X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/maintenance/CodeCleanerGlobalsPass.inc

diff --git a/maintenance/CodeCleanerGlobalsPass.inc b/maintenance/CodeCleanerGlobalsPass.inc
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+<?php
+/**
+ * Psy CodeCleaner to allow PHP super globals.
+ *
+ * https://github.com/bobthecow/psysh/issues/353
+ *
+ * Copyright © 2017 Justin Hileman <justin@justinhileman.info>
+ *
+ * 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
+ * @ingroup Maintenance
+ *
+ * @author Justin Hileman <justin@justinhileman.info>
+ */
+
+/**
+ * Prefix the real command with a bunch of 'global $VAR;' commands, one for each global.
+ * This will make the shell behave as if it was running in the global scope (almost;
+ * variables created in the shell won't become global if no global variable by that name
+ * existed before).
+ */
+class CodeCleanerGlobalsPass extends \Psy\CodeCleaner\CodeCleanerPass {
+	private static $superglobals = [
+		'GLOBALS', '_SERVER', '_ENV', '_FILES', '_COOKIE', '_POST', '_GET', '_SESSION'
+	];
+
+	public function beforeTraverse( array $nodes ) {
+		$names = [];
+		foreach ( array_diff( array_keys( $GLOBALS ), self::$superglobals ) as $name ) {
+			array_push( $names, new \PhpParser\Node\Expr\Variable( $name ) );
+		}
+
+		array_unshift( $nodes, new \PhpParser\Node\Stmt\Global_( $names ) );
+
+		return $nodes;
+	}
+}