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- <?php
- define('PEAR_ERROR_RETURN', 1);
- define('PEAR_ERROR_PRINT', 2);
- define('PEAR_ERROR_TRIGGER', 4);
- define('PEAR_ERROR_DIE', 8);
- define('PEAR_ERROR_CALLBACK', 16);
- define('PEAR_ERROR_EXCEPTION', 32);
- if (substr(PHP_OS, 0, 3) == 'WIN') {
- define('OS_WINDOWS', true);
- define('OS_UNIX', false);
- define('PEAR_OS', 'Windows');
- } else {
- define('OS_WINDOWS', false);
- define('OS_UNIX', true);
- define('PEAR_OS', 'Unix');
- }
- $GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
- $GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
- $GLOBALS['_PEAR_destructor_object_list'] = array();
- $GLOBALS['_PEAR_shutdown_funcs'] = array();
- $GLOBALS['_PEAR_error_handler_stack'] = array();
- @ini_set('track_errors', true);
- class PEAR
- {
-
- var $_debug = false;
-
- var $_default_error_mode = null;
-
- var $_default_error_options = null;
-
- var $_default_error_handler = '';
-
- var $_error_class = 'PEAR_Error';
-
- var $_expected_errors = array();
-
- protected static $bivalentMethods = array(
- 'setErrorHandling' => true,
- 'raiseError' => true,
- 'throwError' => true,
- 'pushErrorHandling' => true,
- 'popErrorHandling' => true,
- );
-
- function __construct($error_class = null)
- {
- $classname = strtolower(get_class($this));
- if ($this->_debug) {
- print "PEAR constructor called, class=$classname\n";
- }
- if ($error_class !== null) {
- $this->_error_class = $error_class;
- }
- while ($classname && strcasecmp($classname, "pear")) {
- $destructor = "_$classname";
- if (method_exists($this, $destructor)) {
- global $_PEAR_destructor_object_list;
- $_PEAR_destructor_object_list[] = $this;
- if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
- register_shutdown_function("_PEAR_call_destructors");
- $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
- }
- break;
- } else {
- $classname = get_parent_class($classname);
- }
- }
- }
-
- public function PEAR($error_class = null)
- {
- self::__construct($error_class);
- }
-
- function _PEAR() {
- if ($this->_debug) {
- printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
- }
- }
- public function __call($method, $arguments)
- {
- if (!isset(self::$bivalentMethods[$method])) {
- trigger_error(
- 'Call to undefined method PEAR::' . $method . '()', E_USER_ERROR
- );
- }
- return call_user_func_array(
- array(get_class(), '_' . $method),
- array_merge(array($this), $arguments)
- );
- }
- public static function __callStatic($method, $arguments)
- {
- if (!isset(self::$bivalentMethods[$method])) {
- trigger_error(
- 'Call to undefined method PEAR::' . $method . '()', E_USER_ERROR
- );
- }
- return call_user_func_array(
- array(get_class(), '_' . $method),
- array_merge(array(null), $arguments)
- );
- }
-
- public static function &getStaticProperty($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][$var];
- }
-
- public static function registerShutdownFunc($func, $args = array())
- {
-
-
- if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
- register_shutdown_function("_PEAR_call_destructors");
- $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
- }
- $GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
- }
-
- public static function isError($data, $code = null)
- {
- if (!is_a($data, 'PEAR_Error')) {
- return false;
- }
- if (is_null($code)) {
- return true;
- } elseif (is_string($code)) {
- return $data->getMessage() == $code;
- }
- return $data->getCode() == $code;
- }
-
- protected static function _setErrorHandling(
- $object, $mode = null, $options = null
- ) {
- if ($object !== null) {
- $setmode = &$object->_default_error_mode;
- $setoptions = &$object->_default_error_options;
- } else {
- $setmode = &$GLOBALS['_PEAR_default_error_mode'];
- $setoptions = &$GLOBALS['_PEAR_default_error_options'];
- }
- switch ($mode) {
- case PEAR_ERROR_EXCEPTION:
- case PEAR_ERROR_RETURN:
