745 lines
24 KiB
PHP
745 lines
24 KiB
PHP
<?php
|
||
/**
|
||
* ZenTaoPHP的baseHelper类。
|
||
* The baseHelper class file of ZenTaoPHP framework.
|
||
*
|
||
* @package framework
|
||
*
|
||
* The author disclaims copyright to this source code. In place of
|
||
* a legal notice, here is a blessing:
|
||
*
|
||
* May you do good and not evil.
|
||
* May you find forgiveness for yourself and forgive others.
|
||
* May you share freely, never taking more than you give.
|
||
*/
|
||
class baseHelper
|
||
{
|
||
/**
|
||
* 设置一个对象的成员变量。
|
||
* Set the member's value of one object.
|
||
* <code>
|
||
* <?php
|
||
* $lang->db->user = 'wwccss';
|
||
* helper::setMember('lang', 'db.user', 'chunsheng.wang');
|
||
* ?>
|
||
* </code>
|
||
* @param string $objName the var name of the object.
|
||
* @param string $key the key of the member, can be parent.child.
|
||
* @param mixed $value the value to be set.
|
||
* @static
|
||
* @access public
|
||
* @return bool
|
||
*/
|
||
static public function setMember($objName, $key, $value)
|
||
{
|
||
global $$objName;
|
||
if(!is_object($$objName) or empty($key)) return false;
|
||
$key = str_replace('.', '->', $key);
|
||
$value = serialize($value);
|
||
$code = ("\$${objName}->{$key}=unserialize(<<<EOT\n$value\nEOT\n);");
|
||
eval($code);
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 生成一个模块方法的链接。control类的createLink实际上调用的是这个方法。
|
||
* Create a link to a module's method, mapped in control class to call conveniently.
|
||
*
|
||
* <code>
|
||
* <?php
|
||
* helper::createLink('hello', 'index', 'var1=value1&var2=value2');
|
||
* helper::createLink('hello', 'index', array('var1' => 'value1', 'var2' => 'value2');
|
||
* ?>
|
||
* </code>
|
||
* @param string $moduleName module name, can pass appName like app.module.
|
||
* @param string $methodName method name
|
||
* @param string|array $vars the params passed to the method, can be array('key' => 'value') or key1=value1&key2=value2) or key1=value1&key2=value2
|
||
* @param string $viewType the view type
|
||
* @param bool $onlyBody pass onlyBody=yes to the link thus the app can control the header and footer hide or show..
|
||
* @static
|
||
* @access public
|
||
* @return string the link string.
|
||
*/
|
||
static public function createLink($moduleName, $methodName = 'index', $vars = '', $viewType = '', $onlyBody = false)
|
||
{
|
||
/* 设置$appName和$moduleName。Set appName and moduleName. */
|
||
global $app, $config;
|
||
if(strpos($moduleName, '.') !== false)
|
||
{
|
||
list($appName, $moduleName) = explode('.', $moduleName);
|
||
}
|
||
else
|
||
{
|
||
$appName = $app->getAppName();
|
||
}
|
||
if(!empty($appName)) $appName .= '/';
|
||
|
||
/* 处理$viewType和$vars。Set $viewType and $vars. */
|
||
if(empty($viewType)) $viewType = $app->getViewType();
|
||
if(!is_array($vars)) parse_str($vars, $vars);
|
||
|
||
/* 生成url链接的开始部分。Set the begin parts of the link. */
|
||
if($config->requestType == 'PATH_INFO') $link = $config->webRoot . $appName;
|
||
if($config->requestType != 'PATH_INFO') $link = $config->webRoot . $appName . basename($_SERVER['SCRIPT_NAME']);
|
||
if($config->requestType == 'PATH_INFO2') $link .= '/';
|
||
|
||
/**
|
||
* #1: RequestType为GET。When the requestType is GET.
|
||
* Input: moduleName=article&methodName=index&var1=value1. Output: ?m=article&f=index&var1=value1.
|
||
*
|
||
*/
|
||
if($config->requestType == 'GET')
|
||
{
|
||
$link .= "?{$config->moduleVar}=$moduleName&{$config->methodVar}=$methodName";
|
||
if($viewType != 'html') $link .= "&{$config->viewVar}=" . $viewType;
|
||
foreach($vars as $key => $value) $link .= "&$key=$value";
|
||
return self::processOnlyBodyParam($link, $onlyBody);
|
||
}
|
||
|
||
/**
|
||
* #2: 方法名不是默认值或者是默认值,但有传参。MethodName equals the default method or vars not empty.
