/**
* Print backtrace link
*
* <code>
* Panda_Debug::trace();
* </code>
*
* @param string $return return string if true
* @param array $debugBackTrace array:trace data false:trace from here
*
* @return void
*/
public static function trace($return = false, $debugBackTrace = false)
{
assert(is_bool($return));
assert(is_bool($debugBackTrace) || is_array($debugBackTrace));
$debugBackTrace = $debugBackTrace ? $debugBackTrace : debug_backtrace();
$id = md5(print_r($debugBackTrace, true));
foreach ($debugBackTrace as &$row) {
if (!isset($row['file']) && isset($row['class'])) {
$ref = new ReflectionMethod($row['class'], $row['function']);
$row['file'] = $ref->getFileName();
$row['line'] = $ref->getStartLine();
$row['end'] = $ref->getEndLine();
}
}
$pageLogPath = Panda::getTempDir() . "/trace-{$id}.log";
file_put_contents($pageLogPath, serialize($debugBackTrace));
$style = "padding:3px;margin:0px 4px;font-size:12px;color:white;background-color:black;font:arial white";
$name = "{$debugBackTrace[0]['file']} in {$debugBackTrace[0]['line']}";
$link = '<a href="/__panda/trace/?id=' . $id . '" title="' . $name . '" target="_panda_trace_' . $id . '" style="';
$link .= $style . '">trace</a>';
if ($return === true) {
return $link;
}
echo $link;
}
/**
* Init
*
* @return void
*/
private function _init()
{
// init
$traceFile = Panda::getTempDir() . '/trace-' . $_GET['id'] . '.log';
if (!file_exists($traceFile)) {
error_reporting(E_ALL);
trigger_error('invalid trace file. ' . $traceFile, E_USER_ERROR);
}
// store trace data
$this->_traceLog = @unserialize(file_get_contents($traceFile));
if (!$this->_traceLog) {
die("<p>trace is not available...</p>");
}
// store refection data if exists
$refDataFile = "{$traceFile}.ref.log";
if (file_exists($refDataFile)) {
$this->_ref = unserialize(file_get_contents($refDataFile));
}
$this->_traceLevels = array_keys($this->_traceLog);
$this->_levelNum = count($this->_traceLevels);
$this->_editor = isset($_GET['editor']) ? $_GET['editor'] : self::EDITOR_NONE;
}
