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authorRaul Baldner Junior <raul_baldner_junior@hotmail.com>2012-10-11 16:32:23 +0200
committerRaul Baldner Junior <raul_baldner_junior@hotmail.com>2012-10-11 16:32:23 +0200
commitf38564d739455f46eb38bcbfaa8e255d0a50defe (patch)
treee9c4f937c31cc19200b055808edd6409acea21bc /system/libraries
parent06e9d1d7a4c979a43f9f8fa437526b6c7a547cec (diff)
New form_validation rule: 'differs'
Added new validation rule 'differs'. It checks if the value of a field differs from the value of another field.
Diffstat (limited to 'system/libraries')
-rw-r--r--system/libraries/Form_validation.php13
1 files changed, 13 insertions, 0 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index fccc12afa..6db5bb495 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -971,6 +971,19 @@ class CI_Form_validation {
// --------------------------------------------------------------------
/**
+ * Differs from another field
+ *
+ * @param string
+ * @param string field
+ * @return bool
+ */
+ public function differs($str, $field)
+ {
+ return ! (isset($this->_field_data[$field]) && $this->_field_data[$field]['postdata'] === $str);
+ }
+
+ // --------------------------------------------------------------------
+ /**
* Is Unique
*
* Check if the input value doesn't already exist