hrow new \LogicException('You tried to pop from an empty handler stack.');
}
return array_shift($this->handlers);
}
/**
* Set handlers, replacing all existing ones.
*
* If a map is passed, keys will be ignored.
*
* @param HandlerInterface[] $handlers
* @return $this
*/
public function setHandlers(array $handlers)
{
$this->handlers = array();
foreach (array_reverse($handlers) as $handler) {
$this->pushHandler($handler);
}
return $this;
}
/**
* @return HandlerInterface[]
*/
public function getHandlers()
{
return $this->handlers;
}
/**
* Adds a processor on to the stack.
*
* @param callable $callback
* @return $this
*/
public function pushProcessor($callback)
{
if (!is_callable($callback)) {
throw new \InvalidArgumentException('Processors must be valid callables (callback or object with an __invoke method), '.var_export($callback, true).' given');
}
array_unshift($this->processors, $callback);
return $this;
}
/**
* Removes the processor on top of the stack and returns it.
*
* @return callable
*/
public function popProcessor()
{
if (!$this->processors) {
throw new \LogicException('You tried to pop from an empty processor stack.');
}
return array_shift($this->processors);
}
/**
* @return callable[]
*/
public function getProcessors()
{
return $this->processors;
}
/**
* Control the use of microsecond resolution timestamps in the 'datetime'
* member of new records.
*
* Generating microsecond resolution timestamps by calling
* microtime(true), formatting the result via sprintf() and then parsing
* the resulting string via \DateTime::createFromFormat() can incur
* a measurable runtime overhead vs simple usage of DateTime to capture
* a second resolution timestamp in systems which generate a large number
* of log events.
*
* @param bool $micro True to use microtime() to create timestamps
*/
public function useMicrosecondTimestamps($micro)
{
$this->microsecondTimestamps = (bool) $micro;
}
/**
* Adds a log record.
*
* @param int $level The logging level
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addRecord($level, $message, array $context = array())
{
if (!$this->handlers) {
$this->pushHandler(new StreamHandler('php://stderr', static::DEBUG));
}
$levelName = static::getLevelName($level);
// check if any handler will handle this message so we can return early and save cycles
$handlerKey = null;
reset($this->handlers);
while ($handler = current($this->handlers)) {
if ($handler->isHandling(array('level' => $level))) {
$handlerKey = key($this->handlers);
break;
}
next($this->handlers);
}
if (null === $handlerKey) {
return false;
}
if (!static::$timezone) {
static::$timezone = new \DateTimeZone(date_default_timezone_get() ?: 'UTC');
}
// php7.1+ always has microseconds enabled, so we do not need this hack
if ($this->microsecondTimestamps && PHP_VERSION_ID < 70100) {
$ts = \DateTime::createFromFormat('U.u', sprintf('%.6F', microtime(true)), static::$timezone);
} else {
$ts = new \DateTime(null, static::$timezone);
}
$ts->setTimezone(static::$timezone);
$record = array(
'message' => (string) $message,
'context' => $context,
'level' => $level,
'level_name' => $levelName,
'channel' => $this->name,
'datetime' => $ts,
'extra' => array(),
);
foreach ($this->processors as $processor) {
$record = call_user_func($processor, $record);
}
while ($handler = current($this->handlers)) {
if (true === $handler->handle($record)) {
break;
}
next($this->handlers);
}
return true;
}
/**
* Adds a log record at the DEBUG level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addDebug($message, array $context = array())
{
return $this->addRecord(static::DEBUG, $message, $context);
}
/**
* Adds a log record at the INFO level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addInfo($message, array $context = array())
{
return $this->addRecord(static::INFO, $message, $context);
}
/**
* Adds a log record at the NOTICE level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addNotice($message, array $context = array())
{
return $this->addRecord(static::NOTICE, $message, $context);
}
/**
* Adds a log record at the WARNING level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addWarning($message, array $context = array())
{
return $this->addRecord(static::WARNING, $message, $context);
}
/**
* Adds a log record at the ERROR level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addError($message, array $context = array())
{
return $this->addRecord(static::ERROR, $message, $context);
}
/**
* Adds a log record at the CRITICAL level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addCritical($message, array $context = array())
{
return $this->addRecord(static::CRITICAL, $message, $context);
}
/**
* Adds a log record at the ALERT level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addAlert($message, array $context = array())
{
return $this->addRecord(static::ALERT, $message, $context);
}
/**
* Adds a log record at the EMERGENCY level.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function addEmergency($message, array $context = array())
{
return $this->addRecord(static::EMERGENCY, $message, $context);
}
/**
* Gets all supported logging levels.
