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PHP infinite classification function_PHP tutorial

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ar=array(0=>array('name'=>'food','id' =>1,'pid'=>0),

02 1=>array('name'=>'Plant','id'=>2,'pid'=> ;0),

03 3=>array('name'=>'白菜','id'=>3,'pid'=>1),

" =>'Apple','id'=>5,'pid'=>3),

06     6=>array('name'=>'Pine','id' =>6,'pid'=>4),

07 7=>array('name'=>'Drink','id'=>7,'pid'=> ;1),

08 8=>array('name'=>'Test 1','id'=>8,'pid'=>7),

09               9=>array('name'=>'Test 2','id'=>9,'pid'=>8),

10               10=>array(' name'=>'People','id'=>10,'pid'=>9),

11 11=>array('name'=>'Xiaomi',' id'=>11,'pid'=>0),

12 );

13

14 echo '

';

15 tre($ar,0);

16 echo '

';

18 function tre($tree,$id)

19 {

20 $str = ''; '';

22 foreach ($tree as $key => $item)

23 {

24 if ($item['pid'] == $id) {

25                                                                  $i = 0; 🎜>27                                                                         ​ i == 0) {

28                                                                                                                                                                                                                 td rowspan="'.$i.'">';

31                                 } 

32                                 //echo ''; 

33                                 echo $item['name']; 

34                                 echo ''; 

35                                 tre($tree,$item['id']); 

36                         } 

37                 } 

38                 //tre($tree,$strid); 

39         } 

40           

41         function sonNum($tre,$sum,$totale=1) 

42         { 

43                 foreach ($tre as $key => $value) 

44                 { 

45                         if ($value['pid'] == $sum){ 

46                                 $totale += sonNum($tre,$value['id'],1); 

47                         } 

48                 } 

49                 return $totale; 

50         }


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