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<?php |
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/** |
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* Copyright 2010-2013 Craig Campbell |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace UsabilityDynamics\AMD { |
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/** |
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* Server Side Chrome PHP debugger class |
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* |
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* @package ChromePhp |
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* @author Craig Campbell <[email protected]> |
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*/ |
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class ChromePhp { |
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/** |
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* @var string |
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*/ |
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const VERSION = '4.1.0'; |
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/** |
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* @var string |
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*/ |
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const HEADER_NAME = 'X-ChromeLogger-Data'; |
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/** |
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* @var string |
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*/ |
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const BACKTRACE_LEVEL = 'backtrace_level'; |
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/** |
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* @var string |
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*/ |
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const LOG = 'log'; |
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/** |
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* @var string |
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*/ |
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const WARN = 'warn'; |
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/** |
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* @var string |
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*/ |
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const ERROR = 'error'; |
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/** |
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* @var string |
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*/ |
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const GROUP = 'group'; |
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/** |
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* @var string |
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*/ |
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const INFO = 'info'; |
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/** |
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* @var string |
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*/ |
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const GROUP_END = 'groupEnd'; |
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/** |
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* @var string |
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*/ |
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const GROUP_COLLAPSED = 'groupCollapsed'; |
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/** |
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* @var string |
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*/ |
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const TABLE = 'table'; |
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/** |
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* @var string |
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*/ |
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protected $_php_version; |
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/** |
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* @var int |
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*/ |
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protected $_timestamp; |
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/** |
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* @var array |
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*/ |
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protected $_json = array( |
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'version' => self::VERSION, |
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'columns' => array( 'log', 'backtrace', 'type' ), |
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'rows' => array() |
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); |
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/** |
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* @var array |
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*/ |
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protected $_backtraces = array(); |
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/** |
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* @var bool |
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*/ |
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protected $_error_triggered = false; |
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/** |
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* @var array |
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*/ |
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protected $_settings = array( |
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self::BACKTRACE_LEVEL => 1 |
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); |
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/** |
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* @var ChromePhp |
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*/ |
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protected static $_instance; |
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/** |
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* Prevent recursion when working with objects referring to each other |
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* |
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* @var array |
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*/ |
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protected $_processed = array(); |
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/** |
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* constructor |
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*/ |
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private function __construct() { |
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$this->_php_version = phpversion(); |
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$this->_timestamp = $this->_php_version >= 5.1 ? $_SERVER[ 'REQUEST_TIME' ] : time(); |
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$this->_json[ 'request_uri' ] = $_SERVER[ 'REQUEST_URI' ]; |
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} |
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/** |
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* gets instance of this class |
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* |
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* @return ChromePhp |
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*/ |
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public static function getInstance() { |
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if( self::$_instance === null ) { |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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/** |
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* logs a variable to the console |
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* |
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* @param mixed $data,... unlimited OPTIONAL number of additional logs [...] |
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* @return void |
