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Trait yii\base\DynamicContentAwareTrait

Implemented byyii\filters\PageCache, yii\widgets\FragmentCache
Available since version2.0.14
Source Code https://github.com/yiisoft/yii2/blob/master/framework/base/DynamicContentAwareTrait.php

DynamicContentAwareTrait implements common methods for classes which support a yii\base\View dynamic content feature.

Public Methods

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MethodDescriptionDefined By
addDynamicPlaceholder() Adds a placeholder for dynamic content. yii\base\DynamicContentAwareTrait
getDynamicPlaceholders() Returns a list of placeholders for dynamic content. This method is used internally to implement the content caching feature. yii\base\DynamicContentAwareTrait
setDynamicPlaceholders() Sets a list of placeholders for dynamic content. This method is used internally to implement the content caching feature. yii\base\DynamicContentAwareTrait

Protected Methods

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MethodDescriptionDefined By
getView() Returns the view object that can be used to render views or view files using dynamic contents. yii\base\DynamicContentAwareTrait
updateDynamicContent() Replaces placeholders in $content with results of evaluated dynamic statements. yii\base\DynamicContentAwareTrait

Method Details

addDynamicPlaceholder() public method

Adds a placeholder for dynamic content.

This method is used internally to implement the content caching feature.

public void addDynamicPlaceholder ( $name, $statements )
$name string

The placeholder name.

$statements string

The PHP statements for generating the dynamic content.

getDynamicPlaceholders() public method

Returns a list of placeholders for dynamic content. This method is used internally to implement the content caching feature.

public array getDynamicPlaceholders ( )
return array

A list of placeholders.

getView() protected abstract method

Returns the view object that can be used to render views or view files using dynamic contents.

protected abstract yii\base\View getView ( )
return yii\base\View

The view object that can be used to render views or view files.

setDynamicPlaceholders() public method

Sets a list of placeholders for dynamic content. This method is used internally to implement the content caching feature.

public void setDynamicPlaceholders ( $placeholders )
$placeholders array

A list of placeholders.

updateDynamicContent() protected method

Replaces placeholders in $content with results of evaluated dynamic statements.

protected string updateDynamicContent ( $content, $placeholders, $isRestoredFromCache false )
$content string

Content to be parsed.

$placeholders string[]

Placeholders and their values.

$isRestoredFromCache boolean

Whether content is going to be restored from cache.

return string

Final content.