php检测服务器系统信息[可以查CPU]

function sys_linux() {
 // CPU
 if (false === ($str = @file("/proc/cpuinfo"))) return false;
 $str = implode("", $str);
 @preg_match_all("/models+names{0,}:+s{0,}([ws)(@.]+)([rn]+)/s", $str, $model);
 @preg_match_all("/caches+sizes{0,}:+s{0,}([d.]+s{0,}[A-Z]+[rn]+)/", $str, $cache);
 if (false !== is_array($model[1])) {
  $res['cpu']['num'] = sizeof($model[1]);
  for($i = 0; $i < $res['cpu']['num']; $i++) {
   $res['cpu']['model'][] = $model[1][$i];
   $res['cpu']['cache'][] = $cache[1][$i];
  }
  if (false !== is_array($res['cpu']['model'])) $res['cpu']['model'] = implode("<br />", $res['cpu']['model']);
  if (false !== is_array($res['cpu']['cache'])) $res['cpu']['cache'] = implode("<br />", $res['cpu']['cache']);
 }

 // UPTIME
 if (false === ($str = @file("/proc/uptime"))) return false;
 $str = explode(" ", implode("", $str));
 $str = trim($str[0]);
 $min = $str / 60;
 $hours = $min / 60;
 $days = floor($hours / 24);
 $hours = floor($hours - ($days * 24));
 $min = floor($min - ($days * 60 * 24) - ($hours * 60));
 if ($days !== 0) $res['uptime'] = $days."天";
 if ($hours !== 0) $res['uptime'] .= $hours."小时";
 $res['uptime'] .= $min."分钟";

 // MEMORY
 if (false === ($str = @file("/proc/meminfo"))) return false;
 $str = implode("", $str);
 preg_match_all("/MemTotals{0,}:+s{0,}([d.]+).+?MemFrees{0,}:+s{0,}([d.]+).+?SwapTotals{0,}:+s{0,}([d.]+).+?SwapFrees{0,}:+s{0,}([d.]+)/s", $str, $buf);

 $res['memTotal'] = round($buf[1][0]/1024, 2);
 $res['memFree'] = round($buf[2][0]/1024, 2);
 $res['memUsed'] = ($res['memTotal']-$res['memFree']);
 $res['memPercent'] = (floatval($res['memTotal'])!=0)?round($res['memUsed']/$res['memTotal']*100,2):0;

 $res['swapTotal'] = round($buf[3][0]/1024, 2);
 $res['swapFree'] = round($buf[4][0]/1024, 2);
 $res['swapUsed'] = ($res['swapTotal']-$res['swapFree']);
 $res['swapPercent'] = (floatval($res['swapTotal'])!=0)?round($res['swapUsed']/$res['swapTotal']*100,2):0;

 // LOAD AVG
 if (false === ($str = @file("/proc/loadavg"))) return false;
 $str = explode(" ", implode("", $str));
 $str = array_chunk($str, 4);
 $res['loadAvg'] = implode(" ", $str[0]);

 return $res;}

function sys_freebsd() {
 //CPU
 if (false === ($res['cpu']['num'] = get_key("hw.ncpu"))) return false;
 $res['cpu']['model'] = get_key("hw.model");

 //LOAD AVG
 if (false === ($res['loadAvg'] = get_key("vm.loadavg"))) return false;

 //UPTIME
 if (false === ($buf = get_key("kern.boottime"))) return false;
 $buf = explode(' ', $buf);
 $sys_ticks = time() - intval($buf[3]);
 $min = $sys_ticks / 60;
 $hours = $min / 60;
 $days = floor($hours / 24);
 $hours = floor($hours - ($days * 24));
 $min = floor($min - ($days * 60 * 24) - ($hours * 60));
 if ($days !== 0) $res['uptime'] = $days."天";
 if ($hours !== 0) $res['uptime'] .= $hours."小时";
 $res['uptime'] .= $min."分钟";

 //MEMORY
 if (false === ($buf = get_key("hw.physmem"))) return false;
 $res['memTotal'] = round($buf/1024/1024, 2);
 $buf = explode("n", do_command("vmstat", ""));
 $buf = explode(" ", trim($buf[2]));

 $res['memFree'] = round($buf[5]/1024, 2);
 $res['memUsed'] = ($res['memTotal']-$res['memFree']);
 $res['memPercent'] = (floatval($res['memTotal'])!=0)?round($res['memUsed']/$res['memTotal']*100,2):0;

 $buf = explode("n", do_command("swapinfo", "-k"));
 $buf = $buf[1];
 preg_match_all("/([0-9]+)s+([0-9]+)s+([0-9]+)/", $buf, $bufArr);
 $res['swapTotal'] = round($bufArr[1][0]/1024, 2);
 $res['swapUsed'] = round($bufArr[2][0]/1024, 2);
 $res['swapFree'] = round($bufArr[3][0]/1024, 2);
 $res['swapPercent'] = (floatval($res['swapTotal'])!=0)?round($res['swapUsed']/$res['swapTotal']*100,2):0;

 return $res;
}

//取得参数值 FreeBSD
function get_key($keyName) {
 return do_command('sysctl', "-n $keyName");
}

//确定执行文件位置 FreeBSD
function find_command($commandName) {
 $path = array('/bin', '/sbin', '/usr/bin', '/usr/sbin', '/usr/local/bin', '/usr/local/sbin');
 foreach($path as $p) {
  if (@is_executable("$p/$commandName")) return "$p/$commandName";
 }
 return false;
}