|
||
* Input: moduleName=article&methodName=view. Output: article-view.html
|
||
* Input: moduleName=article&methodName=view. Output: article-index-abc.html
|
||
*
|
||
*/
|
||
if($methodName != $config->default->method or !empty($vars))
|
||
{
|
||
$link .= "$moduleName{$config->requestFix}$methodName";
|
||
foreach($vars as $value) $link .= "{$config->requestFix}$value";
|
||
$link .= '.' . $viewType;
|
||
|
||
return self::processOnlyBodyParam($link, $onlyBody);
|
||
}
|
||
|
||
/**
|
||
* #3: 方法名为默认值且没有传参且模块名为默认值。MethodName is the default and moduleName is default and vars empty.
|
||
* Input: moduleName=index&methodName=index. Output: index.html
|
||
*
|
||
*/
|
||
if($moduleName == $config->default->module)
|
||
{
|
||
$link .= $config->default->method . '.' . $viewType;
|
||
return self::processOnlyBodyParam($link, $onlyBody);
|
||
}
|
||
|
||
/**
|
||
* #4: 方法名为默认值且没有传参且模块名不为默认值,viewType和app指定的相等。MethodName is default but moduleName not and viewType equal app's viewType..
|
||
* Input: moduleName=article&methodName=index&viewType=html. Output: /article/
|
||
*
|
||
*/
|
||
if($viewType == $app->getViewType())
|
||
{
|
||
$link .= $moduleName . '/';
|
||
return self::processOnlyBodyParam($link, $onlyBody);
|
||
}
|
||
|
||
/**
|
||
* #5: 方法名为默认值且没有传参且模块名不为默认值,viewType有另外指定。MethodName is default but moduleName not and viewType no equls app's viewType.
|
||
* Input: moduleName=article&methodName=index&viewType=json. Output: /article.json
|
||
*
|
||
*/
|
||
$link .= $moduleName . '.' . $viewType;
|
||
return self::processOnlyBodyParam($link, $onlyBody);
|
||
}
|
||
|
||
/**
|
||
* 处理onlyBody 参数。
|
||
* Process the onlyBody param in url.
|
||
*
|
||
* 如果传参的时候设定了$onlyBody为真,或者当前页面请求中包含了onlybody=yes,在生成链接的时候继续追加。
|
||
* If $onlyBody set to true or onlybody=yes in the url, append onlyBody param to the link.
|
||
*
|
||
* @param string $link
|
||
* @param bool $onlyBody
|
||
* @static
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
public static function processOnlyBodyParam($link, $onlyBody = false)
|
||
{
|
||
global $config;
|
||
if(!$onlyBody and !self::inOnlyBodyMode()) return $link;
|
||
$onlybodyString = $config->requestType != 'GET' ? "?onlybody=yes" : "&onlybody=yes";
|
||
return $link . $onlybodyString;
|
||
}
|
||
|
||
/**
|
||
* 检查是否是onlybody模式。
|
||
* Check in only body mode or not.
|
||
*
|
||
* @access public
|
||
* @return void
|
||
*/
|
||
public static function inOnlyBodyMode()
|
||
{
|
||
return (isset($_GET['onlybody']) and $_GET['onlybody'] == 'yes');
|
||
}
|
||
|
||
/**
|
||
* 使用helper::import()来引入文件,不要直接使用include或者require.
|
||
* Using helper::import() to import a file, instead of include or require.
|
||
*
|
||
* @param string $file the file to be imported.
|
||
* @static
|
||
* @access public
|
||
* @return bool
|
||
*/
|
||
static public function import($file)
|
||
{
|
||
$file = realpath($file);
|
||
if(!is_file($file)) return false;
|
||
|
||
static $includedFiles = array();
|
||
if(!isset($includedFiles[$file]))
|
||
{
|
||
include $file;
|
||
$includedFiles[$file] = true;
|
||
return true;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 将数组或者列表转化成 IN( 'a', 'b') 的形式。
|
||
* Convert a list to IN('a', 'b') string.
|
||
*
|
||
* @param string|array $idList 列表,可以是数组或者用逗号隔开的列表。The id lists, can be a array or a string joined with comma.
|
||
* @static
|
||
* @access public
|
||
* @return string the string like IN('a', 'b').
