/**
* Dump implementation for JSON.
* @param mixed variable to dump
* @param int current recursion level
* @return string
*/
private static function jsonDump(& $var, $level = 0)
{
if (is_bool($var) || is_null($var) || is_int($var) || is_float($var)) {
return $var;
} elseif (is_string($var)) {
if (Debugger::$maxLen && strlen($var) > Debugger::$maxLen) {
$var = substr($var, 0, Debugger::$maxLen) . " \xE2\x80\xA6 ";
}
return Helpers::fixEncoding($var);
} elseif (is_array($var)) {
static $marker;
if ($marker === NULL) {
$marker = uniqid("\x00", TRUE);
}
if (isset($var[$marker])) {
return "\xE2\x80\xA6RECURSION\xE2\x80\xA6";
} elseif ($level < Debugger::$maxDepth || !Debugger::$maxDepth) {
$var[$marker] = TRUE;
$res = array();
foreach ($var as $k => & $v) {
if ($k !== $marker) {
$res[self::jsonDump($k)] = self::jsonDump($v, $level + 1);
}
}
unset($var[$marker]);
return $res;
} else {
return " \xE2\x80\xA6 ";
}
} elseif (is_object($var)) {
$arr = (array) $var;
static $list = array();
if (in_array($var, $list, TRUE)) {
return "\xE2\x80\xA6RECURSION\xE2\x80\xA6";
} elseif ($level < Debugger::$maxDepth || !Debugger::$maxDepth) {
$list[] = $var;
$res = array("\x00" => '(object) ' . Helpers::getClass($var));
foreach ($arr as $k => & $v) {
if ($k[0] === "\x00") {
$k = substr($k, strrpos($k, "\x00") + 1);
}
$res[self::jsonDump($k)] = self::jsonDump($v, $level + 1);
}
array_pop($list);
return $res;
} else {
return " \xE2\x80\xA6 ";
}
} elseif (is_resource($var)) {
return 'resource ' . get_resource_type($var);
} else {
return 'unknown type';
}
}
