Document validateRequired().

Chi-teck · Chi-teck · commit a0d2f36de376 · 2017-05-30T23:45:59.000+05:00
diff --git a/src/Utils.php b/src/Utils.php
@@ -65,6 +65,8 @@ public static function validateClassName($value) {
    * Required value validator.
    */
   public static function validateRequired($value) {
+    // FALSE is not considered as empty value because question helper use
+    // it as negative answer on confirmation questions.
     if ($value === NULL || $value === '') {
       return 'The value is required.';
     }

Original file line number	Diff line number	Diff line change
`@@ -65,6 +65,8 @@ public static function validateClassName($value) {`
`65`	`65`	`* Required value validator.`
`66`	`66`	`*/`
`67`	`67`	`public static function validateRequired($value) {`
	`68`	`+ // FALSE is not considered as empty value because question helper use`
	`69`	`+ // it as negative answer on confirmation questions.`
`68`	`70`	`if ($value === NULL \|\| $value === '') {`
`69`	`71`	`return 'The value is required.';`
`70`	`72`	`}`