JuKu /
JuKuCMS
| Total Complexity | 58 |
| Total Lines | 672 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Logger often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Logger, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 27 | class Logger implements LoggerInterface |
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| 28 | { |
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| 29 | /** |
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| 30 | * Detailed debug information |
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| 31 | */ |
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| 32 | const DEBUG = 100; |
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| 33 | |||
| 34 | /** |
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| 35 | * Interesting events |
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| 36 | * |
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| 37 | * Examples: User logs in, SQL logs. |
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| 38 | */ |
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| 39 | const INFO = 200; |
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| 40 | |||
| 41 | /** |
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| 42 | * Uncommon events |
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| 43 | */ |
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| 44 | const NOTICE = 250; |
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| 45 | |||
| 46 | /** |
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| 47 | * Exceptional occurrences that are not errors |
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| 48 | * |
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| 49 | * Examples: Use of deprecated APIs, poor use of an API, |
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| 50 | * undesirable things that are not necessarily wrong. |
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| 51 | */ |
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| 52 | const WARNING = 300; |
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| 53 | |||
| 54 | /** |
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| 55 | * Runtime errors |
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| 56 | */ |
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| 57 | const ERROR = 400; |
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| 58 | |||
| 59 | /** |
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| 60 | * Critical conditions |
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| 61 | * |
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| 62 | * Example: Application component unavailable, unexpected exception. |
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| 63 | */ |
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| 64 | const CRITICAL = 500; |
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| 65 | |||
| 66 | /** |
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| 67 | * Action must be taken immediately |
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| 68 | * |
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| 69 | * Example: Entire website down, database unavailable, etc. |
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| 70 | * This should trigger the SMS alerts and wake you up. |
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| 71 | */ |
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| 72 | const ALERT = 550; |
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| 73 | |||
| 74 | /** |
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| 75 | * Urgent alert. |
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| 76 | */ |
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| 77 | const EMERGENCY = 600; |
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| 78 | |||
| 79 | /** |
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| 80 | * Monolog API version |
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| 81 | * |
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| 82 | * This is only bumped when API breaks are done and should |
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| 83 | * follow the major version of the library |
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| 84 | * |
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| 85 | * @var int |
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| 86 | */ |
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| 87 | const API = 1; |
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| 88 | |||
| 89 | /** |
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| 90 | * Logging levels from syslog protocol defined in RFC 5424 |
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| 91 | * |
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| 92 | * @var array $levels Logging levels |
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| 93 | */ |
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| 94 | protected static $levels = array( |
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| 95 | self::DEBUG => 'DEBUG', |
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| 96 | self::INFO => 'INFO', |
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| 97 | self::NOTICE => 'NOTICE', |
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| 98 | self::WARNING => 'WARNING', |
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| 99 | self::ERROR => 'ERROR', |
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| 100 | self::CRITICAL => 'CRITICAL', |
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| 101 | self::ALERT => 'ALERT', |
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| 102 | self::EMERGENCY => 'EMERGENCY', |
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| 103 | ); |
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| 104 | |||
| 105 | /** |
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| 106 | * @var \DateTimeZone |
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| 107 | */ |
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| 108 | protected static $timezone; |
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| 109 | |||
| 110 | /** |
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| 111 | * @var string |
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| 112 | */ |
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| 113 | protected $name; |
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| 114 | |||
| 115 | /** |
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| 116 | * The handler stack |
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| 117 | * |
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| 118 | * @var HandlerInterface[] |
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| 119 | */ |
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| 120 | protected $handlers; |
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| 121 | |||
| 122 | /** |
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| 123 | * Processors that will process all log records |
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| 124 | * |
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| 125 | * To process records of a single handler instead, add the processor on that specific handler |
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| 126 | * |
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| 127 | * @var callable[] |
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| 128 | */ |
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| 129 | protected $processors; |
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| 130 | |||
| 131 | /** |
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| 132 | * @var bool |
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| 133 | */ |
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| 134 | protected $microsecondTimestamps = true; |
