<?php
+/**
+ * Expansion of the PHP execution time limit feature for a function call.
+ *
+ * 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 expand PHP execution time for a function call.
+ * Use this when performing changes that should not be interrupted.
+ *
* On construction, set_time_limit() is called and set to $seconds.
+ * If the client aborts the connection, PHP will continue to run.
* When the object goes out of scope, the timer is restarted, with
* the original time limit minus the time the object existed.
*/
class ScopedPHPTimeout {
protected $startTime; // float; seconds
protected $oldTimeout; // integer; seconds
+ protected $oldIgnoreAbort; // boolean
protected static $stackDepth = 0; // integer
protected static $totalCalls = 0; // integer
} elseif ( self::$stackDepth > 0 ) { // recursion guard
trigger_error( "Resursive invocation of " . __CLASS__ . " attempted." );
} else {
+ $this->oldIgnoreAbort = ignore_user_abort( true );
$this->oldTimeout = ini_set( 'max_execution_time', $seconds );
$this->startTime = microtime( true );
++self::$stackDepth;
// take some measures to prevent this. Track total time and calls.
self::$totalElapsed += $elapsed;
--self::$stackDepth;
+ ignore_user_abort( $this->oldIgnoreAbort );
}
}
}