fix: bump PHP version requirement to 7.1

PHP 7.0 reached end of life: https://www.php.net/supported-versions.php

Fixes #447

.travis.yml

@@ -1,7 +1,7 @@
 language: php
 
 php:
-  - '7.0'
+  - '7.1'
 
 cache:
   directories:
@@ -23,7 +23,7 @@ jobs:
   include:
     - stage: test
     - stage: release
-      php: '7.0'
+      php: '7.1'
       install:
         - npm install
         - composer install --prefer-dist --no-interaction --optimize-autoloader

composer.json

@@ -3,7 +3,7 @@
     "prefer-stable": true,
     "config": {
         "platform": {
-            "php": "7.0.25"
+            "php": "7.1.0"
         }
     },
     "require": {

src/extension.ts

@@ -6,6 +6,7 @@ import * as semver from 'semver'
 import * as url from 'url'
 import * as vscode from 'vscode'
 import { LanguageClient, LanguageClientOptions, StreamInfo } from 'vscode-languageclient'
+const composerJson = require('../composer.json')
 
 export async function activate(context: vscode.ExtensionContext): Promise<void> {
     const conf = vscode.workspace.getConfiguration('php')
@@ -58,8 +59,8 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
     if (!/^\d+.\d+.\d+$/.test(version)) {
         version = version.replace(/(\d+.\d+.\d+)/, '$1-')
     }
-    if (semver.lt(version, '7.0.0')) {
-        vscode.window.showErrorMessage('The language server needs at least PHP 7 installed. Version found: ' + version)
+    if (semver.lt(version, composerJson.config.platform.php)) {
+        vscode.window.showErrorMessage('The language server needs at least PHP 7.1 installed. Version found: ' + version)
         return
     }