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/vendor/psr/log/Psr/Log/ -> LoggerInterface.php (source)

   1  <?php
   2  
   3  namespace Psr\Log;
   4  
   5  /**
   6   * Describes a logger instance.
   7   *
   8   * The message MUST be a string or object implementing __toString().
   9   *
  10   * The message MAY contain placeholders in the form: {foo} where foo
  11   * will be replaced by the context data in key "foo".
  12   *
  13   * The context array can contain arbitrary data. The only assumption that
  14   * can be made by implementors is that if an Exception instance is given
  15   * to produce a stack trace, it MUST be in a key named "exception".
  16   *
  17   * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
  18   * for the full interface specification.
  19   */
  20  interface LoggerInterface
  21  {
  22      /**
  23       * System is unusable.
  24       *
  25       * @param string  $message
  26       * @param mixed[] $context
  27       *
  28       * @return void
  29       */
  30      public function emergency($message, array $context = array());
  31  
  32      /**
  33       * Action must be taken immediately.
  34       *
  35       * Example: Entire website down, database unavailable, etc. This should
  36       * trigger the SMS alerts and wake you up.
  37       *
  38       * @param string  $message
  39       * @param mixed[] $context
  40       *
  41       * @return void
  42       */
  43      public function alert($message, array $context = array());
  44  
  45      /**
  46       * Critical conditions.
  47       *
  48       * Example: Application component unavailable, unexpected exception.
  49       *
  50       * @param string  $message
  51       * @param mixed[] $context
  52       *
  53       * @return void
  54       */
  55      public function critical($message, array $context = array());
  56  
  57      /**
  58       * Runtime errors that do not require immediate action but should typically
  59       * be logged and monitored.
  60       *
  61       * @param string  $message
  62       * @param mixed[] $context
  63       *
  64       * @return void
  65       */
  66      public function error($message, array $context = array());
  67  
  68      /**
  69       * Exceptional occurrences that are not errors.
  70       *
  71       * Example: Use of deprecated APIs, poor use of an API, undesirable things
  72       * that are not necessarily wrong.
  73       *
  74       * @param string  $message
  75       * @param mixed[] $context
  76       *
  77       * @return void
  78       */
  79      public function warning($message, array $context = array());
  80  
  81      /**
  82       * Normal but significant events.
  83       *
  84       * @param string  $message
  85       * @param mixed[] $context
  86       *
  87       * @return void
  88       */
  89      public function notice($message, array $context = array());
  90  
  91      /**
  92       * Interesting events.
  93       *
  94       * Example: User logs in, SQL logs.
  95       *
  96       * @param string  $message
  97       * @param mixed[] $context
  98       *
  99       * @return void
 100       */
 101      public function info($message, array $context = array());
 102  
 103      /**
 104       * Detailed debug information.
 105       *
 106       * @param string  $message
 107       * @param mixed[] $context
 108       *
 109       * @return void
 110       */
 111      public function debug($message, array $context = array());
 112  
 113      /**
 114       * Logs with an arbitrary level.
 115       *
 116       * @param mixed   $level
 117       * @param string  $message
 118       * @param mixed[] $context
 119       *
 120       * @return void
 121       *
 122       * @throws \Psr\Log\InvalidArgumentException
 123       */
 124      public function log($level, $message, array $context = array());
 125  }


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