remove reference assignment where unnecessary

[nominatim.git] / lib / db.php

diff --git a/lib/db.php b/lib/db.php
index d7c85e7b6df684f850c9e283bc3e2a29195689f9..cc84bf9bdaf71df7261aa393721e25c567771336 100644 (file)
--- a/lib/db.php
+++ b/lib/db.php
@@ -4,7 +4,7 @@
        function &getDB($bNew = false, $bPersistent = false)
        {
                // Get the database object
-               $oDB =& DB::connect(CONST_Database_DSN.($bNew?'?new_link=true':''), $bPersistent);
+               $oDB = DB::connect(CONST_Database_DSN.($bNew?'?new_link=true':''), $bPersistent);
                if (PEAR::IsError($oDB))
                {
                        var_dump(CONST_Database_DSN);
@@ -24,3 +24,16 @@
                return "'".pg_escape_string($s)."'";
        }
 
+       function getPostgresVersion(&$oDB)
+       {
+               $sVersionString = $oDB->getOne('select version()');
+               preg_match('#PostgreSQL ([0-9]+)[.]([0-9]+)[^0-9]#', $sVersionString, $aMatches);
+               return (float) ($aMatches[1].'.'.$aMatches[2]);
+       }
+
+       function getPostgisVersion(&$oDB)
+       {
+               $sVersionString = $oDB->getOne('select postgis_full_version()');
+               preg_match('#POSTGIS="([0-9]+)[.]([0-9]+)[.]([0-9]+)( r([0-9]+))?"#', $sVersionString, $aMatches);
+               return (float) ($aMatches[1].'.'.$aMatches[2]);
+       }