X-Git-Url: https://git.openstreetmap.org/nominatim.git/blobdiff_plain/e686ce868062a70acfbdddc68c8f4384789f0a40..d10f63b6667b6d55298bee3848ce5c3c03e131fb:/lib/ParameterParser.php

diff --git a/lib/ParameterParser.php b/lib/ParameterParser.php
index 0c0471a3..26b648bb 100644
--- a/lib/ParameterParser.php
+++ b/lib/ParameterParser.php
@@ -1,16 +1,18 @@
 <?php
 
+namespace Nominatim;
+
 class ParameterParser
 {
     private $aParams;
 
 
-    function __construct($aParams = null)
+    public function __construct($aParams = null)
     {
         $this->aParams = ($aParams === null) ? $_GET : $aParams;
     }
 
-    function getBool($sName, $bDefault = false)
+    public function getBool($sName, $bDefault = false)
     {
         if (!isset($this->aParams[$sName]) || strlen($this->aParams[$sName]) == 0) {
             return $bDefault;
@@ -19,9 +21,9 @@ class ParameterParser
         return (bool) $this->aParams[$sName];
     }
 
-    function getInt($sName, $bDefault = false)
+    public function getInt($sName, $bDefault = false)
     {
-        if (!isset($this->aParams[$sName]) || strlen($this->aParams[$sName]) == 0) {
+        if (!isset($this->aParams[$sName])) {
             return $bDefault;
         }
 
@@ -32,9 +34,9 @@ class ParameterParser
         return (int) $this->aParams[$sName];
     }
 
-    function getFloat($sName, $bDefault = false)
+    public function getFloat($sName, $bDefault = false)
     {
-        if (!isset($this->aParams[$sName]) || strlen($this->aParams[$sName]) == 0) {
+        if (!isset($this->aParams[$sName])) {
             return $bDefault;
         }
 
@@ -45,7 +47,7 @@ class ParameterParser
         return (float) $this->aParams[$sName];
     }
 
-    function getString($sName, $bDefault = false)
+    public function getString($sName, $bDefault = false)
     {
         if (!isset($this->aParams[$sName]) || strlen($this->aParams[$sName]) == 0) {
             return $bDefault;
@@ -54,7 +56,7 @@ class ParameterParser
         return $this->aParams[$sName];
     }
 
-    function getSet($sName, $aValues, $sDefault = false)
+    public function getSet($sName, $aValues, $sDefault = false)
     {
         if (!isset($this->aParams[$sName]) || strlen($this->aParams[$sName]) == 0) {
             return $sDefault;
@@ -67,21 +69,22 @@ class ParameterParser
         return $this->aParams[$sName];
     }
 
-    function getStringList($sName, $aDefault = false)
+    public function getStringList($sName, $aDefault = false)
     {
         $sValue = $this->getString($sName);
 
         if ($sValue) {
-            return explode(',', $sValue);
+            // removes all NULL, FALSE and Empty Strings but leaves 0 (zero) values
+            return array_values(array_filter(explode(',', $sValue), 'strlen'));
         }
 
         return $aDefault;
     }
 
-    function getPreferredLanguages($sFallback = null)
+    public function getPreferredLanguages($sFallback = null)
     {
-        if ($sFallback === null && isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) {
-            $sFallback = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
+        if ($sFallback === null && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+            $sFallback = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
         }
 
         $aLanguages = array();
@@ -96,7 +99,7 @@ class ParameterParser
                 arsort($aLanguages);
             }
         }
-        if (!sizeof($aLanguages) && CONST_Default_Language) {
+        if (empty($aLanguages) && CONST_Default_Language) {
             $aLanguages[CONST_Default_Language] = 1;
         }