minor #3332 Drop support for PHP 7.0 (fabpot)

This PR was merged into the 1.x branch.

Discussion
----------

Drop support for PHP 7.0

Commits
-------

9810bf55 Drop support for PHP 7.0

.travis.yml

@@ -25,7 +25,6 @@ script: ./vendor/bin/simple-phpunit
 jobs:
     fast_finish: true
     include:
-        - php: 7.0
         - php: 7.1
         - php: 7.2
         - php: 7.3

CHANGELOG

@@ -1,6 +1,6 @@
 # 1.43.0 (2020-XX-XX)
 
- * Drop PHP 5.5 and 5.6 support
+ * Drop PHP 5.5 5.6, and 7.0 support
  * Fix ambiguous syntax parsing
 
 # 1.42.5 (2020-02-11)

composer.json

@@ -23,7 +23,7 @@
         }
     ],
     "require": {
-        "php": ">=7.0",
+        "php": "^7.1.3",
         "symfony/polyfill-ctype": "^1.8"
     },
     "require-dev": {

doc/intro.rst

@@ -26,7 +26,7 @@ Slim, Yii, Laravel, and Codeigniter — just to name a few.
 Prerequisites
 -------------
 
-Twig needs at least **PHP 5.5.0** to run.
+Twig needs at least **PHP 7.1.3** to run.
 
 Installation
 ------------