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Imported Upstream version 3.2.0

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Mario Fetka
2017-05-22 11:24:21 +02:00
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libraries/pear/HTML/Template/IT.php Normal file
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<?php
/**
* Integrated Template - IT
*
* PHP version 4
*
* Copyright (c) 1997-2007 Ulf Wendel, Pierre-Alain Joye,
* David Soria Parra
*
* This source file is subject to the New BSD license, That is bundled
* with this package in the file LICENSE, and is available through
* the world-wide-web at
* http://www.opensource.org/licenses/bsd-license.php
* If you did not receive a copy of the new BSDlicense and are unable
* to obtain it through the world-wide-web, please send a note to
* pajoye@php.net so we can mail you a copy immediately.
*
* Author: Ulf Wendel <ulf.wendel@phpdoc.de>
* Pierre-Alain Joye <pajoye@php.net>
* David Soria Parra <dsp@php.net>
*
* @category HTML
* @package HTML_Template_IT
* @author Ulf Wendel <uw@netuse.de>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @version CVS: $Id: ITX.php 295086 2010-02-15 06:31:36Z clockwerx $
* @link http://pear.php.net/packages/HTML_Template_IT
* @access public
*/
require_once 'HTML/Template/IT.php';
require_once 'HTML/Template/IT_Error.php';
/**
* Integrated Template Extension - ITX
*
* With this class you get the full power of the phplib template class.
* You may have one file with blocks in it but you have as well one main file
* and multiple files one for each block. This is quite usefull when you have
* user configurable websites. Using blocks not in the main template allows
* you to modify some parts of your layout easily.
*
* Note that you can replace an existing block and add new blocks at runtime.
* Adding new blocks means changing a variable placeholder to a block.
*
* @category HTML
* @package HTML_Template_IT
* @author Ulf Wendel <uw@netuse.de>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/packages/HTML_Template_IT
* @access public
*/
class HTML_Template_ITX extends HTML_Template_IT
{
/**
* Array with all warnings.
* @var array
* @access public
* @see $printWarning, $haltOnWarning, warning()
*/
var $warn = array();
/**
* Print warnings?
* @var array
* @access public
* @see $haltOnWarning, $warn, warning()
*/
var $printWarning = false;
/**
* Call die() on warning?
* @var boolean
* @access public
* @see $warn, $printWarning, warning()
*/
var $haltOnWarning = false;
/**
* RegExp used to test for a valid blockname.
* @var string
* @access private
*/
var $checkblocknameRegExp = '';
/**
* Functionnameprefix used when searching function calls in the template.
* @var string
* @access public
*/
var $functionPrefix = 'func_';
/**
* Functionname RegExp.
* @var string
* @access public
*/
var $functionnameRegExp = '[_a-zA-Z]+[A-Za-z_0-9]*';
/**
* RegExp used to grep function calls in the template.
*
* The variable gets set by the constructor.
*
* @access private
* @var string
* @see HTML_Template_IT()
*/
var $functionRegExp = '';
/**
* List of functions found in the template.
*
* @access private
* @var array
*/
var $functions = array();
/**
* List of callback functions specified by the user.
*
* @access private
* @var array
*/
var $callback = array();
/**
* Builds some complex regexps and calls the constructor
* of the parent class.
*
* Make sure that you call this constructor if you derive your own
* template class from this one.
*
* @param string $root Root node?
*
* @access public
* @see HTML_Template_IT()
*/
function HTML_Template_ITX($root = '')
{
$this->checkblocknameRegExp = '@' . $this->blocknameRegExp . '@';
$this->functionRegExp = '@' . $this->functionPrefix . '(' .
$this->functionnameRegExp . ')\s*\(@sm';
$this->HTML_Template_IT($root);
} // end func constructor
/**
* Clears all datafields of the object and rebuild the internal blocklist
*
* LoadTemplatefile() and setTemplate() automatically call this function
* when a new template is given. Don't use this function
* unless you know what you're doing.
*
* @access private
* @return null
*/
function init()
{
$this->free();
$this->buildFunctionlist();
$this->findBlocks($this->template);
// we don't need it any more
$this->template = '';
$this->buildBlockvariablelist();
} // end func init
/**
* Replaces an existing block with new content.