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*/ |
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public static function log() { |
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$args = func_get_args(); |
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return self::_log( '', $args ); |
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} |
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/** |
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* logs a warning to the console |
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* |
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* @param mixed $data,... unlimited OPTIONAL number of additional logs [...] |
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* @return void |
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*/ |
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public static function warn() { |
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$args = func_get_args(); |
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return self::_log( self::WARN, $args ); |
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} |
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/** |
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* logs an error to the console |
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* |
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* @param mixed $data,... unlimited OPTIONAL number of additional logs [...] |
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* @return void |
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*/ |
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public static function error() { |
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$args = func_get_args(); |
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return self::_log( self::ERROR, $args ); |
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} |
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/** |
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* sends a group log |
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* |
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* @param string value |
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*/ |
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public static function group() { |
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$args = func_get_args(); |
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return self::_log( self::GROUP, $args ); |
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} |
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/** |
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* sends an info log |
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* |
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* @param mixed $data,... unlimited OPTIONAL number of additional logs [...] |
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* @return void |
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*/ |
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public static function info() { |
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$args = func_get_args(); |
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return self::_log( self::INFO, $args ); |
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} |
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/** |
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* sends a collapsed group log |
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* |
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* @param string value |
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*/ |
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public static function groupCollapsed() { |
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$args = func_get_args(); |
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return self::_log( self::GROUP_COLLAPSED, $args ); |
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} |
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/** |
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* ends a group log |
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* |
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* @param string value |
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*/ |
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public static function groupEnd() { |
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$args = func_get_args(); |
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return self::_log( self::GROUP_END, $args ); |
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} |
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/** |
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* sends a table log |
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* |
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* @param string value |
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*/ |
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public static function table() { |
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$args = func_get_args(); |
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return self::_log( self::TABLE, $args ); |
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} |
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/** |
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* internal logging call |
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* |
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* @param string $type |
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* @return void |
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*/ |
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protected static function _log( $type, array $args ) { |
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// nothing passed in, don't do anything |
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if( count( $args ) == 0 && $type != self::GROUP_END ) { |
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return; |
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} |
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$logger = self::getInstance(); |
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$logger->_processed = array(); |
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$logs = array(); |
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foreach( $args as $arg ) { |
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$logs[] = $logger->_convert( $arg ); |
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} |
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$backtrace = debug_backtrace( false ); |
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$level = $logger->getSetting( self::BACKTRACE_LEVEL ); |
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$backtrace_message = 'unknown'; |
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if( isset( $backtrace[ $level ][ 'file' ] ) && isset( $backtrace[ $level ][ 'line' ] ) ) { |
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$backtrace_message = $backtrace[ $level ][ 'file' ] . ' : ' . $backtrace[ $level ][ 'line' ]; |
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} |
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$logger->_addRow( $logs, $backtrace_message, $type ); |
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} |
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/** |
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* converts an object to a better format for logging |
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* |
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* @param Object |
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* @return array |
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*/ |
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protected function _convert( $object ) { |
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// if this isn't an object then just return it |
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if( !is_object( $object ) ) { |
