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feature#13619 Add wither behavior with PHP8 static return type (l-vo)

This PR was submitted for the master branch but it was merged into the 5.1 branch instead.Discussion----------Add wither behavior with PHP8 static return typeclose#13614Commits-------4bdab6f Add wither behavior with PHP8 static return type

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service_container
- calls.rst

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`‎service_container/calls.rst‎`

Lines changed: 16 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -90,9 +90,6 @@ instead of mutating the object they were called on::`
`90`	`90`	`{`
`91`	`91`	`private $logger;`
`92`	`92`
`93`		`- /**`
`94`		`- * @return static`
`95`		`- */`
`96`	`93`	`public function withLogger(LoggerInterface $logger)`
`97`	`94`	`{`
`98`	`95`	`$new = clone $this;`
`@@ -146,3 +143,19 @@ The configuration to tell the container it should do so would be like:`
`146`	`143`
`147`	`144`	`$container->register(MessageGenerator::class)`
`148`	`145`	`->addMethodCall('withLogger', [new Reference('logger')], true);`
	`146`	`+`
	`147`	`+If autowire is enabled, you can also use annotations; with the previous exemple it would be::`
	`148`	`+`
	`149`	`+ /**`
	`150`	`+ * @required`
	`151`	`+ * @return static`
	`152`	`+ */`
	`153`	`+ public function withLogger(LoggerInterface $logger)`
	`154`	`+ {`
	`155`	`+ $new = clone $this;`
	`156`	`+ $new->logger = $logger;`
	`157`	`+`
	`158`	`+ return $new;`
	`159`	`+ }`
	`160`	`+`
	`161`	+You can also leverage the PHP8 ``static`` return type instead of the ``@return static`` annotation. Note if you don't want a method with a PHP8 ``static`` return type and a ``@required`` annotation to behave as a wither, you can add a ``@return $this`` annotation to disable the returns clone feature.

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Commit211ea43

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`‎service_container/calls.rst‎`

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