*
* This function will replace a block of the template and all blocks
* contained in the replaced block and add a new block insted, means
* you can dynamically change your template.
*
* Note that changing the template structure violates one of the IT[X]
* development goals. I've tried to write a simple to use template engine
* supporting blocks. In contrast to other systems IT[X] analyses the way
* you've nested blocks and knows which block belongs into another block.
* The nesting information helps to make the API short and simple. Replacing
* blocks does not only mean that IT[X] has to update the nesting
* information (relatively time consumpting task) but you have to make sure
* that you do not get confused due to the template change itself.
*
* @param string $block Blockname
* @param string $template Blockcontent
* @param boolean $keep_content true if the new block inherits the content
* of the old block
*
* @return boolean
* @throws IT_Error
* @see replaceBlockfile(), addBlock(), addBlockfile()
* @access public
*/
function replaceBlock($block, $template, $keep_content = false)
{
if (!isset($this->blocklist[$block])) {
return new IT_Error("The block "."'$block'".
" does not exist in the template and thus it can't be replaced.",
__FILE__, __LINE__);
}
if ($template == '') {
return new IT_Error('No block content given.', __FILE__, __LINE__);
}
if ($keep_content) {
$blockdata = $this->blockdata[$block];
}
// remove all kinds of links to the block / data of the block
$this->removeBlockData($block);
$template = "<!-- BEGIN $block -->" . $template . "<!-- END $block -->";
$parents = $this->blockparents[$block];
$this->findBlocks($template);
$this->blockparents[$block] = $parents;
// KLUDGE: rebuild the list for all block - could be done faster
$this->buildBlockvariablelist();
if ($keep_content) {
$this->blockdata[$block] = $blockdata;
}
// old TODO - I'm not sure if we need this
// update caches
return true;
} // end func replaceBlock
/**
* Replaces an existing block with new content from a file.
*
* @param string $block Blockname
* @param string $filename Name of the file that contains the blockcontent
* @param boolean $keep_content true if the new block inherits the content of
* the old block
*
* @brother replaceBlock()
* @access public
* @return null
*/
function replaceBlockfile($block, $filename, $keep_content = false)
{
return $this->replaceBlock($block, $this->getFile($filename), $keep_content);
} // end func replaceBlockfile
/**
* Adds a block to the template changing a variable placeholder
* to a block placeholder.
*
* Add means "replace a variable placeholder by a new block".
* This is different to PHPLibs templates. The function loads a
* block, creates a handle for it and assigns it to a certain
* variable placeholder. To to the same with PHPLibs templates you would
* call set_file() to create the handle and parse() to assign the
* parsed block to a variable. By this PHPLibs templates assume
* that you tend to assign a block to more than one one placeholder.
* To assign a parsed block to more than only the placeholder you specify
* in this function you have to use a combination of getBlock()
* and setVariable().
*
* As no updates to cached data is necessary addBlock() and addBlockfile()
* are rather "cheap" meaning quick operations.
*
* The block content must not start with <!-- BEGIN blockname -->
* and end with <!-- END blockname --> this would cause overhead and
* produce an error.
*
* @param string $placeholder Name of the variable placeholder, the name
* must be unique within the template.
* @param string $blockname Name of the block to be added
* @param string $template Content of the block
*
* @return boolean
* @throws IT_Error
* @see addBlockfile()
* @access public
*/
function addBlock($placeholder, $blockname, $template)
{
// Don't trust any user even if it's a programmer or yourself...
if ($placeholder == '') {
return new IT_Error('No variable placeholder given.',
__FILE__, __LINE__);
} elseif ($blockname == '' ||
!preg_match($this->checkblocknameRegExp, $blockname)
) {
return new IT_Error("No or invalid blockname '$blockname' given.",
__FILE__, __LINE__);
} elseif ($template == '') {
return new IT_Error('No block content given.', __FILE__, __LINE__);
} elseif (isset($this->blocklist[$blockname])) {
return new IT_Error('The block already exists.',
__FILE__, __LINE__);
}
// find out where to insert the new block
$parents = $this->findPlaceholderBlocks($placeholder);
if (count($parents) == 0) {
return new IT_Error("The variable placeholder".
