/**
* Dump implementation for JSON.
* @param mixed variable to dump
* @param int current recursion level
* @return string
*/
private function jsonDump(&$var, $level = 0)
{
if (is_bool($var) || is_null($var) || is_int($var) || is_float($var)) {
return $var;
} elseif (is_string($var)) {
return Dumper::encodeString($var, $this->maxLength);
} elseif (is_array($var)) {
static $marker;
if ($marker === NULL) {
$marker = uniqid("", TRUE);
}
if (isset($var[$marker])) {
return "…RECURSION…";
} elseif ($level < $this->maxDepth || !$this->maxDepth) {
$var[$marker] = TRUE;
$res = array();
foreach ($var as $k => &$v) {
if ($k !== $marker) {
$res[$this->jsonDump($k)] = $this->jsonDump($v, $level + 1);
}
}
unset($var[$marker]);
return $res;
} else {
return " … ";
}
} elseif (is_object($var)) {
$arr = (array) $var;
static $list = array();
if (in_array($var, $list, TRUE)) {
return "…RECURSION…";
} elseif ($level < $this->maxDepth || !$this->maxDepth) {
$list[] = $var;
$res = array("" => '(object) ' . get_class($var));
foreach ($arr as $k => &$v) {
if ($k[0] === "") {
$k = substr($k, strrpos($k, "") + 1);
}
$res[$this->jsonDump($k)] = $this->jsonDump($v, $level + 1);
}
array_pop($list);
return $res;
} else {
return " … ";
}
} elseif (is_resource($var)) {
return 'resource ' . get_resource_type($var);
} else {
return 'unknown type';
}
}
