Re-add examples

examples/php-simple/.env.example

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+export COMPOSE_PROJECT_NAME=php-simple

examples/php-simple/Dockerfile

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+FROM php:8.1-cli-bullseye AS base
+
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+RUN which composer && composer -V
+
+WORKDIR /app
+
+ENV PATH="${PATH}:/app/vendor/bin"
+
+COPY composer.* ./
+
+
+
+

examples/php-simple/build.yaml

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+name: php-simple
+type: php-library
+php:
+  version: 8.1-cli-bullseye

examples/php-simple/phpcs.xml.dist

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+<?xml version="1.0"?>
+<ruleset name="php-simple coding standards">
+   <description>PHPCS configuration file for php-simple.</description>
+   <file>src</file>
+   <arg value="np"/>
+   <rule ref=""/>
+</ruleset>

examples/php-simple/phpstan.neon.dist

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+parameters:
+  level: 
+  paths:
+    - src
+    

examples/php-simple/phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         cacheResultFile=".phpunit.cache/test-results"
+         executionOrder="depends,defects"
+         forceCoversAnnotation="false"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="false"
+         beStrictAboutTodoAnnotatedTests="true"
+         convertDeprecationsToExceptions="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         verbose="true">
+    <testsuites>
+        <testsuite name="php-simple">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>