diff --git a/phpdotnet/phd/Format.php b/phpdotnet/phd/Format.php
index fbd240d8f..7654e6b5e 100644
--- a/phpdotnet/phd/Format.php
+++ b/phpdotnet/phd/Format.php
@@ -357,7 +357,6 @@ public function getFormatName() {
 
     /* Buffer where append data instead of the standard stream (see format's appendData()) */
     final public function parse($xml) {
-        $parsed = "";
         $reader = new Reader();
         $render = new Render();
 
@@ -509,7 +508,7 @@ public function initRow() {
     }
     public function getEntryOffset(array $attrs) {
         $curr = $this->TABLE["next_colnum"];
-        foreach($this->TABLE["colspec"] as $col => $spec) {
+        foreach($this->TABLE["colspec"] as $spec) {
             if ($spec["colname"] == $attrs["colname"]) {
                 $colnum = $spec["colnum"];
                 $this->TABLE["next_colnum"] += $colnum-$curr;
@@ -520,7 +519,7 @@ public function getEntryOffset(array $attrs) {
     }
     public function colspan(array $attrs) {
         if (isset($attrs["namest"])) {
-            foreach($this->TABLE["colspec"] as $colnum => $spec) {
+            foreach($this->TABLE["colspec"] as $spec) {
                 if ($spec["colname"] == $attrs["namest"]) {
                     $from = $spec["colnum"];
                     continue;
diff --git a/phpdotnet/phd/Format/Abstract/PDF.php b/phpdotnet/phd/Format/Abstract/PDF.php
index 5aea11f6b..ed34c4c09 100644
--- a/phpdotnet/phd/Format/Abstract/PDF.php
+++ b/phpdotnet/phd/Format/Abstract/PDF.php
@@ -94,7 +94,6 @@ class PdfWriter {
     private $currentFontColor;
     private $fonts;
     private $oldFonts = array();
-    private $text;
 
     private $vOffset = 0;
     private $hOffset = 0;
diff --git a/phpdotnet/phd/Highlighter.php b/phpdotnet/phd/Highlighter.php
index b905e568c..f839d8690 100644
--- a/phpdotnet/phd/Highlighter.php
+++ b/phpdotnet/phd/Highlighter.php
@@ -76,8 +76,6 @@ public function highlight($text, $role, $format)
                 . htmlspecialchars($text, ENT_QUOTES, 'UTF-8')
                 . "</pre>\n";
         }
-
-        return $retval;
     }//public function highlight(..)
 
 }
diff --git a/phpdotnet/phd/Index.php b/phpdotnet/phd/Index.php
index c07cbe36d..0a97ebf94 100644
--- a/phpdotnet/phd/Index.php
+++ b/phpdotnet/phd/Index.php
@@ -213,7 +213,7 @@ public function update($event, $value = null)
                 }
                 break;
             case Render::FINALIZE:
-                $retval = $this->db->exec("BEGIN TRANSACTION; INSERT INTO indexing (time) VALUES ('" . time() . "'); COMMIT");
+                $this->db->exec("BEGIN TRANSACTION; INSERT INTO indexing (time) VALUES ('" . time() . "'); COMMIT");
                 $this->commit();
                 if ($this->db->lastErrorCode()) {
                     trigger_error($this->db->lastErrorMsg(), E_USER_WARNING);
@@ -361,7 +361,7 @@ public function format_chunk($open, $name, $attrs, $props) {
             return false;
         }
         if (array_pop($this->isChunk)) {
-            $lastchunk = array_pop($this->chunks);
+            array_pop($this->chunks);
             $this->currentchunk = end($this->chunks);
             $this->appendID();
         }
diff --git a/phpdotnet/phd/Options/Handler.php b/phpdotnet/phd/Options/Handler.php
index df3c7c2e3..323958ecb 100644
--- a/phpdotnet/phd/Options/Handler.php
+++ b/phpdotnet/phd/Options/Handler.php
@@ -170,7 +170,7 @@ public function option_p($k, $v)
     public function option_partial($k, $v)
     {
         $render_ids = Config::render_ids();
-        foreach((array)$v as $i => $val) {
+        foreach((array)$v as $val) {
             $recursive = true;
             if (strpos($val, "=") !== false) {
                 list($val, $recursive) = explode("=", $val);
@@ -215,7 +215,7 @@ public function option_s($k, $v)
     public function option_skip($k, $v)
     {
         $skip_ids = Config::skip_ids();
-        foreach((array)$v as $i => $val) {
+        foreach((array)$v as $val) {
             $recursive = true;
             if (strpos($val, "=") !== false) {
                 list($val, $recursive) = explode("=", $val);
@@ -261,7 +261,7 @@ public function option_verbose($k, $v)
     {
         static $verbose = 0;
 
