vendor/symfony/form/FormView.php line 22
<?php/** This file is part of the Symfony package.** (c) Fabien Potencier <fabien@symfony.com>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace Symfony\Component\Form;use Symfony\Component\Form\Exception\BadMethodCallException;/*** @author Bernhard Schussek <bschussek@gmail.com>** @implements \ArrayAccess<int|string, FormView>* @implements \IteratorAggregate<int|string, FormView>*/class FormView implements \ArrayAccess, \IteratorAggregate, \Countable{/*** The variables assigned to this view.*/public $vars = ['value' => null,'attr' => [],];/*** The parent view.*/public $parent;/*** The child views.** @var array<int|string, FormView>*/public $children = [];/*** Is the form attached to this renderer rendered?** Rendering happens when either the widget or the row method was called.* Row implicitly includes widget, however certain rendering mechanisms* have to skip widget rendering when a row is rendered.*/private bool $rendered = false;private bool $methodRendered = false;public function __construct(self $parent = null){$this->parent = $parent;}/*** Returns whether the view was already rendered.*/public function isRendered(): bool{if (true === $this->rendered || 0 === \count($this->children)) {return $this->rendered;}foreach ($this->children as $child) {if (!$child->isRendered()) {return false;}}return $this->rendered = true;}/*** Marks the view as rendered.** @return $this*/public function setRendered(): static{$this->rendered = true;return $this;}public function isMethodRendered(): bool{return $this->methodRendered;}public function setMethodRendered(){$this->methodRendered = true;}/*** Returns a child by name (implements \ArrayAccess).** @param int|string $name The child name*/public function offsetGet(mixed $name): self{return $this->children[$name];}/*** Returns whether the given child exists (implements \ArrayAccess).** @param int|string $name The child name*/public function offsetExists(mixed $name): bool{return isset($this->children[$name]);}/*** Implements \ArrayAccess.** @throws BadMethodCallException always as setting a child by name is not allowed*/public function offsetSet(mixed $name, mixed $value): void{throw new BadMethodCallException('Not supported.');}/*** Removes a child (implements \ArrayAccess).** @param int|string $name The child name*/public function offsetUnset(mixed $name): void{unset($this->children[$name]);}/*** Returns an iterator to iterate over children (implements \IteratorAggregate).** @return \ArrayIterator<int|string, FormView>*/public function getIterator(): \ArrayIterator{return new \ArrayIterator($this->children);}public function count(): int{return \count($this->children);}}