ThinkPHP template Volist tag nested loop output multi-dimensional array method, thinkphpvolist_PHP tutorial

ThinkPHP template Volist tag nested loop output multi-dimensional array method, thinkphpvolist

This article describes the example of ThinkPHP template Volist tag nested loop output multi-dimensional array method. Share it with everyone for your reference, the details are as follows:

The nested use of volist tags in ThinkPHP can achieve the output of multi-dimensional arrays.

volist nested using

General two-dimensional arrays can be output directly in a loop using the volist tag. For multi-dimensional arrays, you need to use the volist label again for nested loop output on the array members.

Construct a multidimensional array:

$food = array();
$food[0]['fruits'][0]['fruits1'] = '苹果1';
$food[0]['fruits'][0]['fruits2'] = '桔子1';
$food[0]['fruits'][0]['fruits3'] = '香蕉1';
$food[0]['vegetables'] = '白菜1';
$food[1]['fruits'][1]['fruits1'] = '苹果2';
$food[1]['fruits'][1]['fruits2'] = '桔子2';
$food[1]['fruits'][1]['fruits3'] = '香蕉2';
$food[1]['vegetables'] = '白菜2';

Use the print_r() function to print out the array as follows:

Array
(
  [0] => Array
    (
      [fruits] => Array
        (
          [0] => Array
            (
              [fruits1] => 苹果1
              [fruits2] => 桔子1
              [fruits3] => 香蕉1
            )
        )
      [vegetables] => 白菜1
    )
  [1] => Array
    (
      [fruits] => Array
        (
          [1] => Array
            (
              [fruits1] => 苹果2
              [fruits2] => 桔子2
              [fruits3] => 香蕉2
            )
        )
      [vegetables] => 白菜2
    )
)

Assign variables to the template in the corresponding module operation (such as Index/display) and output the template:

$this->assign( "food", $food );
$this->display();

Template Tpl/default/Index/display.html:

<p>食物品种：</p><br />
<volist name="food" id="vo">
 <volist name="vo['fruits']" id="f">
 <p>水果1：{$f['fruits1']}</p>
 <p>水果2：{$f['fruits2']}</p>
 <p>水果3：{$f['fruits3']}</p>
 </volist>
 <p>蔬菜：{$vo['vegetables']}</p><br />
</volist>

In the template, first loop the $food variable to output. Since the member fruits of the $food array is also an array, the $vo['fruits'] variable is then output in a loop (note that there is no $ symbol).

The output results are as follows:

食物品种：

水果1：苹果1
水果2：桔子1
水果3：香蕉1
蔬菜：白菜1

水果1：苹果2
水果2：桔子2
水果3：香蕉2
蔬菜：白菜2

Similarly, this method can be used to loop output of arrays with more dimensions.

Readers who are interested in more thinkPHP-related content can check out the special topics on this site: "ThinkPHP Getting Started Tutorial", "ThinkPHP Common Methods Summary", "Smarty Template Basic Tutorial" and "PHP Template Technology Summary".

I hope this article will be helpful to everyone’s PHP programming based on the ThinkPHP framework.

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