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return $object; |
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} |
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//Mark this object as processed so we don't convert it twice and it |
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//Also avoid recursion when objects refer to each other |
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$this->_processed[] = $object; |
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$object_as_array = array(); |
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// first add the class name |
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$object_as_array[ '___class_name' ] = get_class( $object ); |
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// loop through object vars |
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$object_vars = get_object_vars( $object ); |
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foreach( $object_vars as $key => $value ) { |
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// same instance as parent object |
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View Code Duplication |
if( $value === $object || in_array( $value, $this->_processed, true ) ) { |
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$value = 'recursion - parent object [' . get_class( $value ) . ']'; |
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} |
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$object_as_array[ $key ] = $this->_convert( $value ); |
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} |
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$reflection = new ReflectionClass( $object ); |
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// loop through the properties and add those |
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foreach( $reflection->getProperties() as $property ) { |
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// if one of these properties was already added above then ignore it |
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if( array_key_exists( $property->getName(), $object_vars ) ) { |
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continue; |
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} |
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$type = $this->_getPropertyKey( $property ); |
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if( $this->_php_version >= 5.3 ) { |
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$property->setAccessible( true ); |
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} |
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try { |
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$value = $property->getValue( $object ); |
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} catch ( ReflectionException $e ) { |
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$value = 'only PHP 5.3 can access private/protected properties'; |
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} |
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// same instance as parent object |
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View Code Duplication |
if( $value === $object || in_array( $value, $this->_processed, true ) ) { |
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$value = 'recursion - parent object [' . get_class( $value ) . ']'; |
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} |
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$object_as_array[ $type ] = $this->_convert( $value ); |
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} |
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return $object_as_array; |
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} |
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/** |
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329
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* takes a reflection property and returns a nicely formatted key of the property name |
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* |
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* @param ReflectionProperty |
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* @return string |
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333
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*/ |
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protected function _getPropertyKey( ReflectionProperty $property ) { |
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$static = $property->isStatic() ? ' static' : ''; |
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if( $property->isPublic() ) { |
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return 'public' . $static . ' ' . $property->getName(); |
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} |
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if( $property->isProtected() ) { |
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return 'protected' . $static . ' ' . $property->getName(); |
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} |
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if( $property->isPrivate() ) { |
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return 'private' . $static . ' ' . $property->getName(); |
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346
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|
} |
|
347
|
|
|
} |
|
348
|
|
|
|
|
349
|
|
|
/** |
|
350
|
|
|
* adds a value to the data array |
|
351
|
|
|
* |
|
352
|
|
|
* @var mixed |
|
353
|
|
|
* @return void |
|
354
|
|
|
*/ |
|
355
|
|
|
protected function _addRow( array $logs, $backtrace, $type ) { |
|
356
|
|
|
// if this is logged on the same line for example in a loop, set it to null to save space |
|
357
|
|
|
if( in_array( $backtrace, $this->_backtraces ) ) { |
|
358
|
|
|
$backtrace = null; |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
// for group, groupEnd, and groupCollapsed |
|
362
|
|
|
// take out the backtrace since it is not useful |
|
363
|
|
|
if( $type == self::GROUP || $type == self::GROUP_END || $type == self::GROUP_COLLAPSED ) { |
|
364
|
|
|
$backtrace = null; |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
if( $backtrace !== null ) { |
|
368
|
|
|
$this->_backtraces[] = $backtrace; |
|
369
|
|
|
} |
|
370
|
|
|
|
|
371
|
|
|
$row = array( $logs, $backtrace, $type ); |
|
372
|
|
|
|
|
373
|
|
|
$this->_json[ 'rows' ][] = $row; |
|
374
|
|
|
$this->_writeHeader( $this->_json ); |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
protected function _writeHeader( $data ) { |
|
378
|
|
|
header( self::HEADER_NAME . ': ' . $this->_encode( $data ) ); |
|
379
|
|
|
} |
|
380
|
|
|
|
|
381
|
|
|
/** |
|
382
|
|
|
* encodes the data to be sent along with the request |
|
383
|
|
|
* |
|
384
|
|
|
* @param array $data |
|
385
|
|
|
* @return string |
|
386
|
|
|
*/ |
|
387
|
|
|
protected function _encode( $data ) { |
|
388
|
|
|
return base64_encode( utf8_encode( json_encode( $data ) ) ); |
|
389
|
|
|
} |
|
390
|
|
|
|
|
391
|
|
|
/** |
|
392
|
|
|
* adds a setting |
|
393
|
|
|
* |
|
394
|
|
|
* @param string key |
|
395
|
|
|
* @param mixed value |
|
396
|
|
|
* @return void |
|
397
|
|
|
*/ |
|
398
|
|
|
public function addSetting( $key, $value ) { |
|
399
|
|
|
$this->_settings[ $key ] = $value; |
|
400
|
|
|
} |
|
401
|
|
|
|
|
402
|
|
|
/** |
|
403
|
|
|
* add ability to set multiple settings in one call |
|
404
|
|
|
* |
|
405
|
|
|
* @param array $settings |
|
406
|
|
|
* @return void |
|
407
|
|
|
*/ |
|
408
|
|
|
public function addSettings( array $settings ) { |
|
409
|
|
|
foreach( $settings as $key => $value ) { |
|
410
|
|
|
$this->addSetting( $key, $value ); |
|
411
|
|
|
} |
|
412
|
|
|
} |
|
413
|
|
|
|
|
414
|
|
|
/** |
|
415
|
|
|
* gets a setting |
|
416
|
|
|
* |
|
417
|
|
|
* @param string key |
|
418
|
|
|
* @return mixed |
|
419
|
|
|
*/ |
|
420
|
|
|
public function getSetting( $key ) { |
|
421
|
|
|
if( !isset( $this->_settings[ $key ] ) ) { |
|
422
|
|
|
return null; |
|
423
|
|
|
} |
|
424
|
|
|
return $this->_settings[ $key ]; |
|
425
|
|
|
} |
|
426
|
|
|
} |
|
427
|
|
|
} |
This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.