Create JSON serialization of Hello world benchmark for PHP 7.2

Author: steevanb

.gitignore

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+/vendor/
+/composer.lock

.phpbenchmarks/AbstractComponentConfiguration.php

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+<?php
+
+declare(strict_types=1);
+
+namespace AbstractComponentConfiguration;
+
+abstract class AbstractComponentConfiguration
+{
+    public static function getComponentType(): int
+    {
+        return 1;
+    }
+
+    public static function getComponentName(): string
+    {
+        return 'PHP';
+    }
+
+    public static function getComponentSlug(): string
+    {
+        return 'php';
+    }
+
+    public static function isPhp56Enabled(): bool
+    {
+        return false;
+    }
+
+    public static function isPhp70Enabled(): bool
+    {
+        return false;
+    }
+
+    public static function isPhp71Enabled(): bool
+    {
+        return false;
+    }
+
+    public static function isPhp72Enabled(): bool
+    {
+        return true;
+    }
+
+    public static function isPhp73Enabled(): bool
+    {
+        return false;
+    }
+
+    public static function getBenchmarkUrl(): string
+    {
+        return 'index.php';
+    }
+
+    public static function getCoreDependencyName(): string
+    {
+        return 'php';
+    }
+
+    public static function getCoreDependencyMajorVersion(): int
+    {
+        return 7;
+    }
+
+    public static function getCoreDependencyMinorVersion(): int
+    {
+        return 2;
+    }
+
+    public static function getCoreDependencyPatchVersion(): int
+    {
+        return 17;
+    }
+
+    public static function getBenchmarkType(): int
+    {
+        return 6;
+    }
+
+    public static function getSourceCodeUrls(): array
+    {
+        return [
+            'serialization' => 'https://github.com/phpbenchmarks/php/blob/php_7.2_json-serialization-hello-world/public/index.php'
+        ];
+    }
+}

.phpbenchmarks/composer.lock.php7.3

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+#!/usr/bin/env bash
+
+set -e
+
+composer install --no-dev --classmap-authoritative --ansi

.phpbenchmarks/initBenchmark.sh

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+["Hello World !"]

.phpbenchmarks/responseBody/responseBody.json

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+server {
+    listen 80;
+    server_name ____HOST____;
+    root ____INSTALLATION_PATH____/public;
+    location / {
+        try_files $uri /index.php$is_args$args;
+    }
+    location ~ ^/(index).php(/|$) {
+        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;
+    }
+    error_log /var/log/nginx/benchmark_error.log;
+    access_log /var/log/nginx/benchmark_access.log;
+}

.phpbenchmarks/vhost.conf

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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 lot of benchmarks for PHP frameworks and template engines.
+
+You can compare results between Apache Bench and Siege, and PHP 5.6 to 7.3.
+
+## What is this repository ?
+
+It's benchmark common code for PHP benchmarks.
+
+Switch branch to select your PHP major version and benchmark you want to see.
+
+See all PHP benchmarked versions on [phpbenchmarks/php](https://github.com/phpbenchmarks/php).
+
+You can find how we benchmark on [phpbenchmarks.com](http://www.phpbenchmarks.com/en/benchmark-protocol.html).
+
+## Benchmarks
+
+You can find all PHP benchmarks results on [phpbenchmarks.com](http://www.phpbenchmarks.com/en/benchmark/php.html).
+
+Scores are too low ? Do not hesitate to create a pull request, and ask a new benchmark !

README.md

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+{
+    "name": "phpbenchmarks/php",
+    "license": "proprietary",
+    "type": "project",
+    "require": {
+        "php": "7.2.*",
+        "ext-json": "*",
+        "phpbenchmarks/benchmark-json-serialization-hello-world": "1.0.0"
+    }
+}

composer.json

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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());
+}
+
+// require phpbenchmarks stats.php here when needed