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<?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;
}
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