renren/web/source/system/sysinfo.ctrl.php

<?php
/**
 * [WeEngine System] Copyright (c) 2014 WE7.CC
 * WeEngine is NOT a free software, it under the license terms, visited http://www.we7.cc/ for more details.
 */
defined('IN_IA') or exit('Access Denied');

$_W['page']['title'] = '系统信息 - 系统管理';
$info = array();
$info['uid'] = $_W['uid'];
$info['account'] = $_W['account'] ? $_W['account']['name'] : '';
$info['os'] = php_uname();
$info['php'] = phpversion();
$info['sapi'] = $_SERVER['SERVER_SOFTWARE'];
$info['sapi'] = $info['sapi'] ? $info['sapi'] : php_sapi_name();
$size = 0;
$size = @ini_get('upload_max_filesize');
if($size) {
	$size = parse_size($size);
}
if($size > 0) {
	$ts = @ini_get('post_max_size'); 
	if($ts) {
		$ts = parse_size($size);
	}
	if($ts > 0) {
		$size = min($size, $ts);
	}
	$ts = @ini_get('memory_limit');
	if($ts) {
		$ts = parse_size($size);
	}
	if($ts > 0) {
		$size = min($size, $ts);
	}
}
if(empty($size)) {
	$size = '';
} else {
	$size = sizecount($size);
}
$info['limit'] = $size;

$sql = 'SELECT VERSION();';
$info['mysql']['version'] = pdo_fetchcolumn($sql);

$tables = pdo_fetchall("SHOW TABLE STATUS LIKE '".$_W['config']['db']['tablepre']."%'");
$size = 0;
foreach ($tables as &$table) {
	$size += $table['Data_length'] + $table['Index_length'];
}

if(empty($size)) {
	$size = '';
} else {
	$size = sizecount($size);
}
$info['mysql']['size'] = $size;
$info['attach']['url'] = $_W['attachurl'];

$path = IA_ROOT . '/' . $_W['config']['upload']['attachdir'];
$size = dir_size($path);
if(empty($size)) {
	$size = '';
} else {
	$size = sizecount($size);
}
$info['attach']['size'] = $size;

template('system/sysinfo');

function dir_size($dir) { 
	$size = 0;
	if(is_dir($dir)) {
		$handle = opendir($dir);
		while (false !== ($entry = readdir($handle))) { 
			if($entry != '.' && $entry != '..') { 
				if(is_dir("{$dir}/{$entry}")) { 
					$size += dir_size("{$dir}/{$entry}"); 
				} else { 
					$size += filesize("{$dir}/{$entry}"); 
				}
			}	
		}
		closedir($handle);
	}
	return $size;
}

function parse_size($str) {
	if(strtolower($str[strlen($str) -1]) == 'k') {
		return floatval($str) * 1024;
	}
	if(strtolower($str[strlen($str) -1]) == 'm') {
		return floatval($str) * 1048576;
	}
	if(strtolower($str[strlen($str) -1]) == 'g') {
		return floatval($str) * 1073741824;
	}
}