Merge pull request zendframework/zendframework#5604 from samsonasik/c…

…hange/php-require-version

[2.3.0] change php require version from 5.3.3 to 5.3.23 in all resources and update tests that no longer support 5.3.3

composer.json

@@ -13,7 +13,7 @@
         }
     },
     "require": {
-        "php": ">=5.3.3",
+        "php": ">=5.3.23",
         "zendframework/zend-stdlib": "self.version"
     },
     "require-dev": {