note 97344 added to function.get-called-class

I added a little cache to Laurence's work, so the function doesn't have to parse the sourcefile each time it is called: <? $get_called_class_cache_file = "/path/to/writeable/file.php"; if(file_exists($get_called_class_cache_file)) { $GLOBALS["get_called_classes"] = include_once($get_called_class_cache_file); } else { $GLOBALS["get_called_classes"] = array(); file_put_contents($get_called_class_cache_file,'<? return '.var_export($GLOBALS["get_called_classes"], 1).';'); } function get_called_class($bt = false, $l = 1) { global $get_called_class_cache_file; if (!$bt) $bt = debug_backtrace(); if (!isset($bt[$l])) throw new Exception("Cannot find called class -> stack level too deep."); if (!isset($bt[$l]["type"])) throw new Exception ("type not set"); switch ($bt[$l]['type']) { case "::": if (array_key_exists($bt[$l]['file'], $GLOBALS["get_called_classes"])) return $GLOBALS["get_called_classes"][$bt[$l]['file']]; $lines = file($bt[$l]['file']); $i = 0; $callerLine = ''; $class_name = ""; do { $i++; $callerLine = $lines[$bt[$l]['line']-$i] . $callerLine; } while (stripos($callerLine,$bt[$l]['function']) === false); $matches = array(); preg_match('/([a-zA-Z0-9\_]+)::'.$bt[$l]['function'].'/', $callerLine, $matches); if (!isset($matches[1])) throw new Exception ("Could not find caller class: originating method call is obscured."); // must be an edge case. switch ($matches[1]) { case 'self': case 'parent': $class_name = get_called_class($bt,$l+1); break; default: $class_name = $matches[1]; break; } $GLOBALS["get_called_classes"][$bt[$l]['file']] = $class_name; file_put_contents($get_called_class_cache_file,'<? return '.var_export($GLOBALS["get_called_classes"], 1).';'); return $class_name; case '->': switch ($bt[$l]['function']) { case '__get': // edge case -> get class of calling object if (!is_object($bt[$l]['object'])) throw new Exception ("Edge case fail. __get called on non object."); return get_class($bt[$l]['object']); default: return $bt[$l]['class']; } default: throw new Exception ("Unknown backtrace method type"); } } ?> ---- Server IP: 212.124.37.9 Probable Submitter: 80.153.227.197 ---- Manual Page -- http://www.php.net/manual/en/function.get-called-class.php Edit -- https://master.php.net/note/edit/97344 Del: integrated -- https://master.php.net/note/delete/97344/integrated Del: useless -- https://master.php.net/note/delete/97344/useless Del: bad code -- https://master.php.net/note/delete/97344/bad+code Del: spam -- https://master.php.net/note/delete/97344/spam Del: non-english -- https://master.php.net/note/delete/97344/non-english Del: in docs -- https://master.php.net/note/delete/97344/in+docs Del: other reasons-- https://master.php.net/note/delete/97344 Reject -- https://master.php.net/note/reject/97344 Search -- https://master.php.net/manage/user-notes.php