL)
{
$this->_allow_extensions = $ext;
}
// --------------------------------------------------------------------
/**
* Show error messages
*
* @access public
* @param string $open
* @param string $close
* @internal param $string
* @return string
*/
public function error_string($open = '<p>', $close = '</p>')
{
return $open . implode($close . $open, $this->error) . $close;
}
// --------------------------------------------------------------------
/**
* Show debug messages
*
* @access public
* @param string $open
* @param string $close
* @internal param $string
* @return string
*/
public function debug_string($open = '<p>', $close = '</p>')
{
return $open . implode($close . $open, $this->info) . $close;
}
// --------------------------------------------------------------------
/**
* Save errors
*
* @access Private
* @param string
* @return none
*/
function set_error($string)
{
$this->error[] = $string;
}
// --------------------------------------------------------------------
/**
* Save debug data
*
* @access Private
* @param string
* @return none
*/
function set_debug($string)
{
$this->info[] = $string;
}
// --------------------------------------------------------------------
/**
* List all files in archive.
*
* @access Public
* @param boolean
* @return mixed
*/
private function _list_files($stop_on_file = FALSE)
{
if (sizeof($this->compressed_list))
{
$this->set_debug('Returning already loaded file list.');
return $this->compressed_list;
}
// Open file, and set file handler
$fh = fopen($this->_zip_file, 'r');
$this->fh = &$fh;
if ( ! $fh)
{
$this->set_error('Failed to load file: ' . $this->_zip_file);
return FALSE;
}
$this->set_debug('Loading list from "End of Central Dir" index list...');
if ( ! $this->_load_file_list_by_eof($fh, $stop_on_file))
{
$this->set_debug('Failed! Trying to load list looking for signatures...');
if ( ! $this->_load_files_by_signatures($fh, $stop_on_file))
{
$this->set_debug('Failed! Could not find any valid header.');
$this->set_error('ZIP File is corrupted or empty');
return FALSE;
}
}
return $this->compressed_list;
}
// --------------------------------------------------------------------
/**
* Unzip file in archive.
*
* @access Public
* @param string , boolean
* @param bool $target_file_name
* @return Unziped file.
*/
private function _extract_file($compressed_file_name, $target_file_name = FALSE)
{
if ( ! sizeof($this->compressed_list))
{
$this->set_debug('Trying to unzip before loading file list... Loading it!');
$this->_list_files(FALSE, $compressed_file_name);
}
$fdetails = &$this->compressed_list[$compressed_file_name];
if ( ! isset($this->compressed_list[$compressed_file_name]))
{
$this->set_error('File "<strong>$compressed_file_name</strong>" is not compressed in the zip.');
return FALSE;
}
if (substr($compressed_file_name, -1) == '/')
{
$this->set_error('Trying to unzip a folder name "<strong>$compressed_file_name</strong>".');
return FALSE;
}
if ( ! $fdetails['uncompressed_size'])
{
$this->set_debug('File "<strong>$compressed_file_name</strong>" is empty.');
return $target_file_name ? file_put_contents($target_file_name, '') : '';
}
fseek($this->fh, $fdetails['contents_start_offset']);
$ret = $this->_uncompress(
fread($this->fh, $fdetails['compressed_size']),
$fdetails['compression_method'],
$fdetails['uncompressed_size'],
$target_file_name
);
if ($this->apply_chmod AND $target_file_name)
{
chmod($target_file_name, FILE_READ_MODE);
}
return $ret;
}
// --------------------------------------------------------------------
/**
* Free the file resource.
*
* @access Public
* @param none
* @return none
*/
public function close()
{
// Free the file resource
if ($this->fh)
{
fclose($this->fh);
}
}
// --------------------------------------------------------------------
/**
* Free the file resource Automatic destroy.
*
* @access Public
* @param none
* @return none
*/
public function __destroy()
{
$this->close();
}
// --------------------------------------------------------------------
/**
* Uncompress file. And save it to the targetFile.
*
* @access Private
* @param $content
* @param $mode
* @param $uncompressed_size
* @param bool $target_file_name
* @internal param $Filecontent , int, int, boolean
* @return none
*/
private function _uncompress($content, $mode, $uncompressed_size, $target_file_name = FALSE)
{
switch ($mode)
{
case 0:
return $target_file_name ? file_put_contents($target_file_name, $content) : $content;
case 1:
$this->set_error('Shrunk mode is not supported... yet?');
return FALSE;
case 2:
case 3:
case 4:
case 5:
$this->set_error('Compression factor ' . ($mode - 1) . ' is not supported... yet?');
return FALSE;
case 6:
$this->set_error('Implode is not supported... yet?');
return FALSE;
case 7:
$this->set_error('Tokenizing compression algorithm is not supported... yet?');
return FALSE;
case 8:
// Deflate
return $target_file_name ?
file_put_contents($target_file_name, gzinflate($content, $uncompressed_size)) :
gzinflate($content, $uncompressed_size);
case 9:
$this->set_error('Enhanced Deflating is not supported... yet?');
return FALSE;
case 10:
$this->set_error('PKWARE Date Compression Library Impoloding is not supported... yet?');
return FALSE;
case 12:
// Bzip2
return $target_file_name ?
file_put_contents($target_file_name, bzdecompress($content)) :
bzdecompress($content);
case 18:
$this->set_error('IBM TERSE is not supported... yet?');
return FALSE;
default:
$this->set_error('Unknown uncompress method: $mode');
return FALSE;
}
}
private function _load_file_list_by_eof(&$fh, $stop_on_file = FALSE)
{
// Check if there's a valid Central Dir signature.
