Dumper::export() - Code Metrics - Inspection of "Import simplified version of Common\Util\Debug for..." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#3180)

by Michael

created 2018-06-07 17:56 UTC

Dumper::export() C

↳ Parent: Dumper

Complexity

Conditions	12
Paths	24

Size

Total Lines	49
Code Lines	27

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	25
CRAP Score	12.1769

Importance

Changes

Metric	Value
dl	0
loc	49
c	0
b	0
f	0
ccs	25
cts	28
cp	0.8929
rs	5.1474
cc	12
eloc	27
nc	24
nop	2
crap	12.1769

How to fix Complexity

<?php

namespace Doctrine\DBAL\Tools;

use ArrayIterator;
use ArrayObject;
use DateTimeInterface;
use Doctrine\Common\Collections\Collection;
use Doctrine\Common\Persistence\Proxy;
use stdClass;
use function array_keys;
use function class_exists;
use function count;
use function end;
use function explode;
use function extension_loaded;
use function get_class;
use function html_entity_decode;
use function ini_get;
use function ini_set;
use function is_array;
use function is_object;
use function ob_get_clean;
use function ob_start;
use function strip_tags;
use function strrpos;
use function substr;
use function var_dump;

/**
 * Static class used to dump the variable to be used on output.
 * Simplified port of Util\Debug from doctrine/common.
 *
 * @internal
 */
final class Dumper
{
    /**
     * Private constructor (prevents instantiation).
     */
    private function __construct()
    {
    }

    /**
     * Returns a dump of the public, protected and private properties of $var.
     *
     * @link https://xdebug.org/
     *
     * @param mixed $var      The variable to dump.
     * @param int   $maxDepth The maximum nesting level for object properties.
     */
    public static function dump($var, int $maxDepth = 2) : string
    {
        $html = ini_get('html_errors');

        if ($html !== true) {
            ini_set('html_errors', true);
            ini_set('html_errors', /** @scrutinizer ignore-type */ true);
        }

        if (extension_loaded('xdebug')) {
            ini_set('xdebug.var_display_max_depth', $maxDepth);
        }

        $var = self::export($var, $maxDepth);

        ob_start();
        var_dump($var);


        try {
            return strip_tags(html_entity_decode(ob_get_clean()));
        } finally {
            ini_set('html_errors', $html);
        }
    }

    /**
     * @param mixed $var
     *
     * @return mixed
     */
    public static function export($var, int $maxDepth)
    {
        $return = null;
        $isObj  = is_object($var);

        if ($var instanceof Collection) {
            $var = $var->toArray();
        }

        if ($maxDepth === 0) {
            return is_object($var) ? get_class($var)
                : (is_array($var) ? 'Array(' . count($var) . ')' : $var);
        }

        if (is_array($var)) {
            $return = [];

            foreach ($var as $k => $v) {
                $return[$k] = self::export($v, $maxDepth - 1);
            }

            return $return;
        }

        if (! $isObj) {
            return $var;
        }

        $return = new stdClass();
        if ($var instanceof DateTimeInterface) {
            $return->__CLASS__ = get_class($var);
            $return->date      = $var->format('c');
            $return->timezone  = $var->getTimezone()->getName();

            return $return;
        }

        $return->__CLASS__ = self::getClass($var);

        if ($var instanceof Proxy) {
            $return->__IS_PROXY__          = true;
            $return->__PROXY_INITIALIZED__ = $var->__isInitialized();
        }

        if ($var instanceof ArrayObject || $var instanceof ArrayIterator) {
            $return->__STORAGE__ = self::export($var->getArrayCopy(), $maxDepth - 1);
        }

        return self::fillReturnWithClassAttributes($var, $return, $maxDepth);
        return self::fillReturnWithClassAttributes(/** @scrutinizer ignore-type */ $var, $return, $maxDepth);
    }

    /**
     * Fill the $return variable with class attributes
     * Based on obj2array function from {@see https://secure.php.net/manual/en/function.get-object-vars.php#47075}
     *
     * @param object $var
     *
     * @return mixed
     */
    private static function fillReturnWithClassAttributes($var, stdClass $return, int $maxDepth)
    {
        $clone = (array) $var;

        foreach (array_keys($clone) as $key) {
            $aux  = explode("\0", $key);
            $name = end($aux);
            if ($aux[0] === '') {
                $name .= ':' . ($aux[1] === '*' ? 'protected' : $aux[1] . ':private');
            }
            $return->$name = self::export($clone[$key], $maxDepth - 1);
            ;
        }

        return $return;
    }

    /**
     * @param object $object
     */
    private static function getClass($object) : string
    {
        $class = get_class($object);

        if (! class_exists(Proxy::class)) {
            return $class;
        }

        $pos = strrpos($class, '\\' . Proxy::MARKER . '\\');

        if ($pos === false) {
            return $class;
        }

        return substr($class, $pos + Proxy::MARKER_LENGTH + 2);
    }
}


doctrine / dbal

Pull Request — master (#3180)

Dumper::export() C

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

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