added dwt_append_raw(), format_filename() converts ^[.-] to _ instead of removing...

[wfpl.git] / format.php

diff --git a/format.php b/format.php
index a0e2f85..1fc74af 100644 (file)
--- a/format.php
+++ b/format.php
@@ -26,10 +26,14 @@ function format_int($str) {
        return ereg_replace('^0*([1-9])', '\1', $str);
 }
 
+function format_zip($str) {
+       return ereg_replace('[^0-9]', '', $str);
+}
+
 function format_filename($str) {
        $str = strtolower($str);
        $str = ereg_replace('[^a-z0-9_.-]', '_', $str);
-       return ereg_replace('^[0-9.-]*', '', $str);
+       return ereg_replace('^[.-]', '_', $str);
 }
 
 function format_varname($str) {