object_casting.php

<?php

/**
 * Class casting
 *
 * @param string|object $destination
 * @param object $sourceObject
 * @return object
 */
function cast_long($destination, $sourceObject)
{
    if (is_string($destination)) {
        $destination = new $destination();
    }
    $sourceReflection = new ReflectionObject($sourceObject);
    $destinationReflection = new ReflectionObject($destination);
    $sourceProperties = $sourceReflection->getProperties();
    foreach ($sourceProperties as $sourceProperty) {
        $sourceProperty->setAccessible(true);
        $name = $sourceProperty->getName();
        $value = $sourceProperty->getValue($sourceObject);
        if ($destinationReflection->hasProperty($name)) {
            $propDest = $destinationReflection->getProperty($name);
            $propDest->setAccessible(true);
            $propDest->setValue($destination,$value);
        } else {
            $destination->$name = $value;
        }
    }
    return $destination;
}

function objectToObject($instance, $className) {
    return unserialize(sprintf(
        'O:%d:"%s"%s',
        strlen($className),
        $className,
        strstr(strstr(serialize($instance), '"'), ':')
    ));
}

function cast_hack($to_class, $obj) {
  if(class_exists($to_class)) {
    $obj_in = serialize($obj);
    var_dump($obj_in);
    $obj_out = 'O:' . strlen($to_class) . ':"' . $to_class . '":' . substr($obj_in, $obj_in[2] + 7);
    var_dump($obj_out);
    return unserialize($obj_out);
  }
  return false;
}

function cast($destination, \stdClass $source)
{
    $sourceReflection = new \ReflectionObject($source);
    $sourceProperties = $sourceReflection->getProperties();
    foreach ($sourceProperties as $sourceProperty) {
        $name = $sourceProperty->getName();
        $destination->{$name} = $source->$name;
    }
    return $destination;
}

class Test {

  public $test = 1;

  public function __construct() {
    echo __FUNCTION__;
  }

}

$toCast = new \stdClass();
$toCast->test = 2;
$toCast->otherValue = "test";
$toCast->nestedObject = new \stdClass();
$toCast->nestedObject->value = 1;

var_dump(microtime(), $toCast);

$casted = cast(new Test, $toCast);

var_dump(microtime(), $casted);