Restore compatibility with PHP 5.3

.travis.yml

@@ -1,6 +1,8 @@
 language: php
 
 php:
+    - 5.3.3
+    - 5.3
     - 5.4
     - 5.5
     - 5.6

composer.json

@@ -24,7 +24,7 @@
         "role": "Developer (original JS version)"
     }],
     "require": {
-        "php": ">=5.4",
+        "php": ">=5.3.3",
         "ext-tidy": ">=1.2"
     },
     "autoload": {

phpunit.xml.dist

@@ -27,6 +27,6 @@
     </filter>
 
     <logging>
-        <log type="coverage-html" target="coverage" title="FullText" charset="UTF-8" yui="true" highlight="true" lowUpperBound="35" highLowerBound="70"/>
+        <log type="coverage-html" target="coverage" title="Readability" charset="UTF-8" yui="true" highlight="true" lowUpperBound="35" highLowerBound="70"/>
     </logging>
 </phpunit>

src/Readability.php

@@ -47,7 +47,6 @@ namespace Readability;
  */
 class Readability
 {
-    public $version = '1.7.2-without-multi-page';
     public $convertLinksToFootnotes = false;
     public $revertForcedParagraphElements = true;
     public $articleTitle;
@@ -195,7 +194,13 @@ class Readability
             libxml_use_internal_errors(true);
             $this->dom = new \DOMDocument();
             $this->dom->preserveWhiteSpace = false;
-            @$this->dom->loadHTML($html, LIBXML_NOBLANKS | LIBXML_COMPACT | LIBXML_NOERROR);
+
+            if (PHP_VERSION_ID >= 50400) {
+                $this->dom->loadHTML($html, LIBXML_NOBLANKS | LIBXML_COMPACT | LIBXML_NOERROR);
+            } else {
+                $this->dom->loadHTML($html);
+            }
+
             libxml_use_internal_errors(false);
         }