allow vendord

vendor/mollie/mollie-api-php/src/CompatibilityChecker.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Mollie\Api;
+
+use Mollie\Api\Exceptions\IncompatiblePlatform;
+
+class CompatibilityChecker
+{
+    /**
+     * @var string
+     */
+    public const MIN_PHP_VERSION = "7.2";
+
+    /**
+     * @throws IncompatiblePlatform
+     * @return void
+     */
+    public function checkCompatibility()
+    {
+        if (! $this->satisfiesPhpVersion()) {
+            throw new IncompatiblePlatform(
+                "The client requires PHP version >= " . self::MIN_PHP_VERSION . ", you have " . PHP_VERSION . ".",
+                IncompatiblePlatform::INCOMPATIBLE_PHP_VERSION
+            );
+        }
+
+        if (! $this->satisfiesJsonExtension()) {
+            throw new IncompatiblePlatform(
+                "PHP extension json is not enabled. Please make sure to enable 'json' in your PHP configuration.",
+                IncompatiblePlatform::INCOMPATIBLE_JSON_EXTENSION
+            );
+        }
+    }
+
+    /**
+     * @return bool
+     * @codeCoverageIgnore
+     */
+    public function satisfiesPhpVersion()
+    {
+        return (bool)version_compare(PHP_VERSION, self::MIN_PHP_VERSION, ">=");
+    }
+
+    /**
+     * @return bool
+     * @codeCoverageIgnore
+     */
+    public function satisfiesJsonExtension()
+    {
+        // Check by extension_loaded
+        if (function_exists('extension_loaded') && extension_loaded('json')) {
+            return true;
+        } elseif (function_exists('json_encode')) {
+            return true;
+        }
+
+        return false;
+    }
+}