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observer.php
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1 <?php
22 {
29  var $_id = 0;
30 
41 
50  function Log_observer($priority = PEAR_LOG_INFO)
51  {
52  $this->_id = md5(microtime());
53  $this->_priority = $priority;
54  }
55 
70  function &factory($type, $priority = PEAR_LOG_INFO, $conf = array())
71  {
72  $type = strtolower($type);
73  $class = 'Log_observer_' . $type;
74 
75  /*
76  * If the desired class already exists (because the caller has supplied
77  * it from some custom location), simply instantiate and return a new
78  * instance.
79  */
80  if (class_exists($class)) {
81  $object = new $class($priority, $conf);
82  return $object;
83  }
84 
85  /* Support both the new-style and old-style file naming conventions. */
86  $newstyle = true;
87  $classfile = dirname(__FILE__) . '/observer_' . $type . '.php';
88 
89  if (!file_exists($classfile)) {
90  $classfile = 'Log/' . $type . '.php';
91  $newstyle = false;
92  }
93 
94  /*
95  * Attempt to include our version of the named class, but don't treat
96  * a failure as fatal. The caller may have already included their own
97  * version of the named class.
98  */
99  @include_once $classfile;
100 
101  /* If the class exists, return a new instance of it. */
102  if (class_exists($class)) {
103  /* Support both new-style and old-style construction. */
104  if ($newstyle) {
105  $object = new $class($priority, $conf);
106  } else {
107  $object = new $class($priority);
108  }
109  return $object;
110  }
111 
112  $null = null;
113  return $null;
114  }
115 
125  function notify($event)
126  {
127  print_r($event);
128  }
129 }