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-rw-r--r--system/language/english/form_validation_lang.php1
-rw-r--r--system/libraries/Form_validation.php16
-rw-r--r--user_guide_src/source/libraries/form_validation.rst1
3 files changed, 18 insertions, 0 deletions
diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php
index b7ee25a38..3bc4515f5 100644
--- a/system/language/english/form_validation_lang.php
+++ b/system/language/english/form_validation_lang.php
@@ -54,6 +54,7 @@ $lang['form_validation_less_than_equal_to'] = 'The {field} field must contain a
$lang['form_validation_greater_than'] = 'The {field} field must contain a number greater than {param}.';
$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}.';
/* End of file form_validation_lang.php */
/* Location: ./system/language/english/form_validation_lang.php */ \ No newline at end of file
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 16766ca66..e98c87f81 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1459,6 +1459,22 @@ class CI_Form_validation {
// --------------------------------------------------------------------
/**
+ * Value should be within an array of values
+ *
+ * @param string
+ * @param array
+ * @return bool
+ */
+ public function in($value, $list)
+ {
+ $list = array_map('trim', explode(',', (string) $list));
+
+ return in_array((string) $value, $list);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Is a Natural number (0,1,2,3, etc.)
*
* @param string
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index 9776d7318..3f6e4905f 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -963,6 +963,7 @@ Rule Parameter Description
**less_than_equal_to** Yes Returns FALSE if the form element is greater than the parameter value, less_than_equal_to[8]
or not numeric.
**between** Yes Returns FALSE if the form element is not within the given range. between[10,20]
+**in** Yes Returns FALSE if the form element is not within a predetermined list. in[red,blue,green]
**alpha** No Returns FALSE if the form element contains anything other than alphabetical characters.
**alpha_numeric** No Returns FALSE if the form element contains anything other than alpha-numeric characters.
**alpha_numeric_spaces** No Returns FALSE if the form element contains anything other than alpha-numeric characters