125 lines
2.8 KiB
PHP
125 lines
2.8 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Templating\Helper;
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trigger_deprecation('symfony/templating', '6.4', '"%s" is deprecated since version 6.4 and will be removed in 7.0. Use Twig instead.', SlotsHelper::class);
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/**
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* SlotsHelper manages template slots.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @deprecated since Symfony 6.4, use Twig instead
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*/
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class SlotsHelper extends Helper
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{
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protected $slots = [];
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protected $openSlots = [];
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/**
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* Starts a new slot.
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*
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* This method starts an output buffer that will be
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* closed when the stop() method is called.
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*
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* @return void
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*
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* @throws \InvalidArgumentException if a slot with the same name is already started
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*/
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public function start(string $name)
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{
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if (\in_array($name, $this->openSlots)) {
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throw new \InvalidArgumentException(\sprintf('A slot named "%s" is already started.', $name));
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}
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$this->openSlots[] = $name;
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$this->slots[$name] = '';
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ob_start();
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ob_implicit_flush(0);
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}
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/**
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* Stops a slot.
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*
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* @return void
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*
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* @throws \LogicException if no slot has been started
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*/
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public function stop()
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{
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if (!$this->openSlots) {
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throw new \LogicException('No slot started.');
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}
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$name = array_pop($this->openSlots);
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$this->slots[$name] = ob_get_clean();
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}
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/**
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* Returns true if the slot exists.
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*/
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public function has(string $name): bool
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{
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return isset($this->slots[$name]);
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}
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/**
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* Gets the slot value.
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*/
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public function get(string $name, bool|string $default = false): string
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{
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return $this->slots[$name] ?? $default;
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}
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/**
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* Sets a slot value.
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*
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* @return void
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*/
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public function set(string $name, string $content)
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{
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$this->slots[$name] = $content;
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}
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/**
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* Outputs a slot.
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*
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* @return bool true if the slot is defined or if a default content has been provided, false otherwise
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*/
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public function output(string $name, bool|string $default = false): bool
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{
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if (!isset($this->slots[$name])) {
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if (false !== $default) {
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echo $default;
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return true;
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}
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return false;
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}
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echo $this->slots[$name];
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return true;
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}
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/**
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* Returns the canonical name of this helper.
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*/
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public function getName(): string
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{
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return 'slots';
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}
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}
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