dropped PHP 5.x support

.travis.yml

@@ -3,37 +3,31 @@ language: php
 sudo: false
 
 cache:
-  directories:
-    - vendor
-    - $HOME/.composer/cache/files
+    directories:
+        - vendor
+        - $HOME/.composer/cache/files
 
 matrix:
-  include:
-    - php: hhvm-stable
-      sudo: required
-      dist: trusty
-      group: edge
-      env: TWIG_EXT=no
-    - php: 7.0
-      env: TWIG_EXT=no
-    - php: 7.1
-      env: TWIG_EXT=no
-  allow_failures:
-    - php: hhvm-stable
-      sudo: required
-      dist: trusty
-      group: edge
-      env: TWIG_EXT=no
-  fast_finish: true
+    include:
+        - php: hhvm-stable
+          sudo: required
+          dist: trusty
+          env: TWIG_EXT=no
+        - php: 7.0
+          env: TWIG_EXT=no
+        - php: 7.1
+          env: TWIG_EXT=no
+    allow_failures:
+        - php: hhvm-stable
+    fast_finish: true
 
 before_install:
-  - if [[ ! $TRAVIS_PHP_VERSION = hhvm* ]]; then phpenv config-rm xdebug.ini || echo "xdebug not available"; fi
-  - if [[ $TRAVIS_PHP_VERSION = hhvm* ]]; then echo hhvm.php7.all=1 >> /etc/hhvm/php.ini; fi
+    - if [[ ! $TRAVIS_PHP_VERSION = hhvm* ]]; then phpenv config-rm xdebug.ini || echo "xdebug not available"; fi
+    - if [[ $TRAVIS_PHP_VERSION = hhvm* ]]; then echo hhvm.php7.all=1 >> /etc/hhvm/php.ini; fi
 
 install:
-  - travis_retry composer install
+    - travis_retry composer install
 
 before_script:
-  - if [ "$TWIG_EXT" == "yes" ]; then sh -c "cd ext/twig && phpize && ./configure --enable-twig && make && make install"; fi
-  - if [ "$TWIG_EXT" == "yes" ]; then echo "extension=twig.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`; fi
-
+    - if [ "$TWIG_EXT" == "yes" ]; then sh -c "cd ext/twig && phpize && ./configure --enable-twig && make && make install"; fi
+    - if [ "$TWIG_EXT" == "yes" ]; then echo "extension=twig.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`; fi

CHANGELOG

@@ -12,7 +12,7 @@
  * removed Twig_Autoloader (use Composer instead)
  * removed `true` as an equivalent to `html` for the auto-escaping strategy
  * removed pre-1.8 autoescape tag syntax
- * dropped support for PHP 5.2, 5.3, 5.4, and 5.5
+ * dropped support for PHP 5.x
  * removed the ability to register a global variable after the runtime or the extensions have been initialized
  * improved the performance of the filesystem loader
  * removed features that were deprecated in 1.x

composer.json

@@ -50,4 +50,4 @@
         }
     },
     "minimum-stability": "dev"
-}
+}

doc/intro.rst

@@ -28,7 +28,7 @@ Slim, Yii, Laravel, Codeigniter and Kohana — just to name a few.
 Prerequisites
 -------------
 
-Twig needs at least **PHP 5.6.0** to run.
+Twig needs at least **PHP 7.0.0** to run.
 
 Installation
 ------------

lib/Twig/Node/Expression/Name.php

@@ -61,9 +61,6 @@ class Twig_Node_Expression_Name extends Twig_Node_Expression
                     ;
                 }
             } else {
-                // When Twig will require PHP 7.0, the Template::notFound() method
-                // will be removed and the code inlined like this:
-                // (function () { throw new Exception(...); })();
                 $compiler
                     ->raw('(isset($context[')
                     ->string($name)
@@ -71,11 +68,12 @@ class Twig_Node_Expression_Name extends Twig_Node_Expression
                     ->string($name)
                     ->raw(', $context) ? $context[')
                     ->string($name)
-                    ->raw('] : $this->notFound(')
+                    ->raw('] : (function () { throw new Twig_Error_Runtime(\'Variable ')
                     ->string($name)
-                    ->raw(', ')
+                    ->raw(' does not exist.\', ')
                     ->repr($this->lineno)
-                    ->raw('))')
+                    ->raw(', $this->getSourceContext()); })()')
+                    ->raw(')')
                 ;
             }
         }

lib/Twig/Parser.php

@@ -43,14 +43,7 @@ class Twig_Parser
 
     public function parse(Twig_TokenStream $stream, $test = null, $dropNeedle = false)
     {
-        // push all variables into the stack to keep the current state of the parser
-        // using get_object_vars() instead of foreach would lead to https://bugs.php.net/71336
-        // This hack can be removed when min version if PHP 7.0
-        $vars = array();
-        foreach ($this as $k => $v) {
-            $vars[$k] = $v;
-        }
-
+        $vars = get_object_vars($this);
         unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser'], $vars['reservedMacroNames']);
         $this->stack[] = $vars;
 

lib/Twig/Template.php

@@ -417,25 +417,6 @@ abstract class Twig_Template
      */
     abstract protected function doDisplay(array $context, array $blocks = array());
 
-    /**
-     * Throws an exception for an unknown variable.
-     *
-     * This method is for internal use only and should never be called
-     * directly.
-     *
-     * This is an implementation detail due to a PHP limitation before version 7.0.
-     *
-     * @return mixed The content of the context variable
-     *
-     * @throws Twig_Error_Runtime if the variable does not exist and Twig is running in strict mode
-     *
-     * @internal
-     */
-    final protected function notFound($name, $line)
-    {
-        throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist.', $name), $line, $this->getSourceContext());
-    }
-
     /**
      * Returns the attribute value for a given array/object.
      *

test/Twig/Tests/Node/Expression/NameTest.php

@@ -27,7 +27,7 @@ class Twig_Tests_Node_Expression_NameTest extends Twig_Test_NodeTestCase
         $env = new Twig_Environment($this->getMockBuilder('Twig_LoaderInterface')->getMock(), array('strict_variables' => true));
         $env1 = new Twig_Environment($this->getMockBuilder('Twig_LoaderInterface')->getMock(), array('strict_variables' => false));
 
-        $output = '(isset($context["foo"]) || array_key_exists("foo", $context) ? $context["foo"] : $this->notFound("foo", 1))';
+        $output = '(isset($context["foo"]) || array_key_exists("foo", $context) ? $context["foo"] : (function () { throw new Twig_Error_Runtime(\'Variable "foo" does not exist.\', 1, $this->getSourceContext()); })())';
 
         return array(
             array($node, "// line 1\n".$output, $env),