closure.php

<?php

class Kint_Objects_Closure extends KintObject {
    public function parse(&$variable) {
        if (!$variable instanceof Closure) {
            return false;
        }
        $this->name = 'Closure';
        $reflection = new ReflectionFunction($variable);
        $ret = array(
            'Parameters' => array(),
        );
        if ($val = $reflection->getParameters()) {
            foreach ($val as $parameter) {
                // todo http://php.net/manual/en/class.reflectionparameter.php
                $ret['Parameters'][] = $parameter->name;
            }
        }
        if ($val = $reflection->getStaticVariables()) {
            $ret['Uses'] = $val;
        }
        if (method_exists($reflection, 'getClousureThis') && ($val = $reflection->getClosureThis())) {
            $ret['Uses']['$this'] = $val;
        }
        if ($val = $reflection->getFileName()) {
            $this->value = Kint::shortenPath($val) . ':' . $reflection->getStartLine();
        }
        return $ret;
    }
    public function isDefaultValueAvailable() {
        if (PHP_VERSION_ID === 50316) {
            // PHP bug #62988
            try {
                $this->getDefaultValue();
                return true;
            } catch (\ReflectionException $e) {
                return false;
            }
        }
        return parent::isDefaultValueAvailable();
    }

}