MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / vendor / mediawiki / at-ease / src / Functions.php

diff --git a/vendor/mediawiki/at-ease/src/Functions.php b/vendor/mediawiki/at-ease/src/Functions.php
new file mode 100644 (file)
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+++ b/vendor/mediawiki/at-ease/src/Functions.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * 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
+ */
+
+namespace MediaWiki;
+
+/**
+ * Reference-counted warning suppression
+ *
+ * @param bool $end
+ */
+function suppressWarnings( $end = false ) {
+       static $suppressCount = 0;
+       static $originalLevel = false;
+
+       if ( $end ) {
+               if ( $suppressCount ) {
+                       --$suppressCount;
+                       if ( !$suppressCount ) {
+                               error_reporting( $originalLevel );
+                       }
+               }
+       } else {
+               if ( !$suppressCount ) {
+                       $originalLevel = error_reporting( E_ALL & ~(
+                                       E_WARNING |
+                                       E_NOTICE |
+                                       E_USER_WARNING |
+                                       E_USER_NOTICE |
+                                       E_DEPRECATED |
+                                       E_USER_DEPRECATED |
+                                       E_STRICT
+                               ) );
+               }
+               ++$suppressCount;
+       }
+}
+
+/**
+ * Restore error level to previous value
+ */
+function restoreWarnings() {
+       suppressWarnings( true );
+}
+
+
+/**
+ * Call the callback given by the first parameter, suppressing any warnings.
+ *
+ * @param callable $callback
+ * @return mixed
+ */
+function quietCall( $callback /*, parameters... */ ) {
+       $args = array_slice( func_get_args(), 1 );
+       suppressWarnings();
+       $rv = call_user_func_array( $callback, $args );
+       restoreWarnings();
+       return $rv;
+}