|
||
*/
|
||
static public function dbIN($idList)
|
||
{
|
||
if(is_array($idList))
|
||
{
|
||
foreach ($idList as $key=>$value) $idList[$key] = addslashes($value);
|
||
return "IN ('" . join("','", $idList) . "')";
|
||
}
|
||
$idList = addslashes($idList);
|
||
return "IN ('" . str_replace(',', "','", str_replace(' ', '', $idList)) . "')";
|
||
}
|
||
|
||
/**
|
||
* 安全的Base64编码,框架对'/'字符比较敏感,转换为'.'。
|
||
* Create safe base64 encoded string for the framework.
|
||
*
|
||
* @param string $string the string to encode.
|
||
* @static
|
||
* @access public
|
||
* @return string encoded string.
|
||
*/
|
||
static public function safe64Encode($string)
|
||
{
|
||
return strtr(base64_encode($string), '/', '.');
|
||
}
|
||
|
||
/**
|
||
* 解码base64,先将之前的'.' 转换回'/'
|
||
* Decode the string encoded by safe64Encode.
|
||
*
|
||
* @param string $string the string to decode
|
||
* @static
|
||
* @access public
|
||
* @return string decoded string.
|
||
*/
|
||
static public function safe64Decode($string)
|
||
{
|
||
return base64_decode(strtr($string, '.', '/'));
|
||
}
|
||
|
||
/**
|
||
* JSON编码,自动处理转义的问题。
|
||
* JSON encode, process the slashes.
|
||
*
|
||
* @param mixed $data the object to encode
|
||
* @static
|
||
* @access public
|
||
* @return string decoded string.
|
||
*/
|
||
static public function jsonEncode($data)
|
||
{
|
||
return json_encode($data);
|
||
}
|
||
|
||
/**
|
||
* 判断是否是utf8编码
|
||
* Judge a string is utf-8 or not.
|
||
*
|
||
* @author hmdker@gmail.com
|
||
* @param string $string
|
||
* @see http://php.net/manual/en/function.mb-detect-encoding.php
|
||
* @static
|
||
* @access public
|
||
* @return bool
|
||
*/
|
||
static public function isUTF8($string)
|
||
{
|
||
$c = 0;
|
||
$b = 0;
|
||
$bits = 0;
|
||
$len = strlen($string);
|
||
for($i=0; $i<$len; $i++)
|
||
{
|
||
$c = ord($string[$i]);
|
||
if($c > 128)
|
||
{
|
||
if(($c >= 254)) return false;
|
||
elseif($c >= 252) $bits=6;
|
||
elseif($c >= 248) $bits=5;
|
||
elseif($c >= 240) $bits=4;
|
||
elseif($c >= 224) $bits=3;
|
||
elseif($c >= 192) $bits=2;
|
||
else return false;
|
||
if(($i+$bits) > $len) return false;
|
||
while($bits > 1)
|
||
{
|
||
$i++;
|
||
$b=ord($string[$i]);
|
||
if($b < 128 || $b > 191) return false;
|
||
$bits--;
|
||
}
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 去掉UTF-8 Bom头。
|
||
* Remove UTF-8 Bom.
|
||
*
|
||
* @param string $string
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
public static function removeUTF8Bom($string)
|
||
{
|
||
if(substr($string, 0, 3) == pack('CCC', 239, 187, 191)) return substr($string, 3);
|
||
return $string;
|
||
}
|
||
|
||
/**
|
||
* 增强substr方法:支持多字节语言,比如中文。
|
||
* Enhanced substr version: support multibyte languages like Chinese.
|
||
*
|
||
* @param string $string
|
||
* @param int $length
|
||
* @param string $append
|
||
* @return string
|
||
*/
|
||
public static function substr($string, $length, $append = '')
|
||
{
|
||
$rawString = $string;
|
||
|
||
if(function_exists('mb_substr')) $string = mb_substr($string, 0, $length, 'utf-8');
|
||
|
||
preg_match_all("/./su", $string, $data);
|
||
$string = join("", array_slice($data[0], 0, $length));
|
||
|
||
return ($string != $rawString) ? $string . $append : $string;
|
||
}
|
||
|
||
/**
|
||
* Get browser name and version.
