array.lib.php 2.8 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This is the array library for Chamilo.
  5. * Include/require it in your code to use its functionality.
  6. *
  7. * @package chamilo.library
  8. */
  9. class ArrayClass {
  10. /**
  11. * Removes duplicate values from a dimensional array
  12. *
  13. * @param array a dimensional array
  14. * @return array an array with unique values
  15. *
  16. */
  17. function array_unique_dimensional($array) {
  18. if(!is_array($array))
  19. return $array;
  20. foreach ($array as &$myvalue) {
  21. $myvalue=serialize($myvalue);
  22. }
  23. $array=array_unique($array);
  24. foreach ($array as &$myvalue) {
  25. $myvalue=unserialize($myvalue);
  26. }
  27. return $array;
  28. }
  29. /**
  30. *
  31. * Sort multidimensional arrays
  32. *
  33. * @param array unsorted multidimensional array
  34. * @param string key to be sorted
  35. * @return array result array
  36. * @author found in http://php.net/manual/en/function.sort.php
  37. */
  38. function msort($array, $id='id', $order = 'desc') {
  39. if (empty($array)) {
  40. return $array;
  41. }
  42. $temp_array = array();
  43. while (count($array)>0) {
  44. $lowest_id = 0;
  45. $index=0;
  46. foreach ($array as $item) {
  47. if ($order == 'desc') {
  48. if ($item[$id]<$array[$lowest_id][$id]) {
  49. $lowest_id = $index;
  50. }
  51. } else {
  52. if ($item[$id]>$array[$lowest_id][$id]) {
  53. $lowest_id = $index;
  54. }
  55. }
  56. $index++;
  57. }
  58. $temp_array[] = $array[$lowest_id];
  59. $array = array_merge(array_slice($array, 0, $lowest_id), array_slice($array, $lowest_id+1));
  60. }
  61. return $temp_array;
  62. }
  63. function utf8_sort($array) {
  64. $old_locale = setlocale(LC_ALL, null);
  65. $code = api_get_language_isocode();
  66. $locale_list = array($code.'.utf8', 'en.utf8','en_US.utf8','en_GB.utf8');
  67. $try_sort = false;
  68. foreach($locale_list as $locale) {
  69. $my_local = setlocale(LC_COLLATE, $locale);
  70. if ($my_local) {
  71. $try_sort = true;
  72. break;
  73. }
  74. }
  75. if ($try_sort) {
  76. uasort($array, 'strcoll');
  77. }
  78. setlocale(LC_COLLATE, $old_locale);
  79. return $array;
  80. }
  81. function array_to_string($array, $separator = ',') {
  82. if (empty($array)) {
  83. return '';
  84. }
  85. return implode($separator.' ', $array);
  86. }
  87. function array_flatten(array $array) {
  88. $flatten = array();
  89. array_walk_recursive($array, function($value) use(&$flatten) {
  90. $flatten[] = $value;
  91. });
  92. return $flatten;
  93. }
  94. }