chore: use JSON_UNESCAPLE_SLASHES

Author: bshaffer

.github/workflows/tests.yml

@@ -52,17 +52,6 @@ jobs:
       with:
         entrypoint: ./.github/actions/entrypoint.sh
 
-  test_php53:
-    name: "PHP 5.3 Unit Test"
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-    - name: Run Unit Tests
-      uses: docker://tomsowerby/php-5.3:cli
-      with:
-        entrypoint: ./.github/actions/entrypoint.sh
-
   style:
     runs-on: ubuntu-latest
     name: PHP Style Check

composer.json

@@ -20,7 +20,7 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.4.0"
     },
     "suggest": {
         "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present"

src/JWT.php

@@ -330,7 +330,7 @@ public static function jsonDecode($input)
      */
     public static function jsonEncode($input)
     {
-        $json = \json_encode($input);
+        $json = \json_encode($input, \JSON_UNESCAPED_SLASHES);
         if ($errno = \json_last_error()) {
             static::handleJsonError($errno);
         } elseif ($json === 'null' && $input !== null) {
@@ -445,7 +445,7 @@ private static function handleJsonError($errno)
             JSON_ERROR_STATE_MISMATCH => 'Invalid or malformed JSON',
             JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
             JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON',
-            JSON_ERROR_UTF8 => 'Malformed UTF-8 characters' //PHP >= 5.3.3
+            JSON_ERROR_UTF8 => 'Malformed UTF-8 characters'
         );
         throw new DomainException(
             isset($messages[$errno])