|
||
*
|
||
* @access public
|
||
* @return array
|
||
*/
|
||
public static function getBrowser()
|
||
{
|
||
$browser = array('name'=>'unknown', 'version'=>'unknown');
|
||
|
||
if(empty($_SERVER['HTTP_USER_AGENT'])) return $browser;
|
||
|
||
$agent = $_SERVER["HTTP_USER_AGENT"];
|
||
|
||
/* Chrome should checked before safari.*/
|
||
if(strpos($agent, 'Firefox') !== false) $browser['name'] = "firefox";
|
||
if(strpos($agent, 'Opera') !== false) $browser['name'] = 'opera';
|
||
if(strpos($agent, 'Safari') !== false) $browser['name'] = 'safari';
|
||
if(strpos($agent, 'Chrome') !== false) $browser['name'] = "chrome";
|
||
|
||
// Check the name of browser
|
||
if(strpos($agent, 'MSIE') !== false || strpos($agent, 'rv:11.0')) $browser['name'] = 'ie';
|
||
if(strpos($agent, 'Edge') !== false) $browser['name'] = 'edge';
|
||
|
||
// Check the version of browser
|
||
if(preg_match('/MSIE\s(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
if(preg_match('/FireFox\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
if(preg_match('/Opera[\s|\/](\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
if(preg_match('/Chrome\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
|
||
if((strpos($agent, 'Chrome') == false) && preg_match('/Safari\/(\d+)\..*$/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
if(preg_match('/rv:(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
if(preg_match('/Edge\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
|
||
|
||
return $browser;
|
||
}
|
||
|
||
/**
|
||
* Get client os from agent info.
|
||
*
|
||
* @static
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
public static function getOS()
|
||
{
|
||
if(empty($_SERVER['HTTP_USER_AGENT'])) return 'unknow';
|
||
|
||
$osList = array();
|
||
$osList['/windows nt 10/i'] = 'Windows 10';
|
||
$osList['/windows nt 6.3/i'] = 'Windows 8.1';
|
||
$osList['/windows nt 6.2/i'] = 'Windows 8';
|
||
$osList['/windows nt 6.1/i'] = 'Windows 7';
|
||
$osList['/windows nt 6.0/i'] = 'Windows Vista';
|
||
$osList['/windows nt 5.2/i'] = 'Windows Server 2003/XP x64';
|
||
$osList['/windows nt 5.1/i'] = 'Windows XP';
|
||
$osList['/windows xp/i'] = 'Windows XP';
|
||
$osList['/windows nt 5.0/i'] = 'Windows 2000';
|
||
$osList['/windows me/i'] = 'Windows ME';
|
||
$osList['/win98/i'] = 'Windows 98';
|
||
$osList['/win95/i'] = 'Windows 95';
|
||
$osList['/win16/i'] = 'Windows 3.11';
|
||
$osList['/macintosh|mac os x/i'] = 'Mac OS X';
|
||
$osList['/mac_powerpc/i'] = 'Mac OS 9';
|
||
$osList['/linux/i'] = 'Linux';
|
||
$osList['/ubuntu/i'] = 'Ubuntu';
|
||
$osList['/iphone/i'] = 'iPhone';
|
||
$osList['/ipod/i'] = 'iPod';
|
||
$osList['/ipad/i'] = 'iPad';
|
||
$osList['/android/i'] = 'Android';
|
||
$osList['/blackberry/i'] = 'BlackBerry';
|
||
$osList['/webos/i'] = 'Mobile';
|
||
|
||
foreach ($osList as $regex => $value)
|
||
{
|
||
if(preg_match($regex, $_SERVER['HTTP_USER_AGENT'])) return $value;
|
||
}
|
||
|
||
return 'unknown';
|
||
}
|
||
|
||
/**
|
||
* 计算两个日期相差的天数,取整。
|
||
* Compute the diff days of two date.
|
||
*
|
||
* @param string $date1 the first date.
|
||
* @param string $date2 the sencond date.
|
||
* @access public
|
||
* @return int the diff of the two days.
|
||
*/
|
||
static public function diffDate($date1, $date2)
|
||
{
|
||
return round((strtotime($date1) - strtotime($date2)) / 86400, 0);
|
||
}
|
||
|
||
/**
|
||
* 获取当前时间,使用common语言文件定义的DT_DATETIME1常量。
|
||
* Get now time use the DT_DATETIME1 constant defined in the lang file.
|
||
*
|
||
* @access public
|
||
* @return datetime now
|
||
*/
|
||
static public function now()
|
||
{
|
||
return date(DT_DATETIME1);
|
||
}
|
||
|
||
/**
|
||
* 获取当前日期,使用common语言文件定义的DT_DATE1常量。
|
||
* Get today according to the DT_DATE1 constant defined in the lang file.
