function trigger_all()
 {
     QMCV_IO::trigger_hooks();
     if (class_exists('QueryMonitor') && Check_Variables_Options::get_query_monitor() === true) {
         // Set Query Monitor Collector
         include_once QMCV_CLASS_DIR . 'query_monitor/collector.php';
         QMCV_Collector_Variable_Checking::initialize();
     }
 }
<table class="form-table">
	<tbody>
		<tr>
			<th scope="row"><label for="query_monitor">Query Monitor </label></th>
			<td>
				<label for="query_monitor">
					<input type="checkbox" id="query_monitor" name="query_monitor" <?php 
if (Check_Variables_Options::get_query_monitor() === true) {
    echo 'checked="checked"';
}
?>
 /> Enable Query Monitor
				</label>
			</td>
		</tr>

		<tr>
			<th scope="row"><label for="footer">Footer </label></th>
			<td>
				<label for="footer">
					<input type="checkbox" id="footer" name="footer" <?php 
if (Check_Variables_Options::get_footer() === true) {
    echo 'checked="checked"';
}
?>
 /> Enable Footer
				</label>
			</td>
		</tr>

		<tr>