https://github.com/PHPOffice/PHPWord/issues/58 - Part VII (supported PHP version).

.travis.yml

@@ -1,6 +1,7 @@
 language: php
 
 php:
+  - 5.3.3
   - 5.3
   - 5.4
   - 5.5

README.md

@@ -34,7 +34,7 @@ __Want to contribute?__ Fork us!
 * ... and many more features on progress
 
 ## Requirements
-* PHP 5.3+
+* PHP 5.3.3+
 * PHP [Zip](http://php.net/manual/en/book.zip.php) extension
 * PHP [XML Parser](http://www.php.net/manual/en/xml.installation.php) extension
 

composer.json

@@ -24,7 +24,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=5.3.3",
         "ext-xml": "*",
         "ext-zip": "*"
     },