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| 135 | |||
| 136 | /** |
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| 137 | * @param string $name The logging channel |
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| 138 | * @param HandlerInterface[] $handlers Optional stack of handlers, the first one in the array is called first, etc. |
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| 139 | * @param callable[] $processors Optional array of processors |
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| 140 | */ |
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| 141 | public function __construct($name, array $handlers = array(), array $processors = array()) |
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| 142 | { |
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| 143 | $this->name = $name; |
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| 144 | $this->handlers = $handlers; |
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| 145 | $this->processors = $processors; |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * @return string |
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| 150 | */ |
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| 151 | public function getName() |
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| 152 | { |
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| 153 | return $this->name; |
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| 154 | } |
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| 155 | |||
| 156 | /** |
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| 157 | * Return a new cloned instance with the name changed |
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| 158 | * |
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| 159 | * @return static |
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| 160 | */ |
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| 161 | public function withName($name) |
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| 162 | { |
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| 163 | $new = clone $this; |
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| 164 | $new->name = $name; |
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| 165 | |||
| 166 | return $new; |
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| 167 | } |
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| 168 | |||
| 169 | /** |
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| 170 | * Pushes a handler on to the stack. |
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| 171 | * |
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| 172 | * @param HandlerInterface $handler |
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| 173 | * @return $this |
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| 174 | */ |
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| 175 | public function pushHandler(HandlerInterface $handler) |
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| 176 | { |
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| 177 | array_unshift($this->handlers, $handler); |
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| 178 | |||
| 179 | return $this; |
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| 180 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * Pops a handler from the stack |
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| 184 | * |
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| 185 | * @return HandlerInterface |
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| 186 | */ |
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| 187 | public function popHandler() |
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| 188 | { |
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| 189 | if (!$this->handlers) { |
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| 190 | throw new \LogicException('You tried to pop from an empty handler stack.'); |
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| 191 | } |
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| 192 | |||
| 193 | return array_shift($this->handlers); |
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| 194 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * Set handlers, replacing all existing ones. |
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| 198 | * |
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| 199 | * If a map is passed, keys will be ignored. |
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| 200 | * |
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| 201 | * @param HandlerInterface[] $handlers |
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| 202 | * @return $this |
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| 203 | */ |
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| 204 | public function setHandlers(array $handlers) |
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| 205 | { |
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| 206 | $this->handlers = array(); |
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| 207 | foreach (array_reverse($handlers) as $handler) { |
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| 208 | $this->pushHandler($handler); |
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| 209 | } |
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| 210 | |||
| 211 | return $this; |
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| 212 | } |
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| 213 | |||
| 214 | /** |
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| 215 | * @return HandlerInterface[] |
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| 216 | */ |
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| 217 | public function getHandlers() |
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| 220 | } |
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| 221 | |||
| 222 | /** |
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| 223 | * Adds a processor on to the stack. |
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| 224 | * |
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| 225 | * @param callable $callback |
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| 226 | * @return $this |
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| 227 | */ |
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| 228 | public function pushProcessor($callback) |
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| 229 | { |
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| 230 | if (!is_callable($callback)) { |
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| 231 | throw new \InvalidArgumentException('Processors must be valid callables (callback or object with an __invoke method), '.var_export($callback, true).' given'); |
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| 232 | } |
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| 233 | array_unshift($this->processors, $callback); |
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| 234 | |||
| 235 | return $this; |
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| 236 | } |
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| 237 | |||
| 238 | /** |
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| 239 | * Removes the processor on top of the stack and returns it. |
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| 240 | * |
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| 241 | * @return callable |
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| 242 | */ |
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| 243 | public function popProcessor() |
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| 244 | { |
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| 245 | if (!$this->processors) { |
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| 246 | throw new \LogicException('You tried to pop from an empty processor stack.'); |
