public static function trace(array $trace = NULL)
{
if ($trace === NULL) {
$trace = debug_backtrace();
}
$statements = array('include', 'include_once', 'require', 'require_once');
$output = array();
foreach ($trace as $step) {
if (!isset($step['function'])) {
continue;
}
if (isset($step['file']) and isset($step['line'])) {
$source = keke_debug::source($step['file'], $step['line']);
}
if (isset($step['file'])) {
$file = $step['file'];
if (isset($step['line'])) {
$line = $step['line'];
}
}
$function = $step['function'];
if (in_array($step['function'], $statements)) {
if (empty($step['args'])) {
$args = array();
} else {
$args = array($step['args'][0]);
}
} elseif (isset($step['args'])) {
if (!function_exists($step['function']) or strpos($step['function'], '{closure}') !== FALSE) {
$params = NULL;
} else {
if (isset($step['class'])) {
if (method_exists($step['class'], $step['function'])) {
$reflection = new ReflectionMethod($step['class'], $step['function']);
} else {
$reflection = new ReflectionMethod($step['class'], '__call');
}
} else {
$reflection = new ReflectionFunction($step['function']);
}
$params = $reflection->getParameters();
}
$args = array();
foreach ($step['args'] as $i => $arg) {
if (isset($params[$i])) {
$args[$params[$i]->name] = $arg;
} else {
$args[$i] = $arg;
}
}
}
if (isset($step['class'])) {
$function = $step['class'] . $step['type'] . $step['function'];
}
$output[] = array('function' => $function, 'args' => isset($args) ? $args : NULL, 'file' => isset($file) ? $file : NULL, 'line' => isset($line) ? $line : NULL, 'source' => isset($source) ? $source : NULL);
unset($function, $args, $file, $line, $source);
}
return $output;
}
