通過在Wordpress主題目錄下面的functions.php文件中添加函數可以顯示當前WOrdpress記憶體占用和負載的情況，可以更方便的管理wordpress的負載情況。
顯示效果：
總物理記憶體：
function memTotal() {
$str = @file("/proc/meminfo");
$str = implode("", $str);
preg_match_all("/MemTotal\s{0,}\:+\s{0,}([\d\.]+).+?MemFree\s{0,}\:+\s{0,}([\d\.]+).+?Cached\s{0,}\:+\s{0,}([\d\.]+).+?SwapTotal\s{0,}\:+\s{0,}([\d\.]+).+?SwapFree\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buf);
preg_match_all("/Buffers\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buffers);
$memTotal = round($buf[1][0]/1024, 2);
return $memTotal;
}
記憶體使用：
function memUsed() {
$str = @file("/proc/meminfo");
$str = implode("", $str);
preg_match_all("/MemTotal\s{0,}\:+\s{0,}([\d\.]+).+?MemFree\s{0,}\:+\s{0,}([\d\.]+).+?Cached\s{0,}\:+\s{0,}([\d\.]+).+?SwapTotal\s{0,}\:+\s{0,}([\d\.]+).+?SwapFree\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buf);
preg_match_all("/Buffers\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buffers);
$memTotal = round($buf[1][0]/1024, 2);
$memFree = round($buf[2][0]/1024, 2);
$memUsed = $memTotal-$memFree;
return $memUsed;
}
真實記憶體使用：
function memRealUsed() {
$str = @file("/proc/meminfo");
$str = implode("", $str);
preg_match_all("/MemTotal\s{0,}\:+\s{0,}([\d\.]+).+?MemFree\s{0,}\:+\s{0,}([\d\.]+).+?Cached\s{0,}\:+\s{0,}([\d\.]+).+?SwapTotal\s{0,}\:+\s{0,}([\d\.]+).+?SwapFree\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buf);
preg_match_all("/Buffers\s{0,}\:+\s{0,}([\d\.]+)/s", $str, $buffers);
$memTotal = round($buf[1][0]/1024, 2);
$memFree = round($buf[2][0]/1024, 2);
$memCached = round($buf[3][0]/1024, 2);
$memBuffers = round($buffers[1][0]/1024, 2);
$memRealUsed = $memTotal-$memFree-$memCached-$memBuffers;
return $memRealUsed;
}
系統負載：
function loadAvg() {
$str = @file(「/proc/loadavg」);
$str = explode(」 「, implode(「」, $str));
$str = array_chunk($str, 4);
$loadAvg = implode(」 「, $str[0]);
return $loadAvg;
}
函數引用方式示例：
echo memTotal(); // 總共物理記憶體
原创文章，作者：admin，如若转载，请注明出处：https://gov.com.sb/wordpress-top.html
