Avoid failing on pre-4.3.2 due to lack of 'x' create-only option on fopen

diff --git a/config/index.php b/config/index.php
index cc22169..a8e0ce3 100644 (file)
--- a/config/index.php
+++ b/config/index.php
@@ -424,7 +424,14 @@ if( $conf->posted && ( 0 == count( $errs ) ) ) {
                /* Write out the config file now that all is well */
                print "<p>Creating LocalSettings.php...</p>\n\n";
                $localSettings =  "<" . "?php\n$local\n?" . ">";
-               $f = fopen( "LocalSettings.php", "xt" );
+               
+               if( version_compare( phpversion(), "4.3.2" ) >= 0 ) {
+                       $xt = "xt"; # Refuse to overwrite an existing file
+               } else {
+                       $xt = "wt"; # 'x' is not available prior to PHP 4.3.2. We did check above, but race conditions blah blah
+               }
+               $f = fopen( "LocalSettings.php", $xt );
+               
                if( $f == false ) {
                        dieout( "Couldn't write out LocalSettings.php. Check that the directory permissions are correct and that there isn't already a file of that name here...</p>\n" .
                        "<p>Here's the file that would have been written, try to paste it into place manually:</p>\n" .