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| 247 | } |
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| 248 | |||
| 249 | return array_shift($this->processors); |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * @return callable[] |
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| 254 | */ |
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| 255 | public function getProcessors() |
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| 258 | } |
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| 259 | |||
| 260 | /** |
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| 261 | * Control the use of microsecond resolution timestamps in the 'datetime' |
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| 262 | * member of new records. |
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| 263 | * |
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| 264 | * Generating microsecond resolution timestamps by calling |
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| 265 | * microtime(true), formatting the result via sprintf() and then parsing |
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| 266 | * the resulting string via \DateTime::createFromFormat() can incur |
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| 267 | * a measurable runtime overhead vs simple usage of DateTime to capture |
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| 268 | * a second resolution timestamp in systems which generate a large number |
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| 269 | * of log events. |
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| 270 | * |
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| 271 | * @param bool $micro True to use microtime() to create timestamps |
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| 272 | */ |
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| 273 | public function useMicrosecondTimestamps($micro) |
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| 274 | { |
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| 275 | $this->microsecondTimestamps = (bool) $micro; |
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| 276 | } |
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| 277 | |||
| 278 | /** |
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| 279 | * Adds a log record. |
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| 280 | * |
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| 281 | * @param int $level The logging level |
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| 282 | * @param string $message The log message |
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| 283 | * @param array $context The log context |
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| 284 | * @return Boolean Whether the record has been processed |
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| 285 | */ |
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| 286 | public function addRecord($level, $message, array $context = array()) |
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| 287 | { |
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| 288 | if (!$this->handlers) { |
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| 289 | $this->pushHandler(new StreamHandler('php://stderr', static::DEBUG)); |
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| 290 | } |
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| 291 | |||
| 292 | $levelName = static::getLevelName($level); |
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| 293 | |||
| 294 | // check if any handler will handle this message so we can return early and save cycles |
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| 295 | $handlerKey = null; |
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| 296 | reset($this->handlers); |
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| 297 | while ($handler = current($this->handlers)) { |
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| 298 | if ($handler->isHandling(array('level' => $level))) { |
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| 299 | $handlerKey = key($this->handlers); |
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| 300 | break; |
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| 301 | } |
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| 302 | |||
| 303 | next($this->handlers); |
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| 304 | } |
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| 305 | |||
| 306 | if (null === $handlerKey) { |
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| 307 | return false; |
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| 308 | } |
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| 309 | |||
| 310 | if (!static::$timezone) { |
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| 311 | static::$timezone = new \DateTimeZone(date_default_timezone_get() ?: 'UTC'); |
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| 312 | } |
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| 313 | |||
| 314 | // php7.1+ always has microseconds enabled, so we do not need this hack |
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| 315 | if ($this->microsecondTimestamps && PHP_VERSION_ID < 70100) { |
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| 316 | $ts = \DateTime::createFromFormat('U.u', sprintf('%.6F', microtime(true)), static::$timezone); |
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| 317 | } else { |
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| 318 | $ts = new \DateTime(null, static::$timezone); |
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| 319 | } |
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| 320 | $ts->setTimezone(static::$timezone); |
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| 321 | |||
| 322 | $record = array( |
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| 323 | 'message' => (string) $message, |
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| 324 | 'context' => $context, |
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| 325 | 'level' => $level, |
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| 326 | 'level_name' => $levelName, |
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| 327 | 'channel' => $this->name, |
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| 328 | 'datetime' => $ts, |
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| 329 | 'extra' => array(), |
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| 330 | ); |
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| 331 | |||
| 332 | foreach ($this->processors as $processor) { |
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| 333 | $record = call_user_func($processor, $record); |
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| 334 | } |
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| 335 | |||
| 336 | while ($handler = current($this->handlers)) { |
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| 337 | if (true === $handler->handle($record)) { |
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| 338 | break; |
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| 339 | } |
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| 340 | |||
| 341 | next($this->handlers); |
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| 342 | } |
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| 343 | |||
| 344 | return true; |
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| 345 | } |
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| 346 | |||
| 347 | /** |
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| 348 | * Adds a log record at the DEBUG level. |
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| 349 | * |
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| 350 | * @param string $message The log message |
