Online PHP editor | output for NOGDr

@ 2016-06-08T13:47:38Z

<?php
class ReflectionHelper
{
    public static function getProperties(\ReflectionClass $ref)
    {
        $props = $ref->getProperties();
        $propsArr = array();

        foreach ($props as $prop) {
            $f = $prop->getName();
            $propsArr[$f] = $prop;
        }

        if ($parentClass = $ref->getParentClass()) {
            $parentPropsArr = self::getProperties($parentClass);
            if (count($parentPropsArr) > 0) {
                $propsArr = array_merge($parentPropsArr, $propsArr);
            }
        }
        return $propsArr;
    }
}

class DeepCopy
{

    /**
     * Perform a deep copy of the object.
     * @param mixed $object
     * @return mixed
     */
    public function copy($object)
    {
        $this->hashMap = [];

        return $this->recursiveCopy($object);
    }


    private function recursiveCopy($var)
    {
        // Resource
        if (is_resource($var)) {
            return $var;
        }
        // Array
        if (is_array($var)) {
            return $this->copyArray($var);
        }
        // Scalar
        if (! is_object($var)) {
            return $var;
        }
        // Object
        return $this->copyObject($var);
    }

    /**
     * Copy an array
     * @param array $array
     * @return array
     */
    private function copyArray(array $array)
    {
        $copier = function($item) {
            return $this->recursiveCopy($item);
        };

        return array_map($copier, $array);
    }

    /**
     * Copy an object
     * @param object $object
     * @return object
     */
    private function copyObject($object)
    {
        $reflectedObject = new \ReflectionObject($object);

        $newObject = clone $object;

        foreach (ReflectionHelper::getProperties($reflectedObject) as $property) {
            $this->copyObjectProperty($newObject, $property);
        }

        return $newObject;
    }

    private function copyObjectProperty($object, ReflectionProperty $property)
    {
        // Ignore static properties
        if ($property->isStatic()) {
            return;
        }

        $property->setAccessible(true);
        $propertyValue = $property->getValue($object);

        // Copy the property
        $property->setValue($object, $this->recursiveCopy($propertyValue));
    }

}

class TestObject {
    private $name;
    private $startDate;
    
    public function __construct() {
        $this->name = "Peter";
        $this->startDate = new DateTime("2016-04-05");
    }
}

function copyObjectProperty($object, ReflectionProperty $property) {
    // Ignore static properties
    if ($property->isStatic()) {
        return;
    }
    
    $property->setAccessible(true);
    $propertyValue = $property->getValue($object);

    // Copy the property
    $property->setValue($object, recursiveCopy($propertyValue));
}

$object = new TestObject();
$deepCopy = new DeepCopy();
$newObject = $deepCopy->copy($object);

var_dump($newObject);

Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: Deprecated: Creation of dynamic property DeepCopy::$hashMap is deprecated in /in/NOGDr on line 34 object(TestObject)#5 (2) { ["name":"TestObject":private]=> string(5) "Peter" ["startDate":"TestObject":private]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2016-04-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.6, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28: object(TestObject)#5 (2) { ["name":"TestObject":private]=> string(5) "Peter" ["startDate":"TestObject":private]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2016-04-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 7.3.32 - 7.3.33, 8.0.13: object(TestObject)#5 (2) { ["name":"TestObject":private]=> string(5) "Peter" ["startDate":"TestObject":private]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2016-04-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } }
Output for 7.0.7 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31: Notice: Undefined property: DateTime::$date in /in/NOGDr on line 98 Notice: Undefined property: DateTime::$timezone_type in /in/NOGDr on line 98 Notice: Undefined property: DateTime::$timezone in /in/NOGDr on line 98 object(TestObject)#5 (2) { ["name":"TestObject":private]=> string(5) "Peter" ["startDate":"TestObject":private]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2016-04-05 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 5.4.0 - 5.4.29, 5.5.0 - 5.5.13: object(TestObject)#5 (2) { ["name":"TestObject":private]=> string(5) "Peter" ["startDate":"TestObject":private]=> object(DateTime)#9 (3) { ["date"]=> string(19) "2016-04-05 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/NOGDr on line 34
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/NOGDr on line 4 Parse error: syntax error, unexpected '[' in /in/NOGDr on line 34
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/NOGDr on line 4 Parse error: parse error, unexpected '[' in /in/NOGDr on line 34
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NOGDr on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/NOGDr on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/NOGDr on line 4
Process exited with code 255.

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