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Kohana Patch: Input library problem with [ and ]

/ Published in: PHP
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  1. /**
  2.  * Fetch an item from a global array.
  3.  *
  4.  * @param   array    array to search
  5.  * @param   string   key to find
  6.  * @param   mixed    default value
  7.  * @param   boolean  XSS clean the value
  8.  * @return  mixed
  9.  */
  10. protected function search_array($array, $key, $default = NULL, $xss_clean = FALSE)
  11. {
  12. 	if ($key === array())
  13. 		return $array;
  14.  
  15. 	//$key = 'option[min][max][x]';
  16.  
  17. 	// patch: start
  18. 	if (preg_match_all('!(?:\[([^]]+)\])!', $key, $subkeys))
  19. 	{
  20. 		list(, $subkeys) = $subkeys;
  21. 		array_unshift($subkeys, substr($key, 0, strpos($key, '[')));
  22. 		foreach ($subkeys as $key)
  23. 		{
  24. 			if ( ! isset($array[$key]))
  25. 				return $default;
  26. 			$array = $array[$key];
  27. 		}
  28. 		return $array;
  29. 	}
  30. 	// end
  31.  
  32. 	if ( ! isset($array[$key]))
  33. 		return $default;
  34.  
  35. 	// Get the value
  36. 	$value = $array[$key];
  37.  
  38. 	if ($this->use_xss_clean === FALSE AND $xss_clean === TRUE)
  39. 	{
  40. 		// XSS clean the value
  41. 		$value = $this->xss_clean($value);
  42. 	}
  43.  
  44. 	return $value;
  45. }

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