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| 351 | * @param array $context The log context |
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| 352 | * @return Boolean Whether the record has been processed |
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| 353 | */ |
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| 354 | public function addDebug($message, array $context = array()) |
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| 355 | { |
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| 356 | return $this->addRecord(static::DEBUG, $message, $context); |
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| 357 | } |
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| 358 | |||
| 359 | /** |
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| 360 | * Adds a log record at the INFO level. |
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| 361 | * |
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| 362 | * @param string $message The log message |
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| 363 | * @param array $context The log context |
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| 364 | * @return Boolean Whether the record has been processed |
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| 365 | */ |
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| 366 | public function addInfo($message, array $context = array()) |
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| 367 | { |
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| 368 | return $this->addRecord(static::INFO, $message, $context); |
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| 369 | } |
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| 370 | |||
| 371 | /** |
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| 372 | * Adds a log record at the NOTICE level. |
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| 373 | * |
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| 374 | * @param string $message The log message |
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| 375 | * @param array $context The log context |
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| 376 | * @return Boolean Whether the record has been processed |
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| 377 | */ |
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| 378 | public function addNotice($message, array $context = array()) |
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| 379 | { |
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| 380 | return $this->addRecord(static::NOTICE, $message, $context); |
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| 381 | } |
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| 382 | |||
| 383 | /** |
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| 384 | * Adds a log record at the WARNING level. |
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| 385 | * |
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| 386 | * @param string $message The log message |
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| 387 | * @param array $context The log context |
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| 388 | * @return Boolean Whether the record has been processed |
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| 389 | */ |
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| 390 | public function addWarning($message, array $context = array()) |
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| 391 | { |
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| 392 | return $this->addRecord(static::WARNING, $message, $context); |
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| 393 | } |
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| 394 | |||
| 395 | /** |
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| 396 | * Adds a log record at the ERROR level. |
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| 397 | * |
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| 398 | * @param string $message The log message |
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| 399 | * @param array $context The log context |
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| 400 | * @return Boolean Whether the record has been processed |
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| 401 | */ |
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| 402 | public function addError($message, array $context = array()) |
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| 405 | } |
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| 406 | |||
| 407 | /** |
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| 408 | * Adds a log record at the CRITICAL level. |
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| 409 | * |
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| 410 | * @param string $message The log message |
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| 411 | * @param array $context The log context |
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| 412 | * @return Boolean Whether the record has been processed |
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| 413 | */ |
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| 414 | public function addCritical($message, array $context = array()) |
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| 415 | { |
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| 416 | return $this->addRecord(static::CRITICAL, $message, $context); |
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| 417 | } |
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| 418 | |||
| 419 | /** |
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| 420 | * Adds a log record at the ALERT level. |
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| 421 | * |
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| 422 | * @param string $message The log message |
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| 423 | * @param array $context The log context |
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| 424 | * @return Boolean Whether the record has been processed |
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| 425 | */ |
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| 426 | public function addAlert($message, array $context = array()) |
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| 427 | { |
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| 428 | return $this->addRecord(static::ALERT, $message, $context); |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * Adds a log record at the EMERGENCY level. |
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| 433 | * |
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| 434 | * @param string $message The log message |
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| 435 | * @param array $context The log context |
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| 436 | * @return Boolean Whether the record has been processed |
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| 437 | */ |
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| 438 | public function addEmergency($message, array $context = array()) |
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| 439 | { |
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| 440 | return $this->addRecord(static::EMERGENCY, $message, $context); |
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| 441 | } |
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| 442 | |||
| 443 | /** |
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| 444 | * Gets all supported logging levels. |
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| 445 | * |
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| 446 | * @return array Assoc array with human-readable level names => level codes. |
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| 447 | */ |