// Let's consider a file comment smaller than 1024 characters...
// Actually, it length can be 65536.. But we're not going to support it.
for ($x = 0; $x < 1024; $x++)
{
fseek($fh, -22 - $x, SEEK_END);
$signature = fread($fh, 4);
if ($signature == $this->central_signature_end)
{
// If found EOF Central Dir
$eodir['disk_number_this'] = unpack("v", fread($fh, 2)); // number of this disk
$eodir['disk_number'] = unpack("v", fread($fh, 2)); // number of the disk with the start of the central directory
$eodir['total_entries_this'] = unpack("v", fread($fh, 2)); // total number of entries in the central dir on this disk
$eodir['total_entries'] = unpack("v", fread($fh, 2)); // total number of entries in
$eodir['size_of_cd'] = unpack("V", fread($fh, 4)); // size of the central directory
$eodir['offset_start_cd'] = unpack("V", fread($fh, 4)); // offset of start of central directory with respect to the starting disk number
$zip_comment_lenght = unpack("v", fread($fh, 2)); // zipfile comment length
$eodir['zipfile_comment'] = $zip_comment_lenght[1] ? fread($fh, $zip_comment_lenght[1]) : ''; // zipfile comment
$this->end_of_central = array(
'disk_number_this' => $eodir['disk_number_this'][1],
'disk_number' => $eodir['disk_number'][1],
'total_entries_this' => $eodir['total_entries_this'][1],
'total_entries' => $eodir['total_entries'][1],
'size_of_cd' => $eodir['size_of_cd'][1],
'offset_start_cd' => $eodir['offset_start_cd'][1],
'zipfile_comment' => $eodir['zipfile_comment'],
);
// Then, load file list
fseek($fh, $this->end_of_central['offset_start_cd']);
$signature = fread($fh, 4);
while ($signature == $this->dir_signature)
{
$dir['version_madeby'] = unpack("v", fread($fh, 2)); // version made by
$dir['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract
$dir['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag
$dir['compression_method'] = unpack("v", fread($fh, 2)); // compression method
$dir['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time
$dir['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date
$dir['crc-32'] = fread($fh, 4); // crc-32
$dir['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size
$dir['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size
$zip_file_length = unpack("v", fread($fh, 2)); // filename length
$extra_field_length = unpack("v", fread($fh, 2)); // extra field length
$fileCommentLength = unpack("v", fread($fh, 2)); // file comment length
$dir['disk_number_start'] = unpack("v", fread($fh, 2)); // disk number start
$dir['internal_attributes'] = unpack("v", fread($fh, 2)); // internal file attributes-byte1
$dir['external_attributes1'] = unpack("v", fread($fh, 2)); // external file attributes-byte2
$dir['external_attributes2'] = unpack("v", fread($fh, 2)); // external file attributes
$dir['relative_offset'] = unpack("V", fread($fh, 4)); // relative offset of local header
$dir['file_name'] = fread($fh, $zip_file_length[1]); // filename
$dir['extra_field'] = $extra_field_length[1] ? fread($fh, $extra_field_length[1]) : ''; // extra field
$dir['file_comment'] = $fileCommentLength[1] ? fread($fh, $fileCommentLength[1]) : ''; // file comment
// Convert the date and time, from MS-DOS format to UNIX Timestamp
$binary_mod_date = str_pad(decbin($dir['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
$binary_mod_time = str_pad(decbin($dir['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
$last_mod_year = bindec(substr($binary_mod_date, 0, 7)) + 1980;
$last_mod_month = bindec(substr($binary_mod_date, 7, 4));
$last_mod_day = bindec(substr($binary_mod_date, 11, 5));
$last_mod_hour = bindec(substr($binary_mod_time, 0, 5));
$last_mod_minute = bindec(substr($binary_mod_time, 5, 6));
$last_mod_second = bindec(substr($binary_mod_time, 11, 5));
$this->central_dir_list[$dir['file_name']] = array(
'version_madeby' => $dir['version_madeby'][1],
'version_needed' => $dir['version_needed'][1],
'general_bit_flag' => str_pad(decbin($dir['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT),
'compression_method' => $dir['compression_method'][1],
'lastmod_datetime' => mktime($last_mod_hour, $last_mod_minute, $last_mod_second, $last_mod_month, $last_mod_day, $last_mod_year),
'crc-32' => str_pad(dechex(ord($dir['crc-32'][3])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($dir['crc-32'][2])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($dir['crc-32'][1])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($dir['crc-32'][0])), 2, '0', STR_PAD_LEFT),
'compressed_size' => $dir['compressed_size'][1],
'uncompressed_size' => $dir['uncompressed_size'][1],
'disk_number_start' => $dir['disk_number_start'][1],
'internal_attributes' => $dir['internal_attributes'][1],
'external_attributes1' => $dir['external_attributes1'][1],
'external_attributes2' => $dir['external_attributes2'][1],
'relative_offset' => $dir['relative_offset'][1],
'file_name' => $dir['file_name'],
'extra_field' => $dir['extra_field'],
'file_comment' => $dir['file_comment'],
);
$signature = fread($fh, 4);
}
// If loaded centralDirs, then try to identify the offsetPosition of the compressed data.
