From: Arthur Richards <awjrichards@users.mediawiki.org>
Date: Wed, 29 Feb 2012 21:56:05 +0000 (+0000)
Subject: Added unsetVal() method as antithesis to setVal()
X-Git-Tag: 1.31.0-rc.0~24455
X-Git-Url: http://git.cyclocoop.org/%24href?a=commitdiff_plain;h=1c242d9690d9e23488545e6f259ee008fef2e179;p=lhc%2Fweb%2Fwiklou.git

Added unsetVal() method as antithesis to setVal()
---

diff --git a/includes/WebRequest.php b/includes/WebRequest.php
index 826ee0d041..facb82bb1f 100644
--- a/includes/WebRequest.php
+++ b/includes/WebRequest.php
@@ -379,6 +379,23 @@ class WebRequest {
 		return $ret;
 	}
 
+	
+	/**
+	 * Unset an arbitrary value from our get/post data.
+ 	 *
+	 * @param $key String: key name to use
+	 * @return Mixed: old value if one was present, null otherwise
+	 */
+	public function unsetVal( $key ) {
+		if ( !isset( $this->data[$key] ) ) {
+			$ret = null;
+		} else {
+			$ret = $this->data[$key];
+			unset( $this->data[$key] );
+		}
+		return $ret;
+	}
+
 	/**
 	 * Fetch an array from the input or return $default if it's not set.
 	 * If source was scalar, will return an array with a single element.