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| 448 | public static function getLevels() |
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| 449 | { |
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| 450 | return array_flip(static::$levels); |
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| 451 | } |
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| 452 | |||
| 453 | /** |
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| 454 | * Gets the name of the logging level. |
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| 455 | * |
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| 456 | * @param int $level |
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| 457 | * @return string |
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| 458 | */ |
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| 459 | public static function getLevelName($level) |
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| 460 | { |
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| 461 | if (!isset(static::$levels[$level])) { |
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| 462 | throw new InvalidArgumentException('Level "'.$level.'" is not defined, use one of: '.implode(', ', array_keys(static::$levels))); |
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| 463 | } |
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| 464 | |||
| 465 | return static::$levels[$level]; |
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| 466 | } |
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| 467 | |||
| 468 | /** |
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| 469 | * Converts PSR-3 levels to Monolog ones if necessary |
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| 470 | * |
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| 471 | * @param string|int Level number (monolog) or name (PSR-3) |
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| 472 | * @return int |
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| 473 | */ |
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| 474 | public static function toMonologLevel($level) |
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| 475 | { |
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| 476 | if (is_string($level) && defined(__CLASS__.'::'.strtoupper($level))) { |
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| 477 | return constant(__CLASS__.'::'.strtoupper($level)); |
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| 478 | } |
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| 479 | |||
| 480 | return $level; |
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| 481 | } |
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| 482 | |||
| 483 | /** |
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| 484 | * Checks whether the Logger has a handler that listens on the given level |
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| 485 | * |
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| 486 | * @param int $level |
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| 487 | * @return Boolean |
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| 488 | */ |
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| 489 | public function isHandling($level) |
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| 490 | { |
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| 491 | $record = array( |
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| 492 | 'level' => $level, |
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| 493 | ); |
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| 494 | |||
| 495 | foreach ($this->handlers as $handler) { |
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| 496 | if ($handler->isHandling($record)) { |
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| 497 | return true; |
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| 498 | } |
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| 499 | } |
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| 500 | |||
| 501 | return false; |
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| 502 | } |
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| 503 | |||
| 504 | /** |
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| 505 | * Adds a log record at an arbitrary level. |
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| 506 | * |
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| 507 | * This method allows for compatibility with common interfaces. |
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| 508 | * |
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| 509 | * @param mixed $level The log level |
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| 510 | * @param string $message The log message |
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| 511 | * @param array $context The log context |
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| 512 | * @return Boolean Whether the record has been processed |
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| 513 | */ |
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| 514 | public function log($level, $message, array $context = array()) |
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| 515 | { |
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| 516 | $level = static::toMonologLevel($level); |
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| 517 | |||
| 518 | return $this->addRecord($level, $message, $context); |
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| 519 | } |
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| 520 | |||
| 521 | /** |
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| 522 | * Adds a log record at the DEBUG level. |
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| 523 | * |
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| 524 | * This method allows for compatibility with common interfaces. |
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| 525 | * |
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| 526 | * @param string $message The log message |
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| 527 | * @param array $context The log context |
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| 528 | * @return Boolean Whether the record has been processed |
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| 529 | */ |
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| 530 | public function debug($message, array $context = array()) |
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| 531 | { |
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| 532 | return $this->addRecord(static::DEBUG, $message, $context); |
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| 533 | } |
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| 534 | |||
| 535 | /** |
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| 536 | * Adds a log record at the INFO level. |
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| 537 | * |
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| 538 | * This method allows for compatibility with common interfaces. |
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| 539 | * |
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| 540 | * @param string $message The log message |
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| 541 | * @param array $context The log context |
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| 542 | * @return Boolean Whether the record has been processed |
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| 543 | */ |
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| 544 | public function info($message, array $context = array()) |
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| 547 | } |
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| 548 | |||
| 549 | /** |
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| 550 | * Adds a log record at the NOTICE level. |