-        foreach((array)$v as $i => $val) {
+        foreach((array)$v as $val) {
             foreach(explode("|", $val) as $const) {
                 if (defined($const)) {
                     $verbose |= (int)constant($const);
diff --git a/phpdotnet/phd/Options/Parser.php b/phpdotnet/phd/Options/Parser.php
index 206b509f8..6d9e8e9f4 100644
--- a/phpdotnet/phd/Options/Parser.php
+++ b/phpdotnet/phd/Options/Parser.php
@@ -81,7 +81,7 @@ private function checkOptions() {
             $checkArgv = explode('=', $argv[$i]);
             if (substr($checkArgv[0], 0, 2) == '--') {
                 if (!in_array(substr($checkArgv[0], 2), $long)) {
-                    trigger_error('Invalid long option ' . $argv[$i] . ' ' . $check, E_USER_ERROR);
+                    trigger_error('Invalid long option ' . $argv[$i], E_USER_ERROR);
                 }
             } elseif (substr($checkArgv[0], 0, 1) == '-') {
                 if (!in_array(substr($checkArgv[0], 1), $short)) {
diff --git a/phpdotnet/phd/Package/Generic/Manpage.php b/phpdotnet/phd/Package/Generic/Manpage.php
index 329a2789c..8d819dd3c 100644
--- a/phpdotnet/phd/Package/Generic/Manpage.php
+++ b/phpdotnet/phd/Package/Generic/Manpage.php
@@ -448,14 +448,7 @@ public function format_refname($open, $name, $attrs, $props) {
 
         return "";
     }
-    /*
-    public function format_refname($open, $name, $attrs, $props) {
-        if ($open) {
-            return "\n.SH " . $this->autogen($name, $props["lang"]) . "\n";
-        }
-        return "";
-    }
-    */
+
     public function format_refname_text($value, $tag) {
         $this->cchunk["funcname"][] = $this->toValidName(trim($value));
 
diff --git a/phpdotnet/phd/Package/Generic/PDF.php b/phpdotnet/phd/Package/Generic/PDF.php
index bfa19c560..aca83b2ba 100644
--- a/phpdotnet/phd/Package/Generic/PDF.php
+++ b/phpdotnet/phd/Package/Generic/PDF.php
@@ -770,7 +770,6 @@ public function format_entry($open, $name, $attrs, $props) {
         if ($open) {
             $dbattrs = Format::getColspec($attrs[Reader::XMLNS_DOCBOOK]);
             $align = (isset($dbattrs["align"]) ? $dbattrs["align"] : $align);
-            $retval = "";
             if (isset($dbattrs["colname"])) {
                 for($i=Format::getEntryOffset($dbattrs); $i>0; --$i) {
                     $this->pdfDoc->add(PdfWriter::TABLE_ENTRY, array(1, 1, $align));
@@ -982,7 +981,6 @@ public function format_initializer($open, $name, $attrs) {
     public function format_footnoteref($open, $name, $attrs, $props) {
         if ($open) {
             $linkend = $attrs[Reader::XMLNS_DOCBOOK]["linkend"];
-            $found = false;
             foreach($this->cchunk["footnote"] as $k => $note) {
                 if ($note["id"] === $linkend) {
                     $this->pdfDoc->setFont(PdfWriter::FONT_NORMAL, 12, array(0,0,1));
diff --git a/phpdotnet/phd/Package/Generic/XHTML.php b/phpdotnet/phd/Package/Generic/XHTML.php
index 7606cb214..8d1a9a594 100644
--- a/phpdotnet/phd/Package/Generic/XHTML.php
+++ b/phpdotnet/phd/Package/Generic/XHTML.php
@@ -610,7 +610,6 @@ public function format_suppressed_text($value, $tag) {
     }
 
     public function format_link($open, $name, $attrs, $props) {
-        $link = null;
         if ($open) {
             $link = $class = $content = "";
 
