1 files changed, 98 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Util/Json.php b/vendor/phpunit/phpunit/src/Util/Json.php
new file mode 100644
index 000000000..752c1fd60
--- /dev/null
+++ b/vendor/phpunit/phpunit/src/Util/Json.php
@@ -0,0 +1,98 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\Util;
+
+use const JSON_PRETTY_PRINT;
+use const JSON_UNESCAPED_SLASHES;
+use const JSON_UNESCAPED_UNICODE;
+use function count;
+use function is_array;
+use function is_object;
+use function json_decode;
+use function json_encode;
+use function json_last_error;
+use function ksort;
+use PHPUnit\Framework\Exception;
+
+/**
+ * @internal This class is not covered by the backward compatibility promise for PHPUnit
+ */
+final class Json
+{
+    /**
+     * Prettify json string.
+     *
+     * @throws \PHPUnit\Framework\Exception
+     */
+    public static function prettify(string $json): string
+    {
+        $decodedJson = json_decode($json, false);
+
+        if (json_last_error()) {
+            throw new Exception(
+                'Cannot prettify invalid json'
+            );
+        }
+
+        return json_encode($decodedJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+    }
+
+    /**
+     * To allow comparison of JSON strings, first process them into a consistent
+     * format so that they can be compared as strings.
+     *
+     * @return array ($error, $canonicalized_json)  The $error parameter is used
+     *               to indicate an error decoding the json. This is used to avoid ambiguity
+     *               with JSON strings consisting entirely of 'null' or 'false'.
+     */
+    public static function canonicalize(string $json): array
+    {
+        $decodedJson = json_decode($json);
+
+        if (json_last_error()) {
+            return [true, null];
+        }
+
+        self::recursiveSort($decodedJson);
+
+        $reencodedJson = json_encode($decodedJson);
+
+        return [false, $reencodedJson];
+    }
+
+    /**
+     * JSON object keys are unordered while PHP array keys are ordered.
+     *
+     * Sort all array keys to ensure both the expected and actual values have
+     * their keys in the same order.
+     */
+    private static function recursiveSort(&$json): void
+    {
+        if (!is_array($json)) {
+            // If the object is not empty, change it to an associative array
+            // so we can sort the keys (and we will still re-encode it
+            // correctly, since PHP encodes associative arrays as JSON objects.)
+            // But EMPTY objects MUST remain empty objects. (Otherwise we will
+            // re-encode it as a JSON array rather than a JSON object.)
+            // See #2919.
+            if (is_object($json) && count((array) $json) > 0) {
+                $json = (array) $json;
+            } else {
+                return;
+            }
+        }
+
+        ksort($json);
+
+        foreach ($json as $key => &$value) {
+            self::recursiveSort($value);
+        }
+    }
+}