" '$placeholder' was not found in the template.",
__FILE__, __LINE__);
} elseif (count($parents) > 1) {
reset($parents);
while (list($k, $parent) = each($parents)) {
$msg .= "$parent, ";
}
$msg = substr($parent, -2);
return new IT_Error("The variable placeholder "."'$placeholder'".
" must be unique, found in multiple blocks '$msg'.",
__FILE__, __LINE__);
}
$template = "<!-- BEGIN $blockname -->"
. $template
. "<!-- END $blockname -->";
$this->findBlocks($template);
if ($this->flagBlocktrouble) {
return false; // findBlocks() already throws an exception
}
$this->blockinner[$parents[0]][] = $blockname;
$escblockname = '__' . $blockname . '__';
$this->blocklist[$parents[0]] = preg_replace(
'@' . $this->openingDelimiter . $placeholder .
$this->closingDelimiter . '@',
$this->openingDelimiter . $escblockname . $this->closingDelimiter,
$this->blocklist[$parents[0]]
);
$this->deleteFromBlockvariablelist($parents[0], $placeholder);
$this->updateBlockvariablelist($blockname);
return true;
} // end func addBlock
/**
* Adds a block taken from a file to the template changing a variable
* placeholder to a block placeholder.
*
* @param string $placeholder Name of the variable placeholder to be converted
* @param string $blockname Name of the block to be added
* @param string $filename File that contains the block
*
* @brother addBlock()
* @access public
* @return null
*/
function addBlockfile($placeholder, $blockname, $filename)
{
return $this->addBlock($placeholder, $blockname, $this->getFile($filename));
} // end func addBlockfile
/**
* Returns the name of the (first) block that contains
* the specified placeholder.
*
* @param string $placeholder Name of the placeholder you're searching
* @param string $block Name of the block to scan. If left out (default)
* all blocks are scanned.
*
* @return string Name of the (first) block that contains
* the specified placeholder.
* If the placeholder was not found or an error occured
* an empty string is returned.
* @throws IT_Error
* @access public
*/
function placeholderExists($placeholder, $block = '')
{
if ($placeholder == '') {
new IT_Error('No placeholder name given.', __FILE__, __LINE__);
return '';
}
if ($block != '' && !isset($this->blocklist[$block])) {
new IT_Error("Unknown block '$block'.", __FILE__, __LINE__);
return '';
}
// name of the block where the given placeholder was found
$found = '';
if ($block != '') {
if (is_array($variables = $this->blockvariables[$block])) {
// search the value in the list of blockvariables
reset($variables);
while (list($k, $variable) = each($variables)) {
if ($k == $placeholder) {
$found = $block;
break;
}
}
}
} else {
// search all blocks and return the name of the first block that
// contains the placeholder
reset($this->blockvariables);
while (list($blockname, $variables) = each($this->blockvariables)) {
if (is_array($variables) && isset($variables[$placeholder])) {
$found = $blockname;
break;
}
}
}
return $found;
} // end func placeholderExists
/**
* Checks the list of function calls in the template and
* calls their callback function.
*
* @access public
* @return null
*/
function performCallback()
{
reset($this->functions);
while (list($func_id, $function) = each($this->functions)) {
if (isset($this->callback[$function['name']])) {
if ($this->callback[$function['name']]['expandParameters']) {
$callFunction = 'call_user_func_array';
} else {
$callFunction = 'call_user_func';
}
if ($this->callback[$function['name']]['object'] != '') {
$call = $callFunction(
array(
&$GLOBALS[$this->callback[$function['name']]['object']],
$this->callback[$function['name']]['function']),
$function['args']);
} else {
$call = $callFunction(
$this->callback[$function['name']]['function'],
$function['args']);
}
$this->variableCache['__function' . $func_id . '__'] = $call;
}
}
} // end func performCallback
/**
* Returns a list of all function calls in the current template.
*
* @return array
* @access public
*/
function getFunctioncalls()
{
return $this->functions;
} // end func getFunctioncalls
/**
* Replaces a function call with the given replacement.