|
||
*
|
||
* @access public
|
||
* @return date today
|
||
*/
|
||
static public function today()
|
||
{
|
||
return date(DT_DATE1);
|
||
}
|
||
|
||
/**
|
||
* 获取当前日期,使用common语言文件定义的DT_TIME1常量。
|
||
* Get now time use the DT_TIME1 constant defined in the lang file.
|
||
*
|
||
* @access public
|
||
* @return date today
|
||
*/
|
||
static public function time()
|
||
{
|
||
return date(DT_TIME1);
|
||
}
|
||
|
||
/**
|
||
* 判断日期是不是零。
|
||
* Judge a date is zero or not.
|
||
*
|
||
* @access public
|
||
* @return bool
|
||
*/
|
||
static public function isZeroDate($date)
|
||
{
|
||
return substr($date, 0, 4) == '0000';
|
||
}
|
||
|
||
/**
|
||
* 列出目录中符合该正则表达式的文件。
|
||
* Get files match the pattern under a directory.
|
||
*
|
||
* @access public
|
||
* @return array the files match the pattern
|
||
*/
|
||
static public function ls($dir, $pattern = '')
|
||
{
|
||
if(empty($dir)) return array();
|
||
|
||
$files = array();
|
||
$dir = realpath($dir);
|
||
if(is_dir($dir)) $files = glob($dir . DIRECTORY_SEPARATOR . '*' . $pattern);
|
||
return empty($files) ? array() : $files;
|
||
}
|
||
|
||
/**
|
||
* 切换目录。第一次调用的时候记录当前的路径,再次调用的时候切换回之前的路径。
|
||
* Change directory: first call, save the $cwd, secend call, change to $cwd.
|
||
*
|
||
* @param string $path
|
||
* @static
|
||
* @access public
|
||
* @return void
|
||
*/
|
||
static function cd($path = '')
|
||
{
|
||
static $cwd = '';
|
||
if($path) $cwd = getcwd();
|
||
!empty($path) ? chdir($path) : chdir($cwd);
|
||
}
|
||
|
||
/**
|
||
* 通过域名获取站点代号。
|
||
* Get siteCode for a domain.
|
||
*
|
||
* www.xirang.com => xirang
|
||
* xirang.com => xirang
|
||
* xirang.com.cn => xirang
|
||
* xirang.cn => xirang
|
||
* xirang => xirang
|
||
*
|
||
* @param string $domain
|
||
* @return string $siteCode
|
||
**/
|
||
public static function parseSiteCode($domain)
|
||
{
|
||
global $config;
|
||
|
||
/* 去除域名中的端口部分。Remove the port part of the domain. */
|
||
if(strpos($domain, ':') !== false) $domain = substr($domain, 0, strpos($domain, ':'));
|
||
$domain = strtolower($domain);
|
||
|
||
/* $config里面有定义或者是localhost,直接返回。 Return directly if defined in $config or is localhost. */
|
||
if(isset($config->siteCodeList[$domain])) return $config->siteCodeList[$domain];
|
||
if($domain == 'localhost') return $domain;
|
||
|
||
/* 将域名中的-改为_。Replace '-' with '_' in the domain. */
|
||
$domain = str_replace('-', '_', $domain);
|
||
$items = explode('.', $domain);
|
||
|
||
/* 类似a.com的形式。 Domain like a.com. */
|
||
$postfix = str_replace($items[0] . '.', '', $domain);
|
||
if(isset($config->domainPostfix) and strpos($config->domainPostfix, "|$postfix|") !== false) return $items[0];
|
||
|
||
/* 类似www.a.com的形式。 Domain like www.a.com. */
|
||
$postfix = str_replace($items[0] . '.' . $items[1] . '.', '', $domain);
|
||
if(isset($config->domainPostfix) and strpos($config->domainPostfix, "|$postfix|") !== false) return $items[1];
|
||
|
||
/* 类似xxx.sub.a.com的形式。 Domain like xxx.sub.a.com. */
|
||
$postfix = str_replace($items[0] . '.' . $items[1] . '.' . $items[2] . '.', '', $domain);
|
||
if(isset($config->domainPostfix) and strpos($config->domainPostfix, "|$postfix|") !== false) return $items[0];
|
||
|
||
return '';
|
||
}
|
||
|
||
/**
|
||
* 检查是否是AJAX请求。
|
||
* Check is ajax request.
|
||
*
|
||
* @static
|
||
* @access public
|
||
* @return bool
|
||
*/
|
||
public static function isAjaxRequest()
|
||
{
|
||
if(isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') return true;
|
||
if(isset($_GET['HTTP_X_REQUESTED_WITH']) && $_GET['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') return true;
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* 301跳转。
|
||
* Header 301 Moved Permanently.
