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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
   1  <?php
   2  
   3  namespace Psr\Log;
   4  
   5  /**
   6   * This is a simple Logger implementation that other Loggers can inherit from.
   7   *
   8   * It simply delegates all log-level-specific methods to the `log` method to
   9   * reduce boilerplate code that a simple Logger that does the same thing with
  10   * messages regardless of the error level has to implement.
  11   */
  12  abstract class AbstractLogger implements LoggerInterface
  13  {
  14      /**
  15       * System is unusable.
  16       *
  17       * @param string  $message
  18       * @param mixed[] $context
  19       *
  20       * @return void
  21       */
  22      public function emergency($message, array $context = array())
  23      {
  24          $this->log(LogLevel::EMERGENCY, $message, $context);
  25      }
  26  
  27      /**
  28       * Action must be taken immediately.
  29       *
  30       * Example: Entire website down, database unavailable, etc. This should
  31       * trigger the SMS alerts and wake you up.
  32       *
  33       * @param string  $message
  34       * @param mixed[] $context
  35       *
  36       * @return void
  37       */
  38      public function alert($message, array $context = array())
  39      {
  40          $this->log(LogLevel::ALERT, $message, $context);
  41      }
  42  
  43      /**
  44       * Critical conditions.
  45       *
  46       * Example: Application component unavailable, unexpected exception.
  47       *
  48       * @param string  $message
  49       * @param mixed[] $context
  50       *
  51       * @return void
  52       */
  53      public function critical($message, array $context = array())
  54      {
  55          $this->log(LogLevel::CRITICAL, $message, $context);
  56      }
  57  
  58      /**
  59       * Runtime errors that do not require immediate action but should typically
  60       * be logged and monitored.
  61       *
  62       * @param string  $message
  63       * @param mixed[] $context
  64       *
  65       * @return void
  66       */
  67      public function error($message, array $context = array())
  68      {
  69          $this->log(LogLevel::ERROR, $message, $context);
  70      }
  71  
  72      /**
  73       * Exceptional occurrences that are not errors.
  74       *
  75       * Example: Use of deprecated APIs, poor use of an API, undesirable things
  76       * that are not necessarily wrong.
  77       *
  78       * @param string  $message
  79       * @param mixed[] $context
  80       *
  81       * @return void
  82       */
  83      public function warning($message, array $context = array())
  84      {
  85          $this->log(LogLevel::WARNING, $message, $context);
  86      }
  87  
  88      /**
  89       * Normal but significant events.
  90       *
  91       * @param string  $message
  92       * @param mixed[] $context
  93       *
  94       * @return void
  95       */
  96      public function notice($message, array $context = array())
  97      {
  98          $this->log(LogLevel::NOTICE, $message, $context);
  99      }
 100  
 101      /**
 102       * Interesting events.
 103       *
 104       * Example: User logs in, SQL logs.
 105       *
 106       * @param string  $message
 107       * @param mixed[] $context
 108       *
 109       * @return void
 110       */
 111      public function info($message, array $context = array())
 112      {
 113          $this->log(LogLevel::INFO, $message, $context);
 114      }
 115  
 116      /**
 117       * Detailed debug information.
 118       *
 119       * @param string  $message
 120       * @param mixed[] $context
 121       *
 122       * @return void
 123       */
 124      public function debug($message, array $context = array())
 125      {
 126          $this->log(LogLevel::DEBUG, $message, $context);
 127      }
 128  }