1 files changed, 55 insertions, 0 deletions
diff --git a/includes/DeprecatedGlobal.php b/includes/DeprecatedGlobal.php
new file mode 100644
index 00000000..4d7b9689
--- /dev/null
+++ b/includes/DeprecatedGlobal.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Delayed loading of deprecated global objects.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Class to allow throwing wfDeprecated warnings
+ * when people use globals that we do not want them to.
+ * (For example like $wgArticle)
+ */
+
+class DeprecatedGlobal extends StubObject {
+        // The m's are to stay consistent with parent class.
+	protected $mRealValue, $mVersion;
+
+	function __construct( $name, $realValue, $version = false ) {
+		parent::__construct( $name );
+		$this->mRealValue = $realValue;
+		$this->mVersion = $version;
+	}
+
+	function _newObject() {
+		/* Put the caller offset for wfDeprecated as 6, as
+		 * that gives the function that uses this object, since:
+		 * 1 = this function ( _newObject )
+		 * 2 = StubObject::_unstub
+		 * 3 = StubObject::_call
+		 * 4 = StubObject::__call
+		 * 5 = DeprecatedGlobal::<method of global called>
+		 * 6 = Actual function using the global.
+		 * Of course its theoretically possible to have other call
+		 * sequences for this method, but that seems to be
+		 * rather unlikely.
+		 */
+		wfDeprecated( '$' . $this->mGlobal, $this->mVersion, false, 6 );
+		return $this->mRealValue;
+	}
+}