diff --git a/addressbook/inc/class.uiaddressbook.inc.php b/addressbook/inc/class.uiaddressbook.inc.php
index 748556476e..8a8fd4ade0 100644
--- a/addressbook/inc/class.uiaddressbook.inc.php
+++ b/addressbook/inc/class.uiaddressbook.inc.php
@@ -982,7 +982,7 @@
 				{
 					if($contactscat)
 					{
-						$catinfo = $this->cat->return_single(intval($contactscat));
+						$catinfo = $this->cat->return_single((int)$contactscat);
 						$catname .= $catinfo[0]['name'] . '; ';
 					}
 				}
@@ -993,8 +993,8 @@
 			}
 			else
 			{
-				$fields[0]['cat_id'] = ereg_replace(',','',$fields[0]['cat_id']);
-				$catinfo = $this->cat->return_single(intval($fields[0]['cat_id']));
+				$fields[0]['cat_id'] = str_replace(',','',$fields[0]['cat_id']);
+				$catinfo = $this->cat->return_single((int)$fields[0]['cat_id']);
 				$catname = $catinfo[0]['name'];
 				if(!$this->cat_id)
 				{
@@ -1077,7 +1077,7 @@
 		{
 			$prefs   = $_POST['prefs'];
 			$other   = $_POST['other'];
-			$fcat_id = intval($_POST['fcat_id']);
+			$fcat_id = (int)$_POST['fcat_id'];
 
 			$custom = $this->fields->read_custom_fields();
 			$customfields = array();
@@ -1469,7 +1469,7 @@
 			{
 				while(list($name,$value) = each($customfields))
 				{
-					$value = ereg_replace('_',' ',$value);
+					$value = str_replace('_',' ',$value);
 					$custom .= '
   <tr bgcolor="' . $GLOBALS['phpgw_info']['theme']['row_off'] . '">
     <td>&nbsp;</td>
diff --git a/addressbook/inc/class.uifields.inc.php b/addressbook/inc/class.uifields.inc.php
index c227450bcd..6ed60923a3 100644
--- a/addressbook/inc/class.uifields.inc.php
+++ b/addressbook/inc/class.uifields.inc.php
@@ -419,7 +419,7 @@
 			}
 			if($new)
 			{
-				$tmp = strtolower(ereg_replace(' ','_',$new));
+				$tmp = strtolower(str_replace(' ','_',$new));
 				$this->config->config_data['custom_fields'][$tmp] = $new;
 			}
 
diff --git a/addressbook/inc/functions.inc.php b/addressbook/inc/functions.inc.php
index 4dcc53672f..230882162f 100755
--- a/addressbook/inc/functions.inc.php
+++ b/addressbook/inc/functions.inc.php
@@ -139,8 +139,8 @@
 		{
 			if ( substr($col,0,6) == 'extra_' )
 			{
-				$fields[$j]['name'] = ereg_replace('extra_','',$col);
-				$fields[$j]['name'] = ereg_replace(' ','_',$fields[$j]['name']);
+				$fields[$j]['name'] = str_replace('extra_','',$col);
+				$fields[$j]['name'] = str_replace(' ','_',$fields[$j]['name']);
 				$fields[$j]['id'] = $i;
 
 				if ($query && ($fields[$j]['name'] != $query))