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-rw-r--r--system/language/english/form_validation_lang.php1
-rw-r--r--system/libraries/Form_validation.php16
2 files changed, 17 insertions, 0 deletions
diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php
index 1230ce566..a98f49b39 100644
--- a/system/language/english/form_validation_lang.php
+++ b/system/language/english/form_validation_lang.php
@@ -55,6 +55,7 @@ $lang['form_validation_greater_than'] = 'The {field} field must contain a numbe
$lang['form_validation_greater_than_equal_to'] = 'The {field} field must contain a number greater than or equal to {param}.';
$lang['form_validation_between'] = 'The {field} field must contain a number between {param}.';
$lang['form_validation_in'] = 'The {field} field must be within a predetermined list: {param}.';
+$lang['form_validation_not_in'] = 'The {field} field must not be within: {param}.';
$lang['form_validation_date'] = 'The {field} field must be a proper date.';
/* End of file form_validation_lang.php */
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 3e8204eee..74a5b87a0 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1475,6 +1475,22 @@ class CI_Form_validation {
// --------------------------------------------------------------------
/**
+ * Value should not be within an array of values
+ *
+ * @param string
+ * @param array
+ * @return bool
+ */
+ public function not_in($value, $list)
+ {
+ $list = array_map('trim', explode(',', (string) $list));
+
+ return ! in_array((string) $value, $list);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Value should be a valid date
*
* @param string