diff --git a/phpdotnet/phd/Package/Generic/XHTML.php b/phpdotnet/phd/Package/Generic/XHTML.php
index 842a68af..e06981ae 100644
--- a/phpdotnet/phd/Package/Generic/XHTML.php
+++ b/phpdotnet/phd/Package/Generic/XHTML.php
@@ -67,7 +67,8 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
             /* DEFAULT */          'span',
             'ooclass'           => array(
                 /* DEFAULT */      'strong',
-                'classsynopsisinfo' => 'format_classsynopsisinfo_ooclass_classname',
+                'classsynopsisinfo'     => 'format_classsynopsisinfo_ooclass_classname',
+                'interfacesynopsisinfo' => 'format_interfacesynopsisinfo_ooclass_classname',
             ),
         ),
         'classsynopsis'         => 'format_classsynopsis',
@@ -134,6 +135,8 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
         'indexdiv'              => 'format_dl',
         'indexentry'            => 'dd',
         'initializer'           => 'format_initializer',
+        'interfacesynopsis'     => 'format_interfacesynopsis',
+        'interfacesynopsisinfo' => 'format_interfacesynopsisinfo',
         'itemizedlist'          => 'format_itemizedlist',
         'legalnotice'           => 'format_chunk',
         'listitem'              => array(
@@ -162,12 +165,14 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
         'oointerface'           => array(
             /* DEFAULT */          'span',
             'classsynopsisinfo'    => 'format_classsynopsisinfo_oointerface',
+            'interfacesynopsisinfo'    => 'format_interfacesynopsisinfo_oointerface',
         ),
         'interfacename'         => array(
             /* DEFAULT */          'span',
             'oointerface'       => array(
-                /* DEFAULT */          'span',
-                'classsynopsisinfo' => 'format_classsynopsisinfo_oointerface_interfacename',
+                /* DEFAULT */          'format_suppressed_tags',
+                'classsynopsisinfo'     => 'format_classsynopsisinfo_oointerface_interfacename',
+                'interfacesynopsisinfo' => 'format_suppressed_tags',
             ),
         ),
         'exceptionname'         => 'span',
@@ -381,7 +386,8 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
             /* DEFAULT */         false,
             'ooclass'          => array(
                 /* DEFAULT */     false,
-                'classsynopsis' => 'format_classsynopsis_ooclass_classname_text',
+                'classsynopsis'     => 'format_classsynopsis_ooclass_classname_text',
+                'interfacesynopsis' => 'format_interfacesynopsis_ooclass_classname_text',
             ),
         ),
         'methodname'           => array(
@@ -393,6 +399,7 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
             'methodsynopsis'    => array(
                 /* DEFAULT */     false,
                 'classsynopsis' => 'format_classsynopsis_methodsynopsis_methodname_text',
+                'interfacesynopsis' => 'format_interfacesynopsis_methodsynopsis_methodname_text',
             ),
             'destructorsynopsis' => array(
                 /* DEFAULT */     false,
@@ -432,6 +439,14 @@ abstract class Package_Generic_XHTML extends Format_Abstract_XHTML {
         "fieldsynopsis"            => array(
             "modifier"                      => "public",
         ),
+        "interfacesynopsis"        => array(
+            "close"                         => false,
+            "classname"                     => false,
+        ),
+        "interfacesynopsisinfo"    => array(
+            "extends"                       => false,
+            "oointerface"                   => false,
+        ),
         "methodsynopsis"           => array(
             "returntypes"           => [],
             "type_separator"        => null,
