Form Validation - Between method
Value must be within a given numeric range
diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php
index 9156ebe..b7ee25a 100644
--- a/system/language/english/form_validation_lang.php
+++ b/system/language/english/form_validation_lang.php
@@ -53,6 +53,7 @@
$lang['form_validation_less_than_equal_to'] = 'The {field} field must contain a number less than or equal to {param}.';
$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}.';
/* 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 b640f1e..16766ca 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1438,6 +1438,27 @@
// --------------------------------------------------------------------
/**
+ * Between two numeric values
+ *
+ * @param int
+ * @param string
+ * @return bool
+ */
+ public function between($str, $range)
+ {
+ if ( ! preg_match('/^\s?(\d+)\s?,\s?(\d+)\s?$/', $range))
+ {
+ return FALSE;
+ }
+
+ list($range_start, $range_end) = array_map('intval', explode(',', $range));
+
+ return is_numeric($str) ? ($str >= $range_start && $str <= $range_end) : FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* 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 2b7780f..9776d73 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -962,6 +962,7 @@
not numeric.
**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]
**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