网页加载时间

/**
 * 网页加载时间
 */
function timer_start() {
    global $timestart;
    $mtime     = explode( ' ', microtime() );
    $timestart = $mtime[1] + $mtime[0];

    return true;
}

timer_start();

function timer_stop( $display = 0, $precision = 3 ) {
    global $timestart, $timeend;
    $mtime     = explode( ' ', microtime() );
    $timeend   = $mtime[1] + $mtime[0];
    $timetotal = number_format( $timeend - $timestart, $precision );
    $r         = $timetotal < 1 ? $timetotal * 1000 . " ms" : $timetotal . " s";
    if ( $display ) {
        echo $r;
    }

    return $r;
}

调用方法：
本次加载耗时：<?php echo timer_stop();>

显示建站时间

/**
 * 建站时间
 */

function getBuildTime() {
// 在下面按格式输入本站创建的时间
    if ( empty( Helper::options()->createTime ) )
        $ct = '2016-12-23 13:59:00';
    else
        $ct = Helper::options()->createTime;

    $site_create_time = strtotime( $ct );
    $time             = time() - $site_create_time;
    $time             = floor( $time / 86400 );
    echo '<span class="time">' . '本站已运行 ' . $time . ' 天.' . '</span>';
}

调用方法：

<?php getBuildTime();>