diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..e7e9d11
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
diff --git a/.idea/PDFMerger.iml b/.idea/PDFMerger.iml
new file mode 100644
index 0000000..374b5ff
--- /dev/null
+++ b/.idea/PDFMerger.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/spec" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/Classes" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..28a804d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..01e9730
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/PDFMerger.iml" filepath="$PROJECT_DIR$/.idea/PDFMerger.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Classes/fpdf/fpdf.php b/Classes/fpdf/fpdf.php
index e7fbb45..badbde3 100755
--- a/Classes/fpdf/fpdf.php
+++ b/Classes/fpdf/fpdf.php
@@ -1040,8 +1040,10 @@ protected function _dochecks()
 	if(ini_get('mbstring.func_overload') & 2)
 		$this->Error('mbstring overloading must be disabled');
 	// Ensure runtime magic quotes are disabled
-	if(get_magic_quotes_runtime())
-		@set_magic_quotes_runtime(0);
+	if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+		if(get_magic_quotes_runtime())
+			@set_magic_quotes_runtime(0);
+	}
 }
 
 protected function _checkoutput()