@@ -793,7 +792,6 @@ public function format_container_chunk_below($open, $name, $attrs, $props) {
         }
 
         $toc = '<ol>';
-        $desc = "";
         if (!in_array($id, $this->TOC_WRITTEN)) {
             $toc = $this->createTOC($id, $name, $props);
         }
@@ -1141,7 +1139,6 @@ public function format_fieldsynopsis_varname($open, $name, $attrs) {
     public function format_footnoteref($open, $name, $attrs, $props) {
         if ($open) {
             $linkend = $attrs[Reader::XMLNS_DOCBOOK]["linkend"];
-            $found = false;
             foreach($this->cchunk["footnote"] as $k => $note) {
                 if ($note["id"] === $linkend) {
                     return '<a href="#fnid' .$note["id"]. '"><sup>[' .($k + 1). ']</sup></a>';
diff --git a/phpdotnet/phd/Package/PEAR/ChunkedXHTML.php b/phpdotnet/phd/Package/PEAR/ChunkedXHTML.php
index 82fba7c6a..6fce41bcf 100755
--- a/phpdotnet/phd/Package/PEAR/ChunkedXHTML.php
+++ b/phpdotnet/phd/Package/PEAR/ChunkedXHTML.php
@@ -100,7 +100,6 @@ public function update($event, $val = null) {
     */
     public function header($id) {
         $title = $this->getShortDescription($id);
-        $lang = Config::language();
         static $cssLinks = null;
         if ($cssLinks === null) {
             $cssLinks = $this->createCSSLinks();
diff --git a/phpdotnet/phd/Package/PEAR/Web.php b/phpdotnet/phd/Package/PEAR/Web.php
index 8f048daa5..43824791d 100755
--- a/phpdotnet/phd/Package/PEAR/Web.php
+++ b/phpdotnet/phd/Package/PEAR/Web.php
@@ -124,11 +124,8 @@ public function header($id)
      */
     public function footer($id)
     {
-        $ext = $this->ext;
-        $parent = Format::getParent($id);
-
         return '<?php manualFooter("'
-            . $this->getFilename($id) . $ext . '", '
+            . $this->getFilename($id) . $this->ext . '", '
             . var_export(Format::getLongDescription($id), true)
             . '); ?>';
     }
diff --git a/phpdotnet/phd/Package/PEAR/XHTML.php b/phpdotnet/phd/Package/PEAR/XHTML.php
index 081aabe8d..37a552974 100755
--- a/phpdotnet/phd/Package/PEAR/XHTML.php
+++ b/phpdotnet/phd/Package/PEAR/XHTML.php
@@ -646,7 +646,7 @@ public function format_phd_pearapi($open, $name, $attrs, $props)
             if (count($arLinkend) == 1) {
                 //link to class
                 $linktpl = '{$package}/docs/latest/{$package}/{$class}.html';
-            } else if ($arLinkend[1]{0} == '$') {
+            } else if ($arLinkend[1][0] == '$') {
                 //link to class variable
                 $variable = $arLinkend[1];
                 $linktpl = '{$package}/docs/latest/{$package}/{$class}.html#var{$variable}';
diff --git a/phpdotnet/phd/Package/PHP/ChunkedXHTML.php b/phpdotnet/phd/Package/PHP/ChunkedXHTML.php
index a04d83d12..9afc97f70 100644
--- a/phpdotnet/phd/Package/PHP/ChunkedXHTML.php
+++ b/phpdotnet/phd/Package/PHP/ChunkedXHTML.php
@@ -2,8 +2,6 @@
 namespace phpdotnet\phd;
 