*
* @param int $functionID Function ID
* @param string $replacement Replacement
*
* @access public
* @deprecated
* @return null
*/
function setFunctioncontent($functionID, $replacement)
{
$this->variableCache['__function' . $functionID . '__'] = $replacement;
} // end func setFunctioncontent
/**
* Sets a callback function.
*
* IT[X] templates (note the X) can contain simple function calls.
* "function call" means that the editor of the template can add
* special placeholder to the template like 'func_h1("embedded in h1")'.
* IT[X] will grab this function calls and allow you to define a callback
* function for them.
*
* This is an absolutely evil feature. If your application makes heavy
* use of such callbacks and you're even implementing if-then etc. on
* the level of a template engine you're reiventing the wheel... - that's
* actually how PHP came into life. Anyway, sometimes it's handy.
*
* Consider also using XML/XSLT or native PHP. And please do not push
* IT[X] any further into this direction of adding logics to the template
* engine.
*
* For those of you ready for the X in IT[X]:
*
* <?php
* ...
* function h_one($args) {
* return sprintf('<h1>%s</h1>', $args[0]);
* }
*
* ...
* $itx = new HTML_Template_ITX(...);
* ...
* $itx->setCallbackFunction('h1', 'h_one');
* $itx->performCallback();
* ?>
*
* template:
* func_h1('H1 Headline');
*
* @param string $tplfunction Function name in the template
* @param string $callbackfunction Name of the callback function
* @param string $callbackobject Name of the callback object
* @param boolean $expandCallbackParameters If the callback is called with
* a list of parameters or with an
* array holding the parameters
*
* @return boolean False on failure.
* @throws IT_Error
* @access public
* @deprecated The $callbackobject parameter is depricated since
* version 1.2 and might be dropped in further versions.
*/
function setCallbackFunction($tplfunction, $callbackfunction,
$callbackobject = '',
$expandCallbackParameters = false) {
if ($tplfunction == '' || $callbackfunction == '') {
return new IT_Error("No template function "."('$tplfunction')".
" and/or no callback function ('$callback') given.",
__FILE__, __LINE__);
}
$this->callback[$tplfunction] = array(
'function' => $callbackfunction,
'object' => $callbackobject,
'expandParameters' => (boolean)
$expandCallbackParameters);
return true;
} // end func setCallbackFunction
/**
* Sets the Callback function lookup table
*
* @param array $functions function table
* array[templatefunction] =
* array(
* "function" => userfunction,
* "object" => userobject
* )
*
* @access public
* @return null
*/
function setCallbackFuntiontable($functions)
{
$this->callback = $functions;
} // end func setCallbackFunctiontable
/**
* Recursively removes all data assiciated with a block, including
* all inner blocks
*
* @param string $block block to be removed
*
* @return null
* @access private
*/
function removeBlockData($block)
{
if (isset($this->blockinner[$block])) {
foreach ($this->blockinner[$block] as $k => $inner) {
$this->removeBlockData($inner);
}
unset($this->blockinner[$block]);
}
unset($this->blocklist[$block]);
unset($this->blockdata[$block]);
unset($this->blockvariables[$block]);
unset($this->touchedBlocks[$block]);
} // end func removeBlockinner
/**
* Returns a list of blocknames in the template.
*
* @return array [blockname => blockname]
* @access public
* @see blockExists()
*/
function getBlocklist()
{
$blocklist = array();
foreach ($this->blocklist as $block => $content) {
$blocklist[$block] = $block;
}
return $blocklist;
} // end func getBlocklist
/**
* Checks wheter a block exists.
*
* @param string $blockname Blockname
*
* @return boolean
* @access public
* @see getBlocklist()
*/
function blockExists($blockname)
{
return isset($this->blocklist[$blockname]);
} // end func blockExists
/**
* Returns a list of variables of a block.
*
* @param string $block Blockname
*
* @return array [varname => varname]
* @access public
* @see BlockvariableExists()
*/
function getBlockvariables($block)
{
if (!isset($this->blockvariables[$block])) {
return array();
}
$variables = array();
foreach ($this->blockvariables[$block] as $variable => $v) {
$variables[$variable] = $variable;
}
return $variables;
} // end func getBlockvariables
/**
* Checks wheter a block variable exists.
