EntityBinding::findPrimaryBinding

static function findPrimaryBinding(array $bindings)
{
	foreach($bindings as $binding)
	{
		if(!is_array($binding))
		{
			continue;
		}

		if(isset($binding['IS_PRIMARY']) && $binding['IS_PRIMARY'] === 'Y')
		{
			return $binding;
		}
	}
	return null;
}