TASK: Support PHP 7.0

As some (e.g. debian) do not provide PHP 7.1 and we did not use so much
features which were introduced in PHP 7.1, we add support for PHP 7.0.

.travis.yml

@@ -11,6 +11,7 @@ before_install:
 language: php
 
 php:
+  - 7.0
   - 7.1
 
 env:

Classes/Domain/Index/TcaIndexer/RelationResolver.php

@@ -33,7 +33,7 @@ use TYPO3\CMS\Core\Utility\GeneralUtility;
  */
 class RelationResolver implements Singleton
 {
-    public function resolveRelationsForRecord(TcaTableService $service, array &$record) : void
+    public function resolveRelationsForRecord(TcaTableService $service, array &$record)
     {
         foreach (array_keys($record) as $column) {
             // TODO: Define / configure fields to exclude?!

Classes/Domain/Index/TcaIndexer/TcaTableService.php

@@ -129,7 +129,7 @@ class TcaTableService
      * @param array &$records
      * @return void
      */
-    public function filterRecordsByRootLineBlacklist(array &$records) : void
+    public function filterRecordsByRootLineBlacklist(array &$records)
     {
         $records = array_filter(
             $records,
@@ -142,7 +142,7 @@ class TcaTableService
     /**
      * @param array &$record
      */
-    public function prepareRecord(array &$record) : void
+    public function prepareRecord(array &$record)
     {
         $this->relationResolver->resolveRelationsForRecord($this, $record);
 

Makefile

@@ -12,7 +12,7 @@ typo3DatabaseHost ?= "127.0.0.1"
 
 .PHONY: install
 install: clean
-	COMPOSER_PROCESS_TIMEOUT=1000 composer require -vv --dev --prefer-dist --ignore-platform-reqs typo3/cms="$(TYPO3_VERSION)"
+	COMPOSER_PROCESS_TIMEOUT=1000 composer require -vv --dev --prefer-dist typo3/cms="$(TYPO3_VERSION)"
 	git checkout composer.json
 
 functionalTests:

composer.json

@@ -15,8 +15,8 @@
             "TYPO3\\CMS\\Core\\Tests\\": ".Build/vendor/typo3/cms/typo3/sysext/core/Tests/"
         }
     },
-    "require" : {
-        "php": ">=7.1.0",
+    "require": {
+        "php": ">=7.0.0",
         "typo3/cms": "~8.7",
         "ruflin/elastica": "~3.2"
     },