3v4l.org

run code in 300+ PHP versions simultaneously

@ 2013-11-14T17:28:56Z

<?php

function object_diff($source, $target)
{
    if (!is_object($source) || !is_object($target) || !($source instanceof $target))
    {
        return null;
    }
    $sourceProperties = [];
    $targetProperties = [];
    $sourceReflection = new ReflectionObject($source);
    $targetReflection = new ReflectionObject($target);
    foreach ($sourceReflection->getProperties() as $property)
    {
        $property->setAccessible(true);
        $sourceProperties[$property->getName()] = $property->getValue($source);
    }
    foreach ($targetReflection->getProperties() as $property)
    {
        $property->setAccessible(true);
        $targetProperties[$property->getName()] = $property->getValue($target);
    }
    return array_diff($sourceProperties, $targetProperties);
}

class Foo
{

    private $a, $b, $c;

    public function __construct($a, $b, $c)
    {
        $this->a = $a;
        $this->c = $b;
        $this->b = $b;
    }

}

$foo1 = new Foo('1', '2', '3');
$foo2 = new Foo('1', '3', '4');


var_dump(object_diff($foo1, $foo2));

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: array(2) { ["b"]=> string(1) "2" ["c"]=> string(1) "2" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/iRP5K on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/iRP5K on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING in /in/iRP5K on line 5
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 in /in/iRP5K on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/iRP5K on line 5
Process exited with code 255.

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