@@ -974,6 +989,94 @@ public function format_classsynopsis($open, $name, $attrs) {
         return "</div>";
     }
 
+    public function format_interfacesynopsisinfo_ooclass_classname($open, $name, $attrs)
+    {
+        if ($open) {
+            if ($this->cchunk["interfacesynopsisinfo"]["oointerface"] === false) {
+                $this->cchunk["interfacesynopsisinfo"]["oointerface"] = true;
+                return '<span class="modifier">interface</span> ';
+            }
+
+            return "";
+        }
+
+        if ($this->cchunk["interfacesynopsisinfo"]["oointerface"] === true) {
+            $this->cchunk["interfacesynopsisinfo"]["oointerface"] = null;
+        }
+
+        return "";
+    }
+
+    public function format_interfacesynopsisinfo_oointerface($open, $name, $attrs) {
+        if ($open) {
+            if ($this->cchunk["interfacesynopsisinfo"]["extends"] === false) {
+                $this->cchunk["interfacesynopsisinfo"]["extends"] = true;
+                return '<span class="' . $name . '">';
+            }
+
+            return '<span class="'.$name.'">, ';
+        }
+
+        return "</span>";
+    }
+
+    public function format_interfacesynopsisinfo($open, $name, $attrs)
+    {
+        $this->cchunk["interfacesynopsisinfo"] = $this->dchunk["interfacesynopsisinfo"];
+        if ($open) {
+            $name .= ' classsynopsisinfo';
+
+            if (isset($attrs[Reader::XMLNS_DOCBOOK]["role"]) && $attrs[Reader::XMLNS_DOCBOOK]["role"] == "comment") {
+                return '<div class="'.$name.' classsynopsisinfo_comment">/* ';
+            }
+
+            return '<div class="'.$name.'">';
+        }
+
+        if (isset($attrs[Reader::XMLNS_DOCBOOK]["role"]) && $attrs[Reader::XMLNS_DOCBOOK]["role"] == "comment") {
+            return ' */</div>';
+        }
+        $this->cchunk["interfacesynopsis"]["close"] = true;
+
+        return ' {</div>';
+    }
+
+    public function format_interfacesynopsis_methodsynopsis_methodname_text($value, $tag) {
+        $value = $this->TEXT($value);
+        if ($this->cchunk["interfacesynopsis"]["classname"] === false) {
+            return $value;
+        }
+        if (strpos($value, '::')) {
+            $explode = '::';
+        } elseif (strpos($value, '->')) {
+            $explode = '->';
+        } elseif (strpos($value, '-&gt;')) {
+            $explode = '-&gt;';
+        } else {
+            return $value;
+        }
+
+        list($class, $method) = explode($explode, $value);
+        if ($class !== $this->cchunk["interfacesynopsis"]["classname"]) {
+            return $value;
+        }
+        return $method;
+    }
+
+    public function format_interfacesynopsis($open, $name, $attrs) {
+        if ($open) {
+            $name .= ' classsynopsis';
+            return '<div class="'.$name.'">';
+        }
+
+        if ($this->cchunk["interfacesynopsis"]["close"] === true) {
+            $this->cchunk["interfacesynopsis"]["close"] = false;
+            return "}</div>";
+        }
+
+        return "</div>";
+    }
+
     public function format_classsynopsis_methodsynopsis_methodname_text($value, $tag) {
         $value = $this->TEXT($value);
         if ($this->cchunk["classsynopsis"]["classname"] === false) {
@@ -1001,6 +1104,11 @@ public function format_classsynopsis_ooclass_classname_text($value, $tag) {
         return $this->TEXT($value);
     }
 
+    public function format_interfacesynopsis_ooclass_classname_text($value, $tag) {
+        $this->cchunk["interfacesynopsis"]["classname"] = $value;
+        return $this->TEXT($value);
+    }
+
     public function format_fieldsynopsis($open, $name, $attrs) {
         $this->cchunk["fieldsynopsis"] = $this->dchunk["fieldsynopsis"];
         if ($open) {
@@ -1063,6 +1171,7 @@ public function format_initializer($open, $name, $attrs) {
         }
         return '</span>';
     }
+
     public function format_parameter($open, $name, $attrs, $props)