*
* @param string $block Blockname
* @param string $variable Variablename
*
* @return boolean
* @access public
* @see getBlockvariables()
*/
function BlockvariableExists($block, $variable)
{
return isset($this->blockvariables[$block][$variable]);
} // end func BlockvariableExists
/**
* Builds a functionlist from the template.
*
* @access private
* @return null
*/
function buildFunctionlist()
{
$this->functions = array();
$template = $this->template;
$num = 0;
while (preg_match($this->functionRegExp, $template, $regs)) {
$pos = strpos($template, $regs[0]);
$template = substr($template, $pos + strlen($regs[0]));
$head = $this->getValue($template, ')');
$args = array();
$search = $regs[0] . $head . ')';
$replace = $this->openingDelimiter .
'__function' . $num . '__' .
$this->closingDelimiter;
$this->template = str_replace($search, $replace, $this->template);
$template = str_replace($search, $replace, $template);
while ($head != '' && $args2 = $this->getValue($head, ',')) {
$arg2 = trim($args2);
$args[] = ('"' == $arg2{0} || "'" == $arg2{0}) ?
substr($arg2, 1, -1) : $arg2;
if ($arg2 == $head) {
break;
}
$head = substr($head, strlen($arg2) + 1);
}
$this->functions[$num++] = array('name' => $regs[1],
'args' => $args);
}
} // end func buildFunctionlist
/**
* Truncates the given code from the first occurence of
* $delimiter but ignores $delimiter enclosed by " or '.
*
* @param string $code The code which should be parsed
* @param string $delimiter The delimiter char
*
* @access private
* @return string
* @see buildFunctionList()
*/
function getValue($code, $delimiter)
{
if ($code == '') {
return '';
}
if (!is_array($delimiter)) {
$delimiter = array($delimiter => true);
}
$len = strlen($code);
$enclosed = false;
$enclosed_by = '';
if (isset($delimiter[$code[0]])) {
$i = 1;
} else {
for ($i = 0; $i < $len; ++$i) {
$char = $code[$i];
if (($char == '"' || $char == "'")
&& ($char == $enclosed_by || '' == $enclosed_by)
&& (0 == $i || ($i > 0 && '\\' != $code[$i - 1]))
) {
if (!$enclosed) {
$enclosed_by = $char;
} else {
$enclosed_by = "";
}
$enclosed = !$enclosed;
}
if (!$enclosed && isset($delimiter[$char])) {
break;
}
}
}
return substr($code, 0, $i);
} // end func getValue
/**
* Deletes one or many variables from the block variable list.
*
* @param string $block Blockname
* @param mixed $variables Name of one variable or array of variables
* (array (name => true ) ) to be stripped.
*
* @access private
* @return null
*/
function deleteFromBlockvariablelist($block, $variables)
{
if (!is_array($variables)) {
$variables = array($variables => true);
}
reset($this->blockvariables[$block]);
while (list($varname, $val) = each($this->blockvariables[$block])) {
if (isset($variables[$varname])) {
unset($this->blockvariables[$block][$varname]);
}
}
} // end deleteFromBlockvariablelist
/**
* Updates the variable list of a block.
*
* @param string $block Blockname
*
* @access private
* @return null
*/
function updateBlockvariablelist($block)
{
preg_match_all(
$this->variablesRegExp,
$this->blocklist[$block], $regs
);
if (count($regs[1]) != 0) {
foreach ($regs[1] as $k => $var) {
$this->blockvariables[$block][$var] = true;
}
} else {
$this->blockvariables[$block] = array();
}
// check if any inner blocks were found
if (isset($this->blockinner[$block])
&& is_array($this->blockinner[$block])
&& count($this->blockinner[$block]) > 0
) {
/*
* loop through inner blocks, registering the variable
* placeholders in each
*/
foreach ($this->blockinner[$block] as $childBlock) {
$this->updateBlockvariablelist($childBlock);
}
}
} // end func updateBlockvariablelist
/**
* Returns an array of blocknames where the given variable
* placeholder is used.
