added more unit tests

[wfpl.git] / format.php

diff --git a/format.php b/format.php
index 0058a44..85a90a2 100644 (file)
--- a/format.php
+++ b/format.php
@@ -45,6 +45,7 @@ function format_int($str) {
        return ereg_replace('^0*([0-9])', '\1', $str);
 }
 
+# format the digits after the decimal point
 function format_decimals($str) {
        $str = ereg_replace('[^0-9]', '', $str);
        if(strlen($str)) {
@@ -99,6 +100,7 @@ function format_int_0($str) {
        return $str;
 }
 
+# USA zip codes
 function format_zip($str) {
        $str = ereg_replace('[^0-9]', '', $str);
        if(strlen($str) > 5) {