• ob_start,ob_clean
<?php if( $_GET['time'] AND $_SESSION['time'] AND $_SESSION['bffr'] AND $_GET['time']==$_SESSION['time'] ) { echo $_SESSION['bffr']; exit(); } ob_start(); ?> <a href='<?php echo '&time='.time(); ?>'>A</a> <?php $_SESSION['bffr'] = ob_get ...
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