/**
* Resets keys of an array containing a collection of objects to numerical values starting with `0`.
*
* @param array|object $objects Collection of objects - either an array or a collection object that implements `toArray` method.
* @return array Resetted array.
*
* @throws InvalidArgumentException When the `$objects` argument is not an array or cannot be converted to an array.
*/
public static function resetKeys($objects)
{
// convert to array, for example for Doctrine collections
if (is_object($objects) && method_exists($objects, 'toArray')) {
$objects = $objects->toArray();
}
if (!is_array($objects)) {
throw new InvalidArgumentException('array or object convertible to array', $objects);
}
return ArrayUtils::resetKeys($objects);
}
public function testResetKeys()
{
foreach (array('empty_array', 'char_keys', 'int_unsorted_keys', 'mixed_unsorted_keys', 'int_single_wrong_key', '2D_collection_5_named') as $arrayName) {
$this->assertTrue(ArrayUtils::isCollection(ArrayUtils::resetKeys($this->_getArrayPreset($arrayName))), 'Failed to assert that MD\\Foundation\\Utils\\ArrayUtils::resetKeys() returns a collection for array preset "' . $arrayName . '".');
}
}
/**
* Returns a list of ancestors of the given object in an array.
*
* Example:
*
* $logger = new \Psr\Log\NullLogger();
* echo \MD\Foundation\Debug\Debugger::getObjectAncestors($logger);
* // -> array('Psr\Log\AbstractLogger')
*
* echo \MD\Foundation\Debug\Debugger::getObjectAncestors('\Psr\Log\NullLogger');
* // -> array('Psr\Log\AbstractLogger')
*
* @param object|string $object Object or string name of a class.
* @return array
*/
public static function getObjectAncestors($object)
{
$parents = class_parents($object);
$parents = ArrayUtils::resetKeys($parents);
$parents = array_map(function ($parent) {
return ltrim($parent, NS);
}, $parents);
return $parents;
}