*
* @return array Assoc array with human-readable level names => level codes.
*/
public static function getLevels()
{
return array_flip(static::$levels);
}
/**
* Gets the name of the logging level.
*
* @param int $level
* @return string
*/
public static function getLevelName($level)
{
if (!isset(static::$levels[$level])) {
throw new InvalidArgumentException('Level "'.$level.'" is not defined, use one of: '.implode(', ', array_keys(static::$levels)));
}
return static::$levels[$level];
}
/**
* Converts PSR-3 levels to Monolog ones if necessary
*
* @param string|int Level number (monolog) or name (PSR-3)
* @return int
*/
public static function toMonologLevel($level)
{
if (is_string($level) && defined(__CLASS__.'::'.strtoupper($level))) {
return constant(__CLASS__.'::'.strtoupper($level));
}
return $level;
}
/**
* Checks whether the Logger has a handler that listens on the given level
*
* @param int $level
* @return Boolean
*/
public function isHandling($level)
{
$record = array(
'level' => $level,
);
foreach ($this->handlers as $handler) {
if ($handler->isHandling($record)) {
return true;
}
}
return false;
}
/**
* Adds a log record at an arbitrary level.
*
* This method allows for compatibility with common interfaces.
*
* @param mixed $level The log level
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function log($level, $message, array $context = array())
{
$level = static::toMonologLevel($level);
return $this->addRecord($level, $message, $context);
}
/**
* Adds a log record at the DEBUG level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function debug($message, array $context = array())
{
return $this->addRecord(static::DEBUG, $message, $context);
}
/**
* Adds a log record at the INFO level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function info($message, array $context = array())
{
return $this->addRecord(static::INFO, $message, $context);
}
/**
* Adds a log record at the NOTICE level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function notice($message, array $context = array())
{
return $this->addRecord(static::NOTICE, $message, $context);
}
/**
* Adds a log record at the WARNING level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function warn($message, array $context = array())
{
return $this->addRecord(static::WARNING, $message, $context);
}
/**
* Adds a log record at the WARNING level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function warning($message, array $context = array())
{
return $this->addRecord(static::WARNING, $message, $context);
}
/**
* Adds a log record at the ERROR level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function err($message, array $context = array())
{
return $this->addRecord(static::ERROR, $message, $context);
}
/**
* Adds a log record at the ERROR level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function error($message, array $context = array())
{
return $this->addRecord(static::ERROR, $message, $context);
}
/**
* Adds a log record at the CRITICAL level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function crit($message, array $context = array())
{
return $this->addRecord(static::CRITICAL, $message, $context);
}
/**
* Adds a log record at the CRITICAL level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function critical($message, array $context = array())
{
return $this->addRecord(static::CRITICAL, $message, $context);
}
/**
* Adds a log record at the ALERT level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function alert($message, array $context = array())
{
return $this->addRecord(static::ALERT, $message, $context);
}
/**
* Adds a log record at the EMERGENCY level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function emerg($message, array $context = array())
{
return $this->addRecord(static::EMERGENCY, $message, $context);
}
/**
* Adds a log record at the EMERGENCY level.
*
* This method allows for compatibility with common interfaces.
*
* @param string $message The log message
* @param array $context The log context
* @return Boolean Whether the record has been processed
*/
public function emergency($message, array $context = array())
{
return $this->addRecord(static::EMERGENCY, $message, $context);
}
/**
* Set the timezone to be used for the timestamp of log records.
*
* This is stored globally for all Logger instances
*
* @param \DateTimeZone $tz Timezone object
*/
public static function setTimezone(\DateTimeZone $tz)
{
self::$timezone = $tz;
}
}
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