php—Smarty-7 (24), phpsmarty-724_PHP Tutorial

php—Smarty-7 (24), phpsmarty-724

3. Methods

l assign : Assign variables to templates

l assignByRef: assign variables to templates (pass by reference)

The difference between

Display and fetch:

4. Filter

Filters are used to filter data

1. Types of filters:

1) Prefilters Prefilters

2) Post filters Postfilters

3) Output Filters

The above three filters are divided into three types according to different triggering times

2. Workflow

tpl source file => Prefilter => Compile tpl file => Postfilter => Save to disk => Execute the compiled php file => Output Filters (=> If there is smart cache, the contents of Output Filters Will be cached) => Result output.

3. Register filter

In Smarty, filters must be registered before they can be used

In 2.6, register filters

l Prefilters

$smarty->register_prefilter(“func”);

l Postfilters

$smarty->register_postfilter(“func”);

l Output Filters

$smarty->register_outputfilter(“func”);

Registering different filters calls different methods.

In 3.0, register filter

$smarty->registerFilter($type, $callback);

$type: filter type

Value range:

Pre: Pre-filter

Post: Post filter

Output: Output filter

$callback: filter function

4. Code:

The pre-filter and post-filter will be executed when compiled for the first time, or will be executed again after the template is changed

The output filter will be executed every time

http://www.bkjia.com/PHPjc/995278.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/995278.htmlTechArticlephp—Smarty-7 (24), phpsmarty-724 3. Method lassign: Assign the variable lassignByRef to the template: Template allocation variables (passed by reference) The difference between Display and fetch: 4. Filter...