     {
         if ($props["empty"]) {
diff --git a/phpdotnet/phd/Package/PHP/XHTML.php b/phpdotnet/phd/Package/PHP/XHTML.php
index 2062436c..e46d0a11 100644
--- a/phpdotnet/phd/Package/PHP/XHTML.php
+++ b/phpdotnet/phd/Package/PHP/XHTML.php
@@ -11,7 +11,8 @@ abstract class Package_PHP_XHTML extends Package_Generic_XHTML {
             /* DEFAULT */          'span',
             'ooclass'           => array(
                 /* DEFAULT */      'format_suppressed_tags',
-                'classsynopsisinfo' => 'format_classsynopsisinfo_ooclass_classname',
+                'classsynopsisinfo'     => 'format_classsynopsisinfo_ooclass_classname',
+                'interfacesynopsisinfo' => 'format_interfacesynopsisinfo_ooclass_classname',
             ),
         ),
         'chapter'               => 'format_container_chunk',
@@ -96,7 +97,8 @@ abstract class Package_PHP_XHTML extends Package_Generic_XHTML {
             /* DEFAULT */         'format_classname_text',
             'ooclass'          => array(
                 /* DEFAULT */     'format_classname_text',
-                'classsynopsis' => 'format_classsynopsis_ooclass_classname_text',
+                'classsynopsis'     => 'format_classsynopsis_ooclass_classname_text',
+                'interfacesynopsis' => 'format_interfacesynopsis_ooclass_classname_text',
             ),
         ),
         'methodname'            => array(
@@ -106,6 +108,7 @@ abstract class Package_PHP_XHTML extends Package_Generic_XHTML {
             ),
             'methodsynopsis'    => array(
                 /* DEFAULT */      'format_classsynopsis_methodsynopsis_methodname_text',
+                'interfacesynopsis' => 'format_interfacesynopsis_methodsynopsis_methodname_text',
             ),
             'destructorsynopsis' => array(
                 /* DEFAULT */      'format_classsynopsis_methodsynopsis_methodname_text',
@@ -710,6 +713,22 @@ public function format_classsynopsis_ooclass_classname_text($value, $tag) {
         parent::format_classsynopsis_ooclass_classname_text($value, $tag);
     }
 
+    public function format_interfacesynopsis_methodsynopsis_methodname_text($value, $tag) {
+        if ($this->cchunk["interfacesynopsis"]["classname"]) {
+            if (strpos($value, "::") === false && strpos($value, "->") === false) {
+                $value = $this->cchunk["interfacesynopsis"]["classname"] . "::" . $value;
+            }
+        }
+
+        $display_value = parent::format_interfacesynopsis_methodsynopsis_methodname_text($value, $tag);
+        return $this->format_function_text($value, $tag, $display_value);
+    }
+
+    public function format_interfacesynopsis_ooclass_classname_text($value, $tag) {
+        /* intentionally not return the value */
+        parent::format_interfacesynopsis_ooclass_classname_text($value, $tag);
+    }
+
     public function format_classname_text($value, $tag) {
         if (($filename = $this->getClassnameLink(strtolower($value))) !== null && $this->cchunk["phpdoc:classref"] !== strtolower($value)) {
             $href = $this->chunked ? $filename.$this->ext : "#$filename";
diff --git a/phpdotnet/phd/Render.php b/phpdotnet/phd/Render.php
index 4117b4f4..5885579b 100644
--- a/phpdotnet/phd/Render.php
+++ b/phpdotnet/phd/Render.php
@@ -189,6 +189,7 @@ public function execute(Reader $r) { /* {{{ */
 
                 /* The following if is to skip unnecessary whitespaces in the implements list */
                 if (
+                    ($this->STACK[$r->depth - 1] === 'interfacesynopsisinfo' && $this->STACK[$r->depth] === 'oointerface') ||
                     ($this->STACK[$r->depth - 1] === 'classsynopsisinfo' && $this->STACK[$r->depth] === 'oointerface') ||
                     ($this->STACK[$r->depth - 1] === 'oointerface' && $this->STACK[$r->depth] === 'interfacename')
                 ) {