Added ext-json as a requirement

composer.json

@@ -17,6 +17,7 @@
 	},
 	"require": {
 		"php" : "~7.2",
+		"ext-json": "*",
 		"guzzlehttp/guzzle": "~6.1",
 		"sainsburys/guzzle-oauth2-plugin": "~3.0"
 	},

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "df43a4ae426c7820716552b0e7f05276",
+    "content-hash": "83e465e8948e6b093604798352049f9c",
     "packages": [
         {
             "name": "firebase/php-jwt",
@@ -382,12 +382,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "21ad2a8155dd437a0926a4d1fedb991bebd4810b"
+                "reference": "c91d74867cc32f6bbc788b33d23372703d61f2c2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/21ad2a8155dd437a0926a4d1fedb991bebd4810b",
-                "reference": "21ad2a8155dd437a0926a4d1fedb991bebd4810b",
+                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/c91d74867cc32f6bbc788b33d23372703d61f2c2",
+                "reference": "c91d74867cc32f6bbc788b33d23372703d61f2c2",
                 "shasum": ""
             },
             "conflict": {
@@ -422,8 +422,8 @@
                 "doctrine/mongodb-odm-bundle": ">=2,<3.0.1",
                 "doctrine/orm": ">=2,<2.4.8|>=2.5,<2.5.1",
                 "dompdf/dompdf": ">=0.6,<0.6.2",
-                "drupal/core": ">=7,<7.65|>=8,<8.5.14|>=8.6,<8.6.14",
-                "drupal/drupal": ">=7,<7.65|>=8,<8.5.14|>=8.6,<8.6.14",
+                "drupal/core": ">=7,<7.67|>=8,<8.6.16|>=8.7,<8.7.1",
+                "drupal/drupal": ">=7,<7.67|>=8,<8.6.16|>=8.7,<8.7.1",
                 "erusev/parsedown": "<1.7.2",
                 "ezsystems/ezpublish-kernel": ">=5.3,<5.3.12.1|>=5.4,<5.4.13.1|>=6,<6.7.9.1|>=6.8,<6.13.5.1|>=7,<7.2.4.1|>=7.3,<7.3.2.1",
                 "ezsystems/ezpublish-legacy": ">=5.3,<5.3.12.6|>=5.4,<5.4.12.3|>=2011,<2017.12.4.3|>=2018.6,<2018.6.1.4|>=2018.9,<2018.9.1.3",
@@ -523,15 +523,16 @@
                 "symfony/yaml": ">=2,<2.0.22|>=2.1,<2.1.7",
                 "tecnickcom/tcpdf": "<6.2.22",
                 "thelia/backoffice-default-template": ">=2.1,<2.1.2",
-                "thelia/thelia": ">=2.1,<2.1.2|>=2.1.0-beta1,<2.1.3",
+                "thelia/thelia": ">=2.1.0-beta1,<2.1.3|>=2.1,<2.1.2",
                 "theonedemon/phpwhois": "<=4.2.5",
                 "titon/framework": ">=0,<9.9.99",
                 "truckersmp/phpwhois": "<=4.3.1",
                 "twig/twig": "<1.38|>=2,<2.7",
-                "typo3/cms": ">=6.2,<6.2.30|>=7,<7.6.32|>=8,<8.7.23|>=9,<9.5.4",
-                "typo3/cms-core": ">=8,<8.7.23|>=9,<9.5.4",
+                "typo3/cms": ">=6.2,<6.2.30|>=7,<7.6.32|>=8,<8.7.25|>=9,<9.5.6",
+                "typo3/cms-core": ">=8,<8.7.25|>=9,<9.5.6",
                 "typo3/flow": ">=1,<1.0.4|>=1.1,<1.1.1|>=2,<2.0.1|>=2.3,<2.3.16|>=3,<3.0.10|>=3.1,<3.1.7|>=3.2,<3.2.7|>=3.3,<3.3.5",
                 "typo3/neos": ">=1.1,<1.1.3|>=1.2,<1.2.13|>=2,<2.0.4",
+                "typo3/phar-stream-wrapper": ">=1,<2.1.1|>=3,<3.1.1",
                 "ua-parser/uap-php": "<3.8",
                 "wallabag/tcpdf": "<6.2.22",
                 "willdurand/js-translation-bundle": "<2.1.1",
@@ -582,7 +583,7 @@
                 }
             ],
             "description": "Prevents installation of composer packages with known security vulnerabilities: no API, simply require it",
-            "time": "2019-05-06T17:09:30+00:00"
+            "time": "2019-05-10T14:32:12+00:00"
         }
     ],
     "aliases": [],
@@ -593,7 +594,8 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "~7.2"
+        "php": "~7.2",
+        "ext-json": "*"
     },
     "platform-dev": []
 }