- case PEAR_ERROR_PRINT:
- case PEAR_ERROR_TRIGGER:
- case PEAR_ERROR_DIE:
- case null:
- $setmode = $mode;
- $setoptions = $options;
- break;
- case PEAR_ERROR_CALLBACK:
- $setmode = $mode;
-
- if (is_callable($options)) {
- $setoptions = $options;
- } else {
- trigger_error("invalid error callback", E_USER_WARNING);
- }
- break;
- default:
- trigger_error("invalid error mode", E_USER_WARNING);
- break;
- }
- }
-
- function expectError($code = '*')
- {
- if (is_array($code)) {
- array_push($this->_expected_errors, $code);
- } else {
- array_push($this->_expected_errors, array($code));
- }
- return count($this->_expected_errors);
- }
-
- function popExpect()
- {
- return array_pop($this->_expected_errors);
- }
-
- function _checkDelExpect($error_code)
- {
- $deleted = false;
- foreach ($this->_expected_errors as $key => $error_array) {
- if (in_array($error_code, $error_array)) {
- unset($this->_expected_errors[$key][array_search($error_code, $error_array)]);
- $deleted = true;
- }
-
- if (0 == count($this->_expected_errors[$key])) {
- unset($this->_expected_errors[$key]);
- }
- }
- return $deleted;
- }
-
- function delExpect($error_code)
- {
- $deleted = false;
- if ((is_array($error_code) && (0 != count($error_code)))) {
-
-
- foreach ($error_code as $key => $error) {
- $deleted = $this->_checkDelExpect($error) ? true : false;
- }
- return $deleted ? true : PEAR::raiseError("The expected error you submitted does not exist");
- } elseif (!empty($error_code)) {
-
- if ($this->_checkDelExpect($error_code)) {
- return true;
- }
- return PEAR::raiseError("The expected error you submitted does not exist");
- }
-
- return PEAR::raiseError("The expected error you submitted is empty");
- }
-
- protected static function _raiseError($object,
- $message = null,
- $code = null,
- $mode = null,
- $options = null,
- $userinfo = null,
- $error_class = null,
- $skipmsg = false)
- {
-
- if (is_object($message)) {
- $code = $message->getCode();
- $userinfo = $message->getUserInfo();
- $error_class = $message->getType();
- $message->error_message_prefix = '';
- $message = $message->getMessage();
- }
- if (
- $object !== null &&
- isset($object->_expected_errors) &&
- count($object->_expected_errors) > 0 &&
- count($exp = end($object->_expected_errors))
- ) {
- if ($exp[0] === "*" ||
- (is_int(reset($exp)) && in_array($code, $exp)) ||
- (is_string(reset($exp)) && in_array($message, $exp))
- ) {
- $mode = PEAR_ERROR_RETURN;
- }
- }
-
- if ($mode === null) {
-
- if ($object !== null && isset($object->_default_error_mode)) {
- $mode = $object->_default_error_mode;
- $options = $object->_default_error_options;
-
- } elseif (isset($GLOBALS['_PEAR_default_error_mode'])) {
- $mode = $GLOBALS['_PEAR_default_error_mode'];
- $options = $GLOBALS['_PEAR_default_error_options'];
- }
- }
- if ($error_class !== null) {
- $ec = $error_class;
- } elseif ($object !== null && isset($object->_error_class)) {
- $ec = $object->_error_class;
- } else {
- $ec = 'PEAR_Error';
- }
- if ($skipmsg) {
- $a = new $ec($code, $mode, $options, $userinfo);
- } else {
- $a = new $ec($message, $code, $mode, $options, $userinfo);
- }
- return $a;
- }
-
- protected static function _throwError($object, $message = null, $code = null, $userinfo = null)
- {
- if ($object !== null) {
- $a = $object->raiseError($message, $code, null, null, $userinfo);
- return $a;
- }
- $a = PEAR::raiseError($message, $code, null, null, $userinfo);
- return $a;
- }
- public static function staticPushErrorHandling($mode, $options = null)
- {
- $stack = &$GLOBALS['_PEAR_error_handler_stack'];
- $def_mode = &$GLOBALS['_PEAR_default_error_mode'];
- $def_options = &$GLOBALS['_PEAR_default_error_options'];
- $stack[] = array($def_mode, $def_options);
- switch ($mode) {
- case PEAR_ERROR_EXCEPTION:
- case PEAR_ERROR_RETURN:
- case PEAR_ERROR_PRINT:
- case PEAR_ERROR_TRIGGER:
- case PEAR_ERROR_DIE:
- case null:
