98 lines
3.8 KiB
PHP
98 lines
3.8 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\PropertyAccess;
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/**
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* Writes and reads values to/from an object/array graph.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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interface PropertyAccessorInterface
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{
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/**
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* Sets the value at the end of the property path of the object graph.
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*
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* Example:
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*
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* use Symfony\Component\PropertyAccess\PropertyAccess;
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*
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* $propertyAccessor = PropertyAccess::createPropertyAccessor();
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*
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* echo $propertyAccessor->setValue($object, 'child.name', 'Fabien');
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* // equals echo $object->getChild()->setName('Fabien');
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*
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* This method first tries to find a public setter for each property in the
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* path. The name of the setter must be the camel-cased property name
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* prefixed with "set".
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*
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* If the setter does not exist, this method tries to find a public
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* property. The value of the property is then changed.
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*
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* If neither is found, an exception is thrown.
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*
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* @return void
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*
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* @throws Exception\InvalidArgumentException If the property path is invalid
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* @throws Exception\AccessException If a property/index does not exist or is not public
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* @throws Exception\UnexpectedTypeException If a value within the path is neither object nor array
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*/
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public function setValue(object|array &$objectOrArray, string|PropertyPathInterface $propertyPath, mixed $value): void;
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/**
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* Returns the value at the end of the property path of the object graph.
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*
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* Example:
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*
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* use Symfony\Component\PropertyAccess\PropertyAccess;
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*
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* $propertyAccessor = PropertyAccess::createPropertyAccessor();
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*
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* echo $propertyAccessor->getValue($object, 'child.name');
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* // equals echo $object->getChild()->getName();
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*
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* This method first tries to find a public getter for each property in the
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* path. The name of the getter must be the camel-cased property name
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* prefixed with "get", "is", or "has".
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*
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* If the getter does not exist, this method tries to find a public
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* property. The value of the property is then returned.
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*
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* If none of them are found, an exception is thrown.
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*
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* @throws Exception\InvalidArgumentException If the property path is invalid
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* @throws Exception\AccessException If a property/index does not exist or is not public
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* @throws Exception\UnexpectedTypeException If a value within the path is neither object
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* nor array
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*/
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public function getValue(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): mixed;
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/**
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* Returns whether a value can be written at a given property path.
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*
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* Whenever this method returns true, {@link setValue()} is guaranteed not
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* to throw an exception when called with the same arguments.
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*
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* @throws Exception\InvalidArgumentException If the property path is invalid
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*/
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public function isWritable(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): bool;
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/**
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* Returns whether a property path can be read from an object graph.
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*
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* Whenever this method returns true, {@link getValue()} is guaranteed not
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* to throw an exception when called with the same arguments.
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*
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* @throws Exception\InvalidArgumentException If the property path is invalid
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*/
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public function isReadable(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): bool;
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}
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