//执行系统命令 FreeBSD
function do_command($commandName, $args) {
 $buffer = "";
 if (false === ($command = find_command($commandName))) return false;
 if ($fp = @popen("$command $args", 'r')) {
  while (!@feof($fp)){
   $buffer .= @fgets($fp, 4096);
  }
  return trim($buffer);
 }
 return false;
}

php检测服务器的运行能力

// 检测函数支持
function isfun($funName) {
 return (false !== function_exists($funName))?'支持':'<font color=red>不支持</font>';
}

//整数运算能力测试
function test_int() {
 $timeStart = gettimeofday();
 for($i = 0; $i < 3000000; $i++) {
  $t = 1+1;
 }
 $timeEnd = gettimeofday();
 $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"];
 $time = round($time, 3)."秒";
 return $time;
}

//浮点运算能力测试
function test_float() {
 //得到圆周率值
 $t = pi();
 $timeStart = gettimeofday();
 for($i = 0; $i < 3000000; $i++) {
  //开平方
  sqrt($t);
 }
 $timeEnd = gettimeofday();
 $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"];
 $time = round($time, 3)."秒";
 return $time;
}

//IO能力测试
function test_io() {
 $fp = @fopen(PHPSELF, "r");
 $timeStart = gettimeofday();
 for($i = 0; $i < 10000; $i++) {
  @fread($fp, 10240);
  @rewind($fp);
 }
 $timeEnd = gettimeofday();
 @fclose($fp);
 $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"];
 $time = round($time, 3)."秒";
 return($time);
}

php 生成xml代码class XMLParser {

 function getChildren($vals, &$i) {

  $children = array();
  if(isset($vals[$i]['value'])) {
   $children['VALUE'] = $vals[$i]['value'];
  }

  while(++$i < count($vals)) {
   switch($vals[$i]['type']) {

   case 'cdata':
    if(isset($children['VALUE'])) {
     $children['VALUE'] .= $vals[$i]['value'];
    } else {
     $children['VALUE'] = $vals[$i]['value'];
    }
    break;

   case 'complete':
    if(isset($vals[$i]['attributes'])) {
     $children[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
     $index = count($children[$vals[$i]['tag']]) - 1;

     if(isset($vals[$i]['value'])) {
      $children[$vals[$i]['tag']][$index]['VALUE'] = $vals[$i]['value'];
     } else {
      $children[$vals[$i]['tag']][$index]['VALUE'] = '';
     }
    } else {
     if(isset($vals[$i]['value'])) {
      $children[$vals[$i]['tag']][]['VALUE'] = $vals[$i]['value'];
     } else {
      $children[$vals[$i]['tag']][]['VALUE'] = '';
     }
    }
    break;

   case 'open':
    if(isset($vals[$i]['attributes'])) {
     $children[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
     $index = count($children[$vals[$i]['tag']]) - 1;
     $children[$vals[$i]['tag']][$index] = array_merge($children[$vals[$i]['tag']][$index], $this->getChildren($vals, $i));
    } else {
     $children[$vals[$i]['tag']][] = $this->GetChildren($vals, $i);
    }
    break;

   case 'close':
    return $children;
   }
  }
 }

 function getXMLTree($data) {

  $parser = xml_parser_create('UTF-8');
  xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 0);
  xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
  xml_parse_into_struct($parser, $data, $vals, $index);
  xml_parser_free($parser);

  $tree = array();
  $i = 0;

  if(isset($vals[$i]['attributes'])) {
   $tree[$vals[$i]['tag']][]['ATTRIBUTES'] = $vals[$i]['attributes'];
   $index = count($tree[$vals[$i]['tag']]) - 1;
   $tree[$vals[$i]['tag']][$index] =  array_merge($tree[$vals[$i]['tag']][$index], $this->getChildren($vals, $i));
  } else {
   $tree[$vals[$i]['tag']][] = $this->getChildren($vals, $i);
  }
  return $tree;
 }
}

用户权限管理代码

define('PATTERN_MODE_INT',                1);
define('PATTERN_MODE_STRING',        2);

function bitToArray($data, $ruleArr, $mode = PATTERN_MODE_INT)
{
        $varData = array();

        if($mode == PATTERN_MODE_INT)
        {
                $usedBit = 0;
               
                for($i = 0; $i < Count($ruleArr); $i++)
                {
                        if($ruleArr[$i] <= 0 ) continue;
                        $turnData = pow(2, $ruleArr[$i]) - 1 << $usedBit & $data;
                        $varData[$i] = $turnData >> $usedBit;

                        $usedBit += $ruleArr[$i];
                }
        }
        else
        {
                for($i = 0, $cnt = Count($ruleArr); $i < $cnt; $i++)
                {
                        $varData[$i] = substr($data, $i, $ruleArr[$i]);
                }
        }

        return $varData;
}

function arrayToBit($data, $ruleArr, $mode = PATTERN_MODE_INT)
{
        $rslt = '';

        if($mode == PATTERN_MODE_INT)
        {
                $usedBit        = 0;
                $rslt                = 0;
               
                for($i = 0; $i < Count($ruleArr); $i++)
                {
                        if($ruleArr[$i] <= 0 ) continue;

                        if(!$data[$i]) $data[$i] = 0;

            $rslt |= $data[$i] << $usedBit;

                        $usedBit += $ruleArr[$i];
                }
        }
        else
        {
                for($i = 0, $cnt = Count($ruleArr); $i < $cnt; $i++)
                {
                        $rslt .= sprintf('%0' . $ruleArr[$i] . 's', $data[$i]);
                }
        }
       
        return $rslt;
}