*
* @param string $variable Variable placeholder
*
* @return array $parents parents[0..n] = blockname
* @access public
*/
function findPlaceholderBlocks($variable)
{
$parents = array();
reset($this->blocklist);
while (list($blockname, $content) = each($this->blocklist)) {
reset($this->blockvariables[$blockname]);
while (list($varname, $val) = each($this->blockvariables[$blockname])) {
if ($variable == $varname) {
$parents[] = $blockname;
}
}
}
return $parents;
} // end func findPlaceholderBlocks
/**
* Handles warnings, saves them to $warn and prints them or
* calls die() depending on the flags
*
* @param string $message Warning
* @param string $file File where the warning occured
* @param int $line Linenumber where the warning occured
*
* @see $warn, $printWarning, $haltOnWarning
* @access private
* @return null
*/
function warning($message, $file = '', $line = 0)
{
$message = sprintf(
'HTML_Template_ITX Warning: %s [File: %s, Line: %d]',
$message,
$file,
$line
);
$this->warn[] = $message;
if ($this->printWarning) {
print $message;
}
if ($this->haltOnWarning) {
die($message);
}
} // end func warning
} // end class HTML_Template_ITX
?>

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libraries/pear/HTML/Template/IT_Error.php Normal file
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<?php
/**
* Integrated Template - IT
*
* PHP version 4
*
* Copyright (c) 1997-2007 Ulf Wendel, Pierre-Alain Joye,
* David Soria Parra
*
* This source file is subject to the New BSD license, That is bundled
* with this package in the file LICENSE, and is available through
* the world-wide-web at
* http://www.opensource.org/licenses/bsd-license.php
* If you did not receive a copy of the new BSDlicense and are unable
* to obtain it through the world-wide-web, please send a note to
* pajoye@php.net so we can mail you a copy immediately.
*
* Author: Ulf Wendel <ulf.wendel@phpdoc.de>
* Pierre-Alain Joye <pajoye@php.net>
* David Soria Parra <dsp@php.net>
*
* @category HTML
* @package HTML_Template_IT
* @author Ulf Wendel <uw@netuse.de>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @version CVS: $Id: IT_Error.php 295117 2010-02-15 23:25:21Z clockwerx $
* @link http://pear.php.net/packages/HTML_Template_IT
* @access public
*/
require_once "PEAR.php";
/**
* IT[X] Error class
*
* @category HTML
* @package HTML_Template_IT
* @author Ulf Wendel <uw@netuse.de>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/packages/HTML_Template_IT
* @access public
*/
class IT_Error extends PEAR_Error
{
/**
* Prefix of all error messages.
*
* @var string
*/
var $error_message_prefix = "IntegratedTemplate Error: ";
/**
* Creates an cache error object.
*
* @param string $msg error message
* @param string $file file where the error occured
* @param string $line linenumber where the error occured
*/
function IT_Error($msg, $file = __FILE__, $line = __LINE__)
{
$this->PEAR_Error(sprintf("%s [%s on line %d].", $msg, $file, $line));
} // end func IT_Error
} // end class IT_Error
?>

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libraries/pear/JSON/JSON.php Normal file
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/* yadl_spaceid - Skip Stamping */
/**
* 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,v 1.2 2007/07/31 21:14:29 jennyhan Exp $
* @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
*
* @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
$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):
// 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):
// 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
$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):
// 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)
{
}
}
}
?>

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<html>
<body bgcolor="#FFFFFF">
</body>
</html>

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<?php
/**
* This is only meant for PHP 5 to get rid of certain strict warning
* that doesn't get hidden since it's in the shutdown function
*/
class PEAR5
{
/**
* If you have a class that's mostly/entirely static, and you need static
* properties, you can use this method to simulate them. Eg. in your method(s)
* do this: $myVar = &PEAR5::getStaticProperty('myclass', 'myVar');
* You MUST use a reference, or they will not persist!
*
* @access public
* @param string $class The calling classname, to prevent clashes
* @param string $var The variable to retrieve.
* @return mixed A reference to the variable. If not set it will be
* auto initialised to NULL.
*/
static function &getStaticProperty($class, $var)
{
static $properties;
if (!isset($properties[$class])) {
$properties[$class] = array();
}
if (!array_key_exists($var, $properties[$class])) {
$properties[$class][$var] = null;
}
return $properties[$class][$var];
}
}

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<html>
<body bgcolor="#FFFFFF">
</body>
</html>