 class Package_PHP_ChunkedXHTML extends Package_PHP_Web {
-    private $nav = "";
-
     public function __construct() {
         parent::__construct();
         $this->registerFormatName("PHP-Chunked-XHTML");
diff --git a/phpdotnet/phd/Package/PHP/HowTo.php b/phpdotnet/phd/Package/PHP/HowTo.php
index 4648d9492..cd060aa51 100644
--- a/phpdotnet/phd/Package/PHP/HowTo.php
+++ b/phpdotnet/phd/Package/PHP/HowTo.php
@@ -40,7 +40,6 @@ public function header($id) {
         $parent = Format::getParent($id);
         $next = $prev = $up = array(null, null);
         if ($parent && $parent != "ROOT") {
-            $siblings = Format::getChildren($parent);
             if ($nextId = Format::getNext($id)) {
                 $next = array(
                     Format::getFilename($nextId) . $this->getExt(),
diff --git a/phpdotnet/phd/Package/PHP/KDevelop.php b/phpdotnet/phd/Package/PHP/KDevelop.php
index 7812cbf82..e30e747f6 100644
--- a/phpdotnet/phd/Package/PHP/KDevelop.php
+++ b/phpdotnet/phd/Package/PHP/KDevelop.php
@@ -139,7 +139,6 @@ public function format_tocsect1($open, $name, $attrs) {
     public function format_tocsect2($open, $name, $attrs) {
         if (!isset($attrs[Reader::XMLNS_XML]["id"])) return "";
         $id = $attrs[Reader::XMLNS_XML]["id"];
-        $hasChild = (count(Format::getChildren($id)) > 0);
         if ($open) {
             $name = htmlspecialchars(Format::getShortDescription($id), ENT_QUOTES, 'UTF-8');
             $url = (Format::getFilename($id) ? Format::getFilename($id) : $id) . $this->getExt();
diff --git a/phpdotnet/phd/Package/PHP/PDF.php b/phpdotnet/phd/Package/PHP/PDF.php
index 9aab2742f..f0ee5e8d4 100644
--- a/phpdotnet/phd/Package/PHP/PDF.php
+++ b/phpdotnet/phd/Package/PHP/PDF.php
@@ -256,7 +256,7 @@ protected function resolveLinks($name) {
     public function format_type_text($type, $tagname) {
         $type = trim(preg_replace('/[ \n\t]+/', ' ', $type));
         $t = strtolower($type);
-        $href = $fragment = "";
+        $href = "";
 
         switch($t) {
         case "bool":
@@ -284,7 +284,6 @@ public function format_type_text($type, $tagname) {
             break;
         case "mixed":
             $href = "language.types.declarations";
-            $fragment = "language.types.declarations.$t";
             break;
         default:
             /* Check if its a classname. */
diff --git a/phpdotnet/phd/Package/PHP/XHTML.php b/phpdotnet/phd/Package/PHP/XHTML.php
index 461475605..641c1dedd 100644
--- a/phpdotnet/phd/Package/PHP/XHTML.php
+++ b/phpdotnet/phd/Package/PHP/XHTML.php
@@ -289,6 +289,7 @@ public static function generateAcronymInfo($filename) {
         }
 
         $acronyms = array();
+        $k = "";
         while ($r->read()) {
             if ($r->nodeType != \XMLReader::ELEMENT) {
                 continue;
diff --git a/phpdotnet/phd/Reader/Partial.php b/phpdotnet/phd/Reader/Partial.php
index 0c8cda3f2..8fee959ab 100644
--- a/phpdotnet/phd/Reader/Partial.php
+++ b/phpdotnet/phd/Reader/Partial.php
@@ -55,7 +55,6 @@ public function read() {
         static $currently_skipping = false;
         static $arrayPartial = array();
         static $arraySkip = array();
-        $ignore = false;
 
         while($ret = parent::read()) {
             $id = $this->getAttributeNs("id", self::XMLNS_XML);
@@ -83,13 +82,11 @@ public function read() {
 
                     unset($this->skip[$id]);
                     $currently_skipping = false;
-                    $ignore = false;
                     array_pop($arraySkip);
                 } else {
                     v("Skipping %s...", $id, VERBOSE_PARTIAL_READING);
 
                     $currently_skipping = $id;
-                    $ignore = true;
                     $arraySkip[] = $id;
                 }
             } elseif ($currently_skipping && $this->skip[$currently_skipping]) {
@@ -99,7 +96,6 @@ public function read() {
                     v("%s done", $id, VERBOSE_PARTIAL_CHILD_READING);
                 }
 
-                $ignore = true;
             } elseif ($currently_reading && $this->partial[$currently_reading]) {
                 if ($currentPartial == $id) {
                     v("Rendering child of %s, %s", $currently_reading, $id, VERBOSE_PARTIAL_CHILD_READING);
@@ -120,7 +116,6 @@ public function read() {
                         parent::next();
                     }
                 }
-                $ignore = true;
             }
         }
         return $ret;