- $def_mode = $mode;
- $def_options = $options;
- break;
- case PEAR_ERROR_CALLBACK:
- $def_mode = $mode;
-
- if (is_callable($options)) {
- $def_options = $options;
- } else {
- trigger_error("invalid error callback", E_USER_WARNING);
- }
- break;
- default:
- trigger_error("invalid error mode", E_USER_WARNING);
- break;
- }
- $stack[] = array($mode, $options);
- return true;
- }
- public static function staticPopErrorHandling()
- {
- $stack = &$GLOBALS['_PEAR_error_handler_stack'];
- $setmode = &$GLOBALS['_PEAR_default_error_mode'];
- $setoptions = &$GLOBALS['_PEAR_default_error_options'];
- array_pop($stack);
- list($mode, $options) = $stack[sizeof($stack) - 1];
- array_pop($stack);
- switch ($mode) {
- case PEAR_ERROR_EXCEPTION:
- case PEAR_ERROR_RETURN:
- case PEAR_ERROR_PRINT:
- case PEAR_ERROR_TRIGGER:
- case PEAR_ERROR_DIE:
- case null:
- $setmode = $mode;
- $setoptions = $options;
- break;
- case PEAR_ERROR_CALLBACK:
- $setmode = $mode;
-
- if (is_callable($options)) {
- $setoptions = $options;
- } else {
- trigger_error("invalid error callback", E_USER_WARNING);
- }
- break;
- default:
- trigger_error("invalid error mode", E_USER_WARNING);
- break;
- }
- return true;
- }
-
- protected static function _pushErrorHandling($object, $mode, $options = null)
- {
- $stack = &$GLOBALS['_PEAR_error_handler_stack'];
- if ($object !== null) {
- $def_mode = &$object->_default_error_mode;
- $def_options = &$object->_default_error_options;
- } else {
- $def_mode = &$GLOBALS['_PEAR_default_error_mode'];
- $def_options = &$GLOBALS['_PEAR_default_error_options'];
- }
- $stack[] = array($def_mode, $def_options);
- if ($object !== null) {
- $object->setErrorHandling($mode, $options);
- } else {
- PEAR::setErrorHandling($mode, $options);
- }
- $stack[] = array($mode, $options);
- return true;
- }
-
- protected static function _popErrorHandling($object)
- {
- $stack = &$GLOBALS['_PEAR_error_handler_stack'];
- array_pop($stack);
- list($mode, $options) = $stack[sizeof($stack) - 1];
- array_pop($stack);
- if ($object !== null) {
- $object->setErrorHandling($mode, $options);
- } else {
- PEAR::setErrorHandling($mode, $options);
- }
- return true;
- }
-
- public static function loadExtension($ext)
- {
- if (extension_loaded($ext)) {
- return true;
- }
-
- if (
- function_exists('dl') === false ||
- ini_get('enable_dl') != 1
- ) {
- return false;
- }
- if (OS_WINDOWS) {
- $suffix = '.dll';
- } elseif (PHP_OS == 'HP-UX') {
- $suffix = '.sl';
- } elseif (PHP_OS == 'AIX') {
- $suffix = '.a';
- } elseif (PHP_OS == 'OSX') {
- $suffix = '.bundle';
- } else {
- $suffix = '.so';
- }
- return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix);
- }
- }
- function _PEAR_call_destructors()
- {
- global $_PEAR_destructor_object_list;
- if (is_array($_PEAR_destructor_object_list) &&
- sizeof($_PEAR_destructor_object_list))
- {
- reset($_PEAR_destructor_object_list);
- $destructLifoExists = PEAR::getStaticProperty('PEAR', 'destructlifo');
- if ($destructLifoExists) {
- $_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
- }
- foreach ($_PEAR_destructor_object_list as $k => $objref) {
- $classname = get_class($objref);
- while ($classname) {
- $destructor = "_$classname";
- if (method_exists($objref, $destructor)) {
- $objref->$destructor();
- break;
- } else {
- $classname = get_parent_class($classname);
- }
- }
- }
-
-
- $_PEAR_destructor_object_list = array();
- }
-
- if (
- isset($GLOBALS['_PEAR_shutdown_funcs']) &&
- is_array($GLOBALS['_PEAR_shutdown_funcs']) &&
- !empty($GLOBALS['_PEAR_shutdown_funcs'])
- ) {
- foreach ($GLOBALS['_PEAR_shutdown_funcs'] as $value) {
- call_user_func_array($value[0], $value[1]);
- }
- }
- }
- class PEAR_Error
- {
- var $error_message_prefix = '';
- var $mode = PEAR_ERROR_RETURN;
- var $level = E_USER_NOTICE;
- var $code = -1;
- var $message = '';
- var $userinfo = '';
- var $backtrace = null;
-