|
||
*
|
||
* @param string $locate
|
||
* @access public
|
||
* @return void
|
||
*/
|
||
public static function header301($locate)
|
||
{
|
||
header('HTTP/1.1 301 Moved Permanently');
|
||
die(header('Location:' . $locate));
|
||
}
|
||
|
||
/**
|
||
* 获取远程IP。
|
||
* Get remote ip.
|
||
*
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
public static function getRemoteIp()
|
||
{
|
||
$ip = '';
|
||
if(!empty($_SERVER["REMOTE_ADDR"])) $ip = $_SERVER["REMOTE_ADDR"];
|
||
if(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
|
||
if(!empty($_SERVER['HTTP_CLIENT_IP'])) $ip = $_SERVER['HTTP_CLIENT_IP'];
|
||
|
||
return $ip;
|
||
}
|
||
}
|
||
|
||
//------------------------------- 常用函数。Some tool functions.-------------------------------//
|
||
|
||
/**
|
||
* helper::createLink()的别名,方便创建本模块方法的链接。
|
||
* The short alias of helper::createLink() method to create link to control method of current module.
|
||
*
|
||
* @param string $methodName the method name
|
||
* @param string|array $vars the params passed to the method, can be array('key' => 'value') or key1=value1&key2=value2)
|
||
* @param string $viewType
|
||
* @return string the link string.
|
||
*/
|
||
function inLink($methodName = 'index', $vars = '', $viewType = '')
|
||
{
|
||
global $app;
|
||
return helper::createLink($app->getModuleName(), $methodName, $vars, $viewType);
|
||
}
|
||
|
||
/**
|
||
* 通过一个静态游标,可以遍历数组。
|
||
* Static cycle a array.
|
||
*
|
||
* @param array $items the array to be cycled.
|
||
* @return mixed
|
||
*/
|
||
function cycle($items)
|
||
{
|
||
static $i = 0;
|
||
if(!is_array($items)) $items = explode(',', $items);
|
||
if(!isset($items[$i])) $i = 0;
|
||
return $items[$i++];
|
||
}
|
||
|
||
/**
|
||
* 获取当前时间的Unix时间戳,精确到微妙。
|
||
* Get current microtime.
|
||
*
|
||
* @access public
|
||
* @return float current time.
|
||
*/
|
||
function getTime()
|
||
{
|
||
list($usec, $sec) = explode(" ", microtime());
|
||
return ((float)$usec + (float)$sec);
|
||
}
|
||
|
||
/**
|
||
* 打印变量的信息
|
||
* dump a var.
|
||
*
|
||
* @param mixed $var
|
||
* @access public
|
||
* @return void
|
||
*/
|
||
function a($var)
|
||
{
|
||
echo "<xmp class='a-left'>";
|
||
print_r($var);
|
||
echo "</xmp>";
|
||
}
|
||
|
||
/**
|
||
* 判断是否内外IP。
|
||
* Judge the server ip is local or not.
|
||
*
|
||
* @access public
|
||
* @return void
|
||
*/
|
||
function isLocalIP()
|
||
{
|
||
global $config;
|
||
if(isset($config->islocalIP)) return $config->isLocalIP;
|
||
$serverIP = $_SERVER['SERVER_ADDR'];
|
||
if($serverIP == '127.0.0.1') return true;
|
||
if(strpos($serverIP, '10.70') !== false) return false;
|
||
return !filter_var($serverIP, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE);
|
||
}
|
||
|
||
/**
|
||
* 获取webRoot。
|
||
* Get web root.
|
||
*
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
function getWebRoot($full = false)
|
||
{
|
||
$path = $_SERVER['SCRIPT_NAME'];
|
||
|
||
if(PHP_SAPI == 'cli')
|
||
{
|
||
if(isset($_SERVER['argv'][1]))
|
||
{
|
||
$url = parse_url($_SERVER['argv'][1]);
|
||
$path = empty($url['path']) ? '/' : rtrim($url['path'], '/');
|
||
}
|
||
$path = empty($path) ? '/' : preg_replace('/\/www$/', '/www/', $path);
|
||
}
|
||
|
||
if($full)
|
||
{
|
||
$http = (isset($_SERVER['HTTPS']) and strtolower($_SERVER['HTTPS']) != 'off') ? 'https://' : 'http://';
|