if ($this->central_dir_list)
{
foreach ($this->central_dir_list as $filename => $details)
{
$i = $this->_get_file_header($fh, $details['relative_offset']);
$this->compressed_list[$filename]['file_name'] = $filename;
$this->compressed_list[$filename]['compression_method'] = $details['compression_method'];
$this->compressed_list[$filename]['version_needed'] = $details['version_needed'];
$this->compressed_list[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
$this->compressed_list[$filename]['crc-32'] = $details['crc-32'];
$this->compressed_list[$filename]['compressed_size'] = $details['compressed_size'];
$this->compressed_list[$filename]['uncompressed_size'] = $details['uncompressed_size'];
$this->compressed_list[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
$this->compressed_list[$filename]['extra_field'] = $i['extra_field'];
$this->compressed_list[$filename]['contents_start_offset'] = $i['contents_start_offset'];
if (strtolower($stop_on_file) == strtolower($filename))
{
break;
}
}
}
return TRUE;
}
}
return FALSE;
}
private function _load_files_by_signatures(&$fh, $stop_on_file = FALSE)
{
fseek($fh, 0);
$return = FALSE;
for (;;)
{
$details = $this->_get_file_header($fh);
if ( ! $details)
{
$this->set_debug('Invalid signature. Trying to verify if is old style Data Descriptor...');
fseek($fh, 12 - 4, SEEK_CUR); // 12: Data descriptor - 4: Signature (that will be read again)
$details = $this->_get_file_header($fh);
}
if ( ! $details)
{
$this->set_debug('Still invalid signature. Probably reached the end of the file.');
break;
}
$filename = $details['file_name'];
$this->compressed_list[$filename] = $details;
$return = true;
if (strtolower($stop_on_file) == strtolower($filename))
{
break;
}
}
return $return;
}
private function _get_file_header(&$fh, $start_offset = FALSE)
{
if ($start_offset !== FALSE)
{
fseek($fh, $start_offset);
}
$signature = fread($fh, 4);
if ($signature == $this->zip_signature)
{
// Get information about the zipped file
$file['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract
$file['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag
$file['compression_method'] = unpack("v", fread($fh, 2)); // compression method
$file['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time
$file['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date
$file['crc-32'] = fread($fh, 4); // crc-32
$file['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size
$file['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size
$zip_file_length = unpack("v", fread($fh, 2)); // filename length
$extra_field_length = unpack("v", fread($fh, 2)); // extra field length
$file['file_name'] = fread($fh, $zip_file_length[1]); // filename
$file['extra_field'] = $extra_field_length[1] ? fread($fh, $extra_field_length[1]) : ''; // extra field
$file['contents_start_offset'] = ftell($fh);
// Bypass the whole compressed contents, and look for the next file
fseek($fh, $file['compressed_size'][1], SEEK_CUR);
// Convert the date and time, from MS-DOS format to UNIX Timestamp
$binary_mod_date = str_pad(decbin($file['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
$binary_mod_time = str_pad(decbin($file['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
$last_mod_year = bindec(substr($binary_mod_date, 0, 7)) + 1980;
$last_mod_month = bindec(substr($binary_mod_date, 7, 4));
$last_mod_day = bindec(substr($binary_mod_date, 11, 5));
$last_mod_hour = bindec(substr($binary_mod_time, 0, 5));
$last_mod_minute = bindec(substr($binary_mod_time, 5, 6));
$last_mod_second = bindec(substr($binary_mod_time, 11, 5));
// Mount file table
$i = array(
'file_name' => $file['file_name'],
'compression_method' => $file['compression_method'][1],
'version_needed' => $file['version_needed'][1],
'lastmod_datetime' => mktime($last_mod_hour, $last_mod_minute, $last_mod_second, $last_mod_month, $last_mod_day, $last_mod_year),
'crc-32' => str_pad(dechex(ord($file['crc-32'][3])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($file['crc-32'][2])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($file['crc-32'][1])), 2, '0', STR_PAD_LEFT) .
str_pad(dechex(ord($file['crc-32'][0])), 2, '0', STR_PAD_LEFT),
'compressed_size' => $file['compressed_size'][1],
'uncompressed_size' => $file['uncompressed_size'][1],
'extra_field' => $file['extra_field'],
'general_bit_flag' => str_pad(decbin($file['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT),
'contents_start_offset' => $file['contents_start_offset']
);
return $i;
}
return FALSE;
}
}
/* End of file Unzip.php */
/* Location: ./system/libraries/Unzip.php */