/system/helpers/array_helper.php

http://bitstopdev-hostedqueuesys.googlecode.com/ · PHP · 78 lines · 23 code · 9 blank · 46 comment · 6 complexity · 2f74d5b0ea914ba0b35dca60153e4d91 MD5 · raw file 

    

  1. <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
    2. 

  2. /**
    3. 

  3.  * CodeIgniter
    4. 

  4.  *
    5. 

  5.  * An open source application development framework for PHP 4.3.2 or newer
    6. 

  6.  *
    7. 

  7.  * @package		CodeIgniter
    8. 

  8.  * @author		ExpressionEngine Dev Team
    9. 

  9.  * @copyright	Copyright (c) 2008 - 2010, EllisLab, Inc.
    10. 

  10.  * @license		http://codeigniter.com/user_guide/license.html
    11. 

  11.  * @link		http://codeigniter.com
    12. 

  12.  * @since		Version 1.0
    13. 

  13.  * @filesource
    14. 

  14.  */
    15. 

  15. 

  16. // ------------------------------------------------------------------------
    17. 

  17. 

  18. /**
    19. 

  19.  * CodeIgniter Array Helpers
    20. 

  20.  *
    21. 

  21.  * @package		CodeIgniter
    22. 

  22.  * @subpackage	Helpers
    23. 

  23.  * @category	Helpers
    24. 

  24.  * @author		ExpressionEngine Dev Team
    25. 

  25.  * @link		http://codeigniter.com/user_guide/helpers/array_helper.html
    26. 

  26.  */
    27. 

  27. 

  28. // ------------------------------------------------------------------------
    29. 

  29. 

  30. /**
    31. 

  31.  * Element
    32. 

  32.  *
    33. 

  33.  * Lets you determine whether an array index is set and whether it has a value.
    34. 

  34.  * If the element is empty it returns FALSE (or whatever you specify as the default value.)
    35. 

  35.  *
    36. 

  36.  * @access	public
    37. 

  37.  * @param	string
    38. 

  38.  * @param	array
    39. 

  39.  * @param	mixed
    40. 

  40.  * @return	mixed	depends on what the array contains
    41. 

  41.  */	
    42. 

  42. if ( ! function_exists('element'))
    43. 

  43. {
    44. 

  44. 	function element($item, $array, $default = FALSE)
    45. 

  45. 	{
    46. 

  46. 		if ( ! isset($array[$item]) OR $array[$item] == "")
    47. 

  47. 		{
    48. 

  48. 			return $default;
    49. 

  49. 		}
    50. 

  50. 

  51. 		return $array[$item];
    52. 

  52. 	}	
    53. 

  53. }
    54. 

  54. 

  55. // ------------------------------------------------------------------------
    56. 

  56. 

  57. /**
    58. 

  58.  * Random Element - Takes an array as input and returns a random element
    59. 

  59.  *
    60. 

  60.  * @access	public
    61. 

  61.  * @param	array
    62. 

  62.  * @return	mixed	depends on what the array contains
    63. 

  63.  */	
    64. 

  64. if ( ! function_exists('random_element'))
    65. 

  65. {
    66. 

  66. 	function random_element($array)
    67. 

  67. 	{
    68. 

  68. 		if ( ! is_array($array))
    69. 

  69. 		{
    70. 

  70. 			return $array;
    71. 

  71. 		}
    72. 

  72. 		return $array[array_rand($array)];
    73. 

  73. 	}	
    74. 

  74. }
    75. 

  75. 

  76. 

  77. /* End of file array_helper.php */
    78. 

  78. /* Location: ./system/helpers/array_helper.php */
    79.