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PHP Infinitus classification related codes

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Release： 2016-07-25 08:43:23
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  2. //Non-recursively get all descendant categories
  3. function get_offspring($pids, $list)
  4. {
  5. $npid = array();
  6. $offspring = array();
  7. $has_child = true;
  8. while( $has_child)
  9. {
  10. $has_child = false;
  11. foreach($list as $lk => $lv)
  12. {
  13. if(in_array($lv['pid'], $pids))
  14. {
  15. $offspring[ ] = $lv;
  16. $npid[] = $lv['cid'];
  17. unset($list[$lk]);
  18. $has_child = true;
  19. }
  20. }
  21. $pids = $npid;
  22. }
  23. return $offspring;
  24. }
  25. //Use the path field to get the descendant classification
  26. function get_offspring($pid)
  27. {
  28. $offspring = array();
  29. $cats = $this->getList('cat_id,cat_name,parent_id, cat_path', array(), 0, -1);
  30. foreach($cats as $cv)
  31. {
  32. if(in_array($pid, explode(',', $cv['cat_path'])))
  33. {
  34. $offspring[] = $cv;
  35. }
  36. }
  37. return $offspring;
  38. }
  39. //Update descendant classification path
  40. function update_offspring_path($pid, $ppath)
  41. {
  42. if($ppath == ',')
  43. {
  44. $ppath = '';
  45. }
  46. $offspring = $this->get_offspring($pid);
  48. foreach($offspring as $ov)
  49. {
  50. $ov['cat_path'] = substr($ ov['cat_path'], 0, strlen($ov['cat_path'])-1);
  51. $old_path = explode(',', $ov['cat_path']);
  52. foreach($old_path as $oldk => $oldv)
  53. {
  54. if($oldv == $pid)
  55. {
  56. break;
  57. }
  58. unset($old_path[$oldk]);
  59. }
  60. $new_path = $ppath.implode(',' , $old_path).',';
  61. if(!$this->update(array('cat_path'=>$new_path), array('cat_id'=>$ov['cat_id'])))
  62. {
  63. return false;
  64. }
  65. }
  66. return true;
  67. }
  68. //Organize the list into a tree shape
  69. function get_tree_list($pid, $arr, &$r)
  70. {
  71. foreach($arr as $k = > $v)
  72. {
  73. if($v['parent_id'] == $pid)
  74. {
  75. if(isset($r[$pid]))//Set the subclass tag
  76. {
  77. $r[ $pid]['has_child'] = 1;
  78. }
  80. $v['cat_path'] = trim($v['cat_path']);//Calculate depth
  81. $path_str = substr($v['cat_path' ], 0, strlen($v['cat_path'])-1);
  82. if($path_str == '')
  83. {
  84. $v['deep'] = 0;
  85. }
  86. else
  87. {
  88. $v ['deep'] = count(explode(',', $path_str));
  89. }
  91. $v['format'] = str_repeat(' ', 6*$v['deep']);/ /Calculate indent
  93. $r[$v['cat_id']] = $v;//Add to ordered list
  95. unset($arr[$k]);//Add and remove from unordered list
  97. $this->get_tree_list($v['cat_id'], $arr, $r);
  98. }
  99. }
  100. }
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Infinitus, PHP


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PHP无限极分类相关代码
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