Json serialization of Hello world benchmark for PHP 8.0.0

.circleci/config.yml

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+version: '2.1'
+
+jobs:
+    ValidateBenchmark:
+        docker:
+            - image: phpbenchmarks/benchmark-kit:4
+        working_directory: /var/www/benchmark
+        steps:
+            - checkout
+            - run:
+                name: entrypoint
+                command: entrypoint --nginx-as-service
+            - run:
+                name: "validate:benchmark"
+                command: "phpbenchkit validate:benchmark -vvv"
+
+workflows:
+    version: '2.1'
+    BenchmarkKit:
+        jobs:
+            - ValidateBenchmark

.gitignore

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+/.idea
+/vendor
+/composer.lock

.phpbenchmarks/config.yml

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+component:
+    slug: php
+benchmark:
+    type: json-serialization-hello-world
+    relativeUrl: /
+sourceCode:
+    entryPoint: public/index.php
+    urls:
+        jsonSerialization: https://github.com/phpbenchmarks/php/tree/8.0.0_json-serialization-hello-world_0/public/index.php#L12
+coreDependency:
+    name: php
+    version: 8.0.0

.phpbenchmarks/nginx/vhost.conf

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+server {
+    listen ____PORT____;
+    server_name ____HOST____;
+    root ____INSTALLATION_PATH____/____ENTRY_POINT_FILE_PATH____;
+    location / {
+        try_files $uri /____ENTRY_POINT_FILE_NAME____$is_args$args;
+    }
+    location ~ ____ENTRY_POINT_FILE_NAME____(/|$) {
+        fastcgi_pass unix:/run/php/____PHP_FPM_SOCK____;
+        fastcgi_split_path_info ^(.+.php)(/.*)$;
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param HTTPS off;
+    }
+}

.phpbenchmarks/php/8.0/initBenchmark.sh

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+#!/usr/bin/env bash
+
+set -e
+
+# add commands to initialize benchmark: clear cache and logs, warm up cache etc
+composer install --no-dev --classmap-authoritative --ansi

.phpbenchmarks/php/8.0/php.ini

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+; ----------------------------------------------------------------------------------------------------------------------
+; This file will be added to PHP ini files loaded before benchmarking.
+; Configure what you need here.
+;
+; /!\ Do NOT configure opcache.enable: it will be configured automatically.
+; /!\ Do NOT configure opcache.preload and opcache.preload_user: it will be configured automatically. /!\
+; ----------------------------------------------------------------------------------------------------------------------
+
+; Examples of configuration you could change for your needs.
+
+; The maximum number of keys (scripts) in the OPcache hash table.
+; Only numbers between 200 and 1000000 are allowed.
+;opcache.max_accelerated_files=10000
+
+; If disabled, all PHPDoc comments are dropped from the code to reduce the
+; size of the optimized code.
+;opcache.save_comments=1
+
+; A bitmask, where each bit enables or disables the appropriate OPcache
+; passes
+;opcache.optimization_level=0x7FFFBFFF
+
+; Allows exclusion of large files from being cached. By default all files
+; are cached.
+;opcache.max_file_size=0
+
+; Enables or disables opcode caching in shared memory.
+;opcache.file_cache_only=0
+
+; The OPcache shared memory storage size.
+;opcache.memory_consumption=128

.phpbenchmarks/php/8.0/preload.php

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+<?php
+
+$sourceCodePath = __DIR__ . '/../../../';
+$files = [
+    "$sourceCodePath/public/index.php",
+    "$sourceCodePath/vendor/autoload.php",
+    "$sourceCodePath/vendor/composer/ClassLoader.php",
+    "$sourceCodePath/vendor/phpbenchmarks/benchmark-json-serialization-hello-world/src/BenchmarkService.php",
+];
+
+foreach ($files as $file) {
+    if (is_readable($file) === false) {
+        throw new \Exception('File "' . $file . '" is not readable.');
+    }
+
+    opcache_compile_file($file);
+}

.phpbenchmarks/php/8.0/responseBody/responseBody.json

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+["Hello World !"]

README.md

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+<p align="center">
+  <img src="http://www.phpbenchmarks.com/images/logo_github.png">
+  <br>
+  <a href="http://www.phpbenchmarks.com" target="_blank">www.phpbenchmarks.com</a>
+</p>
+
+## What is www.phpbenchmarks.com?
+
+You will find a lot of benchmarks for PHP and PHP libraries on [phpbenchmarks.com](http://www.phpbenchmarks.com).
+
+Benchmarks results are available from PHP 5.6 to latest version.
+
+Our benchmarking protocol is available on [benchmarking protocol page](http://www.phpbenchmarks.com/en/documentation/benchmarking-protocol).
+
+## What is this repository?
+
+It contains PHP benchmark code.
+
+Switch branch to select version and benchmark you want to see.
+
+## Benchmarks
+
+You can find PHP 8.0 benchmarks results on
+[benchmarks results page](http://www.phpbenchmarks.com/en/benchmark/php/8.0).
+
+See all PHP benchmarked versions on [select version page](http://www.phpbenchmarks.com/en/benchmark/php/version).
+
+## Community
+
+Go to [community page](http://www.phpbenchmarks.com/en/community) to see the Hall of fame, or download the benchmark kit to add your code!
+
+## How version works?
+
+We do not follow semantic version for this repository.
+
+Here is an explanation about our versioning system:
+
+`X.Y.Z_benchmark-slug_W`
+
+* `X`: PHP major version.
+* `Y`: PHP minor version.
+* `Z`: PHP patch version.
+* `benchmark-slug`: slug of the benchmark, list available on [documentation page](http://www.phpbenchmarks.com/en/documentation).
+* `W`: benchmark version

composer.json

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+{
+    "name": "phpbenchmarks/php",
+    "license": "proprietary",
+    "type": "project",
+    "require": {
+        "php": "8.0.0",
+        "ext-json": "*",
+        "phpbenchmarks/benchmark-json-serialization-hello-world": "1.0.0"
+    }
+}

public/index.php

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+<?php
+
+declare(strict_types=1);
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use PhpBenchmarks\BenchmarkJsonSerializationHelloWorld\BenchmarkService;
+
+if (BenchmarkService::isWriteToResponseBody()) {
+    echo json_encode(BenchmarkService::getDataToSerialize());
+} else {
+    json_encode(BenchmarkService::getDataToSerialize());
+}