- function __construct($message = 'unknown error', $code = null,
- $mode = null, $options = null, $userinfo = null)
- {
- if ($mode === null) {
- $mode = PEAR_ERROR_RETURN;
- }
- $this->message = $message;
- $this->code = $code;
- $this->mode = $mode;
- $this->userinfo = $userinfo;
- $skiptrace = PEAR::getStaticProperty('PEAR_Error', 'skiptrace');
- if (!$skiptrace) {
- $this->backtrace = debug_backtrace();
- if (isset($this->backtrace[0]) && isset($this->backtrace[0]['object'])) {
- unset($this->backtrace[0]['object']);
- }
- }
- if ($mode & PEAR_ERROR_CALLBACK) {
- $this->level = E_USER_NOTICE;
- $this->callback = $options;
- } else {
- if ($options === null) {
- $options = E_USER_NOTICE;
- }
- $this->level = $options;
- $this->callback = null;
- }
- if ($this->mode & PEAR_ERROR_PRINT) {
- if (is_null($options) || is_int($options)) {
- $format = "%s";
- } else {
- $format = $options;
- }
- printf($format, $this->getMessage());
- }
- if ($this->mode & PEAR_ERROR_TRIGGER) {
- trigger_error($this->getMessage(), $this->level);
- }
- if ($this->mode & PEAR_ERROR_DIE) {
- $msg = $this->getMessage();
- if (is_null($options) || is_int($options)) {
- $format = "%s";
- if (substr($msg, -1) != "\n") {
- $msg .= "\n";
- }
- } else {
- $format = $options;
- }
- printf($format, $msg);
- exit($code);
- }
- if ($this->mode & PEAR_ERROR_CALLBACK && is_callable($this->callback)) {
- call_user_func($this->callback, $this);
- }
- if ($this->mode & PEAR_ERROR_EXCEPTION) {
- trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
- eval('$e = new Exception($this->message, $this->code);throw($e);');
- }
- }
-
- public function PEAR_Error(
- $message = 'unknown error', $code = null, $mode = null,
- $options = null, $userinfo = null
- ) {
- self::__construct($message, $code, $mode, $options, $userinfo);
- }
-
- function getMode()
- {
- return $this->mode;
- }
-
- function getCallback()
- {
- return $this->callback;
- }
-
- function getMessage()
- {
- return ($this->error_message_prefix . $this->message);
- }
-
- function getCode()
- {
- return $this->code;
- }
-
- function getType()
- {
- return get_class($this);
- }
-
- function getUserInfo()
- {
- return $this->userinfo;
- }
-
- function getDebugInfo()
- {
- return $this->getUserInfo();
- }
-
- function getBacktrace($frame = null)
- {
- if (defined('PEAR_IGNORE_BACKTRACE')) {
- return null;
- }
- if ($frame === null) {
- return $this->backtrace;
- }
- return $this->backtrace[$frame];
- }
- function addUserInfo($info)
- {
- if (empty($this->userinfo)) {
- $this->userinfo = $info;
- } else {
- $this->userinfo .= " ** $info";
- }
- }
- function __toString()
- {
- return $this->getMessage();
- }
-
- function toString()
- {
- $modes = array();
- $levels = array(E_USER_NOTICE => 'notice',
- E_USER_WARNING => 'warning',
- E_USER_ERROR => 'error');
- if ($this->mode & PEAR_ERROR_CALLBACK) {
- if (is_array($this->callback)) {
- $callback = (is_object($this->callback[0]) ?
- strtolower(get_class($this->callback[0])) :
- $this->callback[0]) . '::' .
- $this->callback[1];
- } else {
- $callback = $this->callback;
- }
- return sprintf('[%s: message="%s" code=%d mode=callback '.
- 'callback=%s prefix="%s" info="%s"]',
- strtolower(get_class($this)), $this->message, $this->code,
- $callback, $this->error_message_prefix,
- $this->userinfo);
- }
- if ($this->mode & PEAR_ERROR_PRINT) {
- $modes[] = 'print';
- }
- if ($this->mode & PEAR_ERROR_TRIGGER) {
- $modes[] = 'trigger';
- }
- if ($this->mode & PEAR_ERROR_DIE) {
- $modes[] = 'die';
- }
- if ($this->mode & PEAR_ERROR_RETURN) {
- $modes[] = 'return';
- }
- return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
- 'prefix="%s" info="%s"]',
- strtolower(get_class($this)), $this->message, $this->code,
- implode("|", $modes), $levels[$this->level],
- $this->error_message_prefix,
- $this->userinfo);
- }
- }
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