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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Widgets; |
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use function ob_get_clean; |
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use function ob_implicit_flush; |
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use function ob_start; |
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use Yiisoft\View\WebView; |
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use Yiisoft\Widget\Widget; |
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/** |
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* Block records all output between {@see begin()} and {@see end()} calls and stores it in |
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* |
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* The general idea is that you're defining block default in a view or layout: |
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* |
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* ```php |
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* <?php $this->beginBlock('index') ?> |
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* Nothing. |
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* <?php $this->endBlock() ?> |
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* ``` |
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* |
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* And then overriding default in views: |
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* |
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* ```php |
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* <?php $this->beginBlock('index') ?> |
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* Umm... hello? |
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* <?php $this->endBlock() ?> |
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* ``` |
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* |
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* in subviews show block: |
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* |
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* <?= $this->getBlock('index') ?> |
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* |
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* Second parameter defines if block content should be outputted which is desired when rendering its content but isn't |
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* desired when redefining it in subviews. |
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*/ |
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final class Block extends Widget |
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{ |
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private string $id; |
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private bool $renderInPlace = false; |
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private WebView $webView; |
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2 |
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public function __construct(WebView $webView) |
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{ |
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$this->webView = $webView; |
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} |
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/** |
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* Starts recording a block. |
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*/ |
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2 |
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public function begin(): ?string |
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{ |
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parent::begin(); |
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ob_start(); |
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PHP_VERSION_ID >= 80000 ? ob_implicit_flush(false) : ob_implicit_flush(0); |
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return null; |
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} |
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/** |
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* Ends recording a block. |
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* This method stops output buffering and saves the rendering result as a named block in the view. |
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* |
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* @return string the result of widget execution to be outputted. |
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*/ |
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2 |
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public function run(): string |
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{ |
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2 |
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$block = ob_get_clean(); |
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2 |
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if ($this->renderInPlace) { |
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return $block; |
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} |
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1 |
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if (!empty($block)) { |
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$this->webView->setBlock($this->id, $block); |
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} |
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1 |
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return ''; |
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} |
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public function id(string $value): self |
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{ |
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$this->id = $value; |
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return $this; |
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} |
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/** |
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* @param bool $value whether to render the block content in place. Defaults to false, meaning the captured block |
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* content will not be displayed. |
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* |
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* @return $this |
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*/ |
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1 |
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public function renderInPlace(bool $value): self |
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{ |
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$this->renderInPlace = $value; |
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return $this; |
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} |
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} |
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yiisoft /
yii-widgets
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