Cleanup to this. Don't need to pass by reference if we're returning too.

diff --git a/includes/Validate.php b/includes/Validate.php
index 7c598cf..476df32 100644 (file)
--- a/includes/Validate.php
+++ b/includes/Validate.php
@@ -14,7 +14,7 @@ class Validate {
         * @param int $max The upper limit
         * @return int
         */
-       public static function int( &$val, $min=0, $max=0x7fffffff ) {
+       public static function int( $val, $min=0, $max=0x7fffffff ) {
                $val = intval($val);
                $val = min($val, $max);
                $val = max($val, $min);
@@ -30,7 +30,7 @@ class Validate {
         * @param float $max Uppser limit
         * @return float
         */
-       public static function float( &$val, $min, $max=0x7fffffff ) {
+       public static function float( $val, $min, $max=0x7fffffff ) {
                $val = floatval( $val );
                $val = min( $val, $max );
                $val = max( $val, $min );
@@ -45,7 +45,7 @@ class Validate {
         * @param int $max Upper limit
         * @return mixed [int or null]
         */
-       public static function intOrNull( &$val, $min=0, $max=0x7fffffff ) {
+       public static function intOrNull( $val, $min=0, $max=0x7fffffff ) {
                $val = trim($val);
                if($val === '') {
                        return null;