change empty function to Identical comparison operator
Signed-off-by: Hashem Qolami <hashem@qolami.com>
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 47c9dca..8b9bfa8 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -583,7 +583,7 @@
// If the field is blank, but NOT required, no further tests are necessary
$callback = FALSE;
- if ( ! in_array('required', $rules) && ($postdata === NULL OR empty($postdata)))
+ if ( ! in_array('required', $rules) && ($postdata === NULL OR $postdata === ''))
{
// Before we bail out, does the rule contain a callback?
if (preg_match('/(callback_\w+(\[.*?\])?)/', implode(' ', $rules), $match))
@@ -598,7 +598,7 @@
}
// Isset Test. Typically this rule will only apply to checkboxes.
- if (($postdata === NULL OR empty($postdata)) && $callback === FALSE)
+ if (($postdata === NULL OR $postdata === '') && $callback === FALSE)
{
if (in_array('isset', $rules, TRUE) OR in_array('required', $rules))
{