init

.gitignore

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+/vendor/
+/composer.lock
+/*.cache

.php_cs.dist

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+<?php
+
+use PhpCsFixer\Config;
+use Symfony\Component\Finder\Finder;
+
+$finder = new Finder();
+$finder->files()->in('src')->in('tests');
+
+return Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'short'],
+    ])
+    ->setFinder($finder);

composer.json

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+{
+    "name": "opdavies/php-helpers",
+    "description": "Helper functions for when working with PHP",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Oliver Davies",
+            "email": "oliver@oliverdavies.uk"
+        }
+    ],
+    "scripts": {
+        "lint": "php-cs-fixer fix",
+        "test": [
+            "composer run lint -- --dry-run",
+            "composer run test:unit"
+        ],
+        "test:unit": "phpunit"
+    },
+    "require": {
+        "php": "^7.1"
+    },
+    "require-dev": {
+        "friendsofphp/php-cs-fixer": "^2.15",
+        "phpunit/phpunit": "^8.1"
+    },
+    "autoload": {
+        "files": ["src/helpers.php"]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Tests\\Opdavies\\PhpHelpers\\": "tests/"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}

phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="./vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         stopOnFailure="true">
+    <testsuites>
+        <testsuite name="Unit tests">
+            <directory suffix="Test.php">tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>

src/helpers.php

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+<?php
+