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| 551 | * |
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| 552 | * This method allows for compatibility with common interfaces. |
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| 553 | * |
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| 554 | * @param string $message The log message |
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| 555 | * @param array $context The log context |
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| 556 | * @return Boolean Whether the record has been processed |
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| 557 | */ |
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| 558 | public function notice($message, array $context = array()) |
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| 559 | { |
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| 560 | return $this->addRecord(static::NOTICE, $message, $context); |
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| 561 | } |
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| 562 | |||
| 563 | /** |
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| 564 | * Adds a log record at the WARNING level. |
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| 565 | * |
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| 566 | * This method allows for compatibility with common interfaces. |
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| 567 | * |
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| 568 | * @param string $message The log message |
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| 569 | * @param array $context The log context |
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| 570 | * @return Boolean Whether the record has been processed |
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| 571 | */ |
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| 572 | public function warn($message, array $context = array()) |
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| 573 | { |
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| 574 | return $this->addRecord(static::WARNING, $message, $context); |
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| 575 | } |
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| 576 | |||
| 577 | /** |
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| 578 | * Adds a log record at the WARNING level. |
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| 579 | * |
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| 580 | * This method allows for compatibility with common interfaces. |
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| 581 | * |
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| 582 | * @param string $message The log message |
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| 583 | * @param array $context The log context |
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| 584 | * @return Boolean Whether the record has been processed |
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| 585 | */ |
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| 586 | public function warning($message, array $context = array()) |
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| 587 | { |
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| 588 | return $this->addRecord(static::WARNING, $message, $context); |
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| 589 | } |
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| 590 | |||
| 591 | /** |
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| 592 | * Adds a log record at the ERROR level. |
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| 593 | * |
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| 594 | * This method allows for compatibility with common interfaces. |
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| 595 | * |
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| 596 | * @param string $message The log message |
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| 597 | * @param array $context The log context |
||
| 598 | * @return Boolean Whether the record has been processed |
||
| 599 | */ |
||
| 600 | public function err($message, array $context = array()) |
||
| 601 | { |
||
| 602 | return $this->addRecord(static::ERROR, $message, $context); |
||
| 603 | } |
||
| 604 | |||
| 605 | /** |
||
| 606 | * Adds a log record at the ERROR level. |
||
| 607 | * |
||
| 608 | * This method allows for compatibility with common interfaces. |
||
| 609 | * |
||
| 610 | * @param string $message The log message |
||
| 611 | * @param array $context The log context |
||
| 612 | * @return Boolean Whether the record has been processed |
||
| 613 | */ |
||
| 614 | public function error($message, array $context = array()) |
||
| 615 | { |
||
| 616 | return $this->addRecord(static::ERROR, $message, $context); |
||
| 617 | } |
||
| 618 | |||
| 619 | /** |
||
| 620 | * Adds a log record at the CRITICAL level. |
||
| 621 | * |
||
| 622 | * This method allows for compatibility with common interfaces. |
||
| 623 | * |
||
| 624 | * @param string $message The log message |
||
| 625 | * @param array $context The log context |
||
| 626 | * @return Boolean Whether the record has been processed |
||
| 627 | */ |
||
| 628 | public function crit($message, array $context = array()) |
||
| 629 | { |
||
| 630 | return $this->addRecord(static::CRITICAL, $message, $context); |
||
| 631 | } |
||
| 632 | |||
| 633 | /** |
||
| 634 | * Adds a log record at the CRITICAL level. |
||
| 635 | * |
||
| 636 | * This method allows for compatibility with common interfaces. |
||
| 637 | * |
||
| 638 | * @param string $message The log message |
||
| 639 | * @param array $context The log context |
||
| 640 | * @return Boolean Whether the record has been processed |
||
| 641 | */ |
||
| 642 | public function critical($message, array $context = array()) |
||
| 645 | } |
||
| 646 | |||
| 647 | /** |
||
| 648 | * Adds a log record at the ALERT level. |
||
| 649 | * |
||
| 650 | * This method allows for compatibility with common interfaces. |
||
| 651 | * |
||
| 652 | * @param string $message The log message |
||
| 653 | * @param array $context The log context |
||
| 654 | * @return Boolean Whether the record has been processed |
||
| 655 | */ |
||
| 656 | public function alert($message, array $context = array()) |
||
| 657 | { |
||
| 658 | return $this->addRecord(static::ALERT, $message, $context); |
||
| 659 | } |
||
| 660 | |||
| 661 | /** |
||
| 662 | * Adds a log record at the EMERGENCY level. |
||
| 663 | * |
||
| 664 | * This method allows for compatibility with common interfaces. |
||
| 665 | * |
||
| 666 | * @param string $message The log message |
||
| 667 | * @param array $context The log context |
||
| 668 | * @return Boolean Whether the record has been processed |
||
| 669 | */ |
||
| 670 | public function emerg($message, array $context = array()) |
||
| 673 | } |
||
| 674 | |||
| 675 | /** |
||
| 676 | * Adds a log record at the EMERGENCY level. |
||
| 677 | * |
||
| 678 | * This method allows for compatibility with common interfaces. |
||
| 679 | * |
||
| 680 | * @param string $message The log message |
||
| 681 | * @param array $context The log context |
||
| 682 | * @return Boolean Whether the record has been processed |
||
| 683 | */ |
||
| 684 | public function emergency($message, array $context = array()) |
||
| 685 | { |
||
| 686 | return $this->addRecord(static::EMERGENCY, $message, $context); |
||
| 687 | } |
||
| 688 | |||
| 689 | /** |
||
| 690 | * Set the timezone to be used for the timestamp of log records. |
||
| 691 | * |
||
| 692 | * This is stored globally for all Logger instances |
||
| 693 | * |
||
| 694 | * @param \DateTimeZone $tz Timezone object |
||
| 695 | */ |
||
| 696 | public static function setTimezone(\DateTimeZone $tz) |
||
| 699 | } |
||
| 700 | } |
||
| 701 |
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.