PHP 性能监测

执行时间，内存消耗

function tmpMicrotimeMemory($desc) {
    global $_G;
    $nowMicrotime = microtime(true);
    if(!isset($_G['startMicrotime'])) {
        $_G['startMicrotime'] = $nowMicrotime;
    }
    
    
    echo $desc . '运行时间： ' . ($nowMicrotime - $_G['startMicrotime']);
    echo "<br>";
    echo '内存消耗 ' . memory_get_usage();
    echo "<br>";
    $_G['startMicrotime'] = $nowMicrotime;
}

function proStartTime() {

$mtime1 = explode(" ", microtime());
$startTime = $mtime1[1] + $mtime1[0];
return $startTime;
}

function proEndTime($startTime, $intro) {
$mtime2 = explode(" ", microtime());
$endtime = $mtime2[1] + $mtime2[0];
$totaltime = ($endtime - $startTime);
$totaltime = number_format($totaltime, 7);
echo $intro . " process time: ".$totaltime . '<br/>';
}