fixed code for older versions of PHP

.travis.yml

@@ -8,7 +8,6 @@ cache:
         - $HOME/.composer/cache/files
 
 php:
-    - 5.2
     - 5.3
     - 5.4
     - 5.5
@@ -25,13 +24,14 @@ before_install:
     - if [[ ! $TRAVIS_PHP_VERSION = hhvm* ]]; then phpenv config-rm xdebug.ini || echo "xdebug not available"; fi
 
 install:
-    # Composer is not available on PHP 5.2
-    - if [ ${TRAVIS_PHP_VERSION:0:3} != "5.2" ]; then travis_retry composer install; fi
+    - 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
 
+script: ./vendor/bin/simple-phpunit
+
 matrix:
     fast_finish: true
     exclude:

CHANGELOG

@@ -1,6 +1,6 @@
 * 1.34.0 (2017-XX-XX)
 
- * n/a
+ * dropped PHP 5.2 support
 
 * 1.33.2 (2017-04-20)
 

composer.json

@@ -27,7 +27,7 @@
         "forum": "https://groups.google.com/forum/#!forum/twig-users"
     },
     "require": {
-        "php": ">=5.2.7"
+        "php": ">=5.3.3"
     },
     "require-dev": {
         "symfony/phpunit-bridge": "~3.3@dev",

doc/intro.rst

@@ -28,7 +28,8 @@ Slim, Yii, Laravel, Codeigniter and Kohana — just to name a few.
 Prerequisites
 -------------
 
-Twig needs at least **PHP 5.2.7** to run.
+Twig needs at least **PHP 5.2.7** to run. As of 1.34, the minimum requirement
+was bumped to **PHP 5.3.3**.
 
 Installation
 ------------

lib/Twig/Test/IntegrationTestCase.php

@@ -10,7 +10,6 @@
  */
 
 use PHPUnit\Framework\TestCase;
-use PHPUnit\Framework\Constraint\Exception as ExceptionConstraint;
 
 /**
  * Integration test helper.
@@ -199,7 +198,7 @@ abstract class Twig_Test_IntegrationTestCase extends TestCase
 
             if (false !== $exception) {
                 list($class) = explode(':', $exception);
-                $constraintClass = class_exists(ExceptionConstraint::class) ? ExceptionConstraint::class : \PHPUnit_Framework_Constraint_Exception::class;
+                $constraintClass = class_exists('PHPUnit\Framework\Constraint\Exception') ? 'PHPUnit\Framework\Constraint\Exception' : 'PHPUnit_Framework_Constraint_Exception';
                 $this->assertThat(null, new $constraintClass($class));
             }