farinspace / php_clean_function.php

Created July 06, 2011


    
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            function clean(&$arr)
{
	if (is_array($arr))
	{
		foreach ($arr as $i => $v)
		{
			if (is_array($arr[$i])) 
			{
				clean($arr[$i]);
 
				if (!count($arr[$i])) 
				{
					unset($arr[$i]);
				}
			}
			else 
			{
				if ('' == trim($arr[$i]) OR is_null($arr[$i])) 
				{
					unset($arr[$i]);
				}
			}
		}

		if (!count($arr)) 
		{
			$arr = array();
		}
		else
		{
			$keys = array_keys($arr);

			$is_numeric = TRUE;

			foreach ($keys as $key)
			{
				if (!is_numeric($key)) 
				{
					$is_numeric = FALSE;
					break;
				}
			}

			if ($is_numeric)
			{
				$arr = array_values($arr);
			}
		}
	}
}