Determine execution time in PHP

<!– put this at the top of the page –> <?php $mtime = microtime(); $mtime = explode(” “,$mtime); $mtime = $mtime[1] + $mtime[0]; $starttime = $mtime; ;?> <!– put other code and html in here –> <!– put this code at the bottom of the page –> <?php $mtime = microtime(); $mtime = explode(” “,$mtime); …