Summary of how to use ThinkPHP's built-in template engine_PHP tutorial

ThinkPHP’s built-in template engine is an independently innovative XML compilation template engine. The following uses a case to share the usage of some commonly used template tags in ThinkPHP’s built-in template engine, including variable output, looping, judgment, comparison, etc. , these are relatively basic usages and cannot include all tags and features of ThinkPHP's built-in template engine.

(1) The following is the source code of the controller IndexAction class

<?php
class IndexAction extends Action{
    public function index() {
        $_SESSION['name']    =    'ThnkPHP Session';
        $vo    =    array('id'=>1,'name'=>'ThinkPHP','email'=>'liu21st@gmail.com');
        $this->assign('vo',$vo);
        $obj    =    (object)$vo;
        $this->assign('obj',$obj);
        $this->assign('array',array(5,260,13,7,40,50,2,1));
        $this->assign('num1',6);
        $this->assign('num2',2);
        $this->assign('num',6);
        $this->display();
    }
} 
?>

(2) The following demonstrates some basic usage of variables, constants and arrays assigned by the above controller to the template

Universal variable output

num1:{$num1}

Object output

id:{$obj:id}

name:{$obj:name}

Array output

id:{$vo['id']}

name:{$vo['name']}

Automatically determine array and object output

id:{$vo.id}

name:{$vo.name}

System constant output (system constants do not need to be assigned in the controller)

{$Think.now|date='Y-m-d H:i:s',###}

{$Think.server.PHP_SELF}

{$Think.session.name}

Use functions for variables (this can be built-in functions or custom functions)

{$vo.name|strtolower|ucwords}

Foreach output

{$key}:{$item}

The following example uses loop tags, Switch tags, and comparison tags

[{$i}]
Even rows
Odd rows
{$val} is greater than 5

{$val} is greater than 15

{$val} is less than 10


data{$val}
data{$val}
data{$val}
Other data is {$val}

The output result is similar to:

[1] Odd numbered lines 5 less than 10 length 1
[2] Even lines 260 is greater than 5 260 is greater than 15 The length is 3
[3] Odd lines 13 is greater than 5 and length is 2
[4] Even lines 7 is greater than 5, 7 is less than 10, length is 1
[5] Odd lines 40 greater than 5 40 greater than 15 length 2
[6] Even lines 50 is greater than 5 50 is greater than 15 length is 2
[7] Odd lines 2 less than 10 and length 1
[8] Even lines 1 is less than 10 and length is 1

ThinkPHP built-in template engine comparison tag

greater than 3
less than 3

The output result is similar to:

Greater than 3
Less than 3
Conditional judgment

{$num} is greater than 5

{$num} is greater than 3
Others{$num}

The output result is similar to:

6 is greater than 5

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