From 9f9af60e2d852177403a941ad876718161ba1375 Mon Sep 17 00:00:00 2001
From: Greg Aker <greg.aker@ellislab.com>
Date: Wed, 10 Nov 2010 15:41:51 -0600
Subject: Altered Form_Validation library to allow for method chaining on
 set_rules(), set_message() and set_error_delimiters() functions.

---
 system/libraries/Form_validation.php | 12 +++++++++---
 user_guide/changelog.html            |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index d62071b79..bf3689058 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -77,7 +77,7 @@ class CI_Form_validation {
 		// No reason to set rules if we have no POST data
 		if (count($_POST) == 0)
 		{
-			return;
+			return $this;
 		}
 
 		// If an array was passed via the first parameter instead of indidual string
@@ -98,13 +98,13 @@ class CI_Form_validation {
 				// Here we go!
 				$this->set_rules($row['field'], $label, $row['rules']);
 			}
-			return;
+			return $this;
 		}
 
 		// No fields? Nothing to do...
 		if ( ! is_string($field) OR  ! is_string($rules) OR $field == '')
 		{
-			return;
+			return $this;
 		}
 
 		// If the field label wasn't passed we use the field name
@@ -146,6 +146,8 @@ class CI_Form_validation {
 											'postdata'			=> NULL,
 											'error'				=> ''
 											);
+
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -169,6 +171,8 @@ class CI_Form_validation {
 		}
 
 		$this->_error_messages = array_merge($this->_error_messages, $lang);
+		
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -187,6 +191,8 @@ class CI_Form_validation {
 	{
 		$this->_error_prefix = $prefix;
 		$this->_error_suffix = $suffix;
+		
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 4b6078a5a..fbfab43aa 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -106,6 +106,7 @@ Hg Tag: </p>
 			<li>Changed the default encryption mode in the Encryption library to CBC.</li>
 			<li>Added an <kbd>encode_from_legacy()</kbd> method to provide a way to transition encrypted data from CodeIgniter 1.x to CodeIgniter 2.x.
 				Please see the <a href="./installation/upgrade_200.html">upgrade instructions</a> for details.</li>
+			<li>Altered Form_Validation library to allow for method chaining on <kbd>set_rules()</kbd>, <kbd>set_message()</kbd> and <kbd>set_error_delimiters()</kbd> functions.</li>
 		</ul>
 	</li>
 	<li>Database
-- 
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