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File: vendor/sebastian/object-enumerator/src/Enumerator.php

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File: vendor/sebastian/object-enumerator/src/Enumerator.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Pokemon Script
Provides an API to manage a database of Pokemons
Author: By
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Date: 2 years ago
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<?php
/*
 * This file is part of Object Enumerator.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\ObjectEnumerator;

use
SebastianBergmann\RecursionContext\Context;

/**
 * Traverses array structures and object graphs
 * to enumerate all referenced objects.
 */
class Enumerator
{
   
/**
     * Returns an array of all objects referenced either
     * directly or indirectly by a variable.
     *
     * @param array|object $variable
     *
     * @return object[]
     */
   
public function enumerate($variable)
    {
        if (!
is_array($variable) && !is_object($variable)) {
            throw new
InvalidArgumentException;
        }

        if (isset(
func_get_args()[1])) {
            if (!
func_get_args()[1] instanceof Context) {
                throw new
InvalidArgumentException;
            }

           
$processed = func_get_args()[1];
        } else {
           
$processed = new Context;
        }

       
$objects = [];

        if (
$processed->contains($variable)) {
            return
$objects;
        }

       
$array = $variable;
       
$processed->add($variable);

        if (
is_array($variable)) {
            foreach (
$array as $element) {
                if (!
is_array($element) && !is_object($element)) {
                    continue;
                }

               
$objects = array_merge(
                   
$objects,
                   
$this->enumerate($element, $processed)
                );
            }
        } else {
           
$objects[] = $variable;
           
$reflector = new \ReflectionObject($variable);

            foreach (
$reflector->getProperties() as $attribute) {
               
$attribute->setAccessible(true);

                try {
                   
$value = $attribute->getValue($variable);
                } catch (\
Throwable $e) {
                    continue;
                } catch (\
Exception $e) {
                    continue;
                }

                if (!
is_array($value) && !is_object($value)) {
                    continue;
                }

               
$objects = array_merge(
                   
$objects,
                   
$this->enumerate($value, $processed)
                );
            }
        }

        return
$objects;
    }
}