Rewrite the PHP Laravel generator (#20526)

* remove legacy laravel generator

* initial setup of my vision for the laravel generator

* update the php laravel samples

* update php laravel docs

* moved api validation into controller and handle edge cases presented by sample generation

* updated samples

* added php-laravel to github workflow php8 and removed php7 workflow as it only contained old laravel

* preemptive work to support union types as soon as php serde supports them

* updated samples

* update templates in accordance to samples output

* fix pipelines and update samples

* correct serde version

* fixed phpunit execution and updated samples

* added named routes

* remove

* readd samples

---------

Co-authored-by: gijs.blanken@futureof.finance <gijs.blanken@finly.nl>
Co-authored-by: William Cheng <wing328hk@gmail.com>

samples/server/petstore/php-laravel/Model/NoContentDefault.php

@@ -0,0 +1,46 @@
+<?php declare(strict_types=1);
+
+/**
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * PHP version 8.1
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI-Generator
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ *
+ * Source files are located at:
+ *
+ * > https://github.com/OpenAPITools/openapi-generator/blob/master/modules/openapi-generator/src/main/resources/php-laravel/
+ */
+
+
+/**
+ * NoContentDefault
+ */
+namespace OpenAPI\Server\Model;
+
+/**
+ * NoContentDefault
+ * @description No content for default
+ */
+use Crell\Serde\Renaming\Cases;
+use Crell\Serde\Attributes as Serde;
+
+#[Serde\ClassSettings(renameWith: Cases::snake_case)]
+class NoContentDefault
+{
+    /**
+    *
+    * dummy property for no-content responses
+    * @param null | string $dummy
+    */
+
+    public function __construct(
+        public ?string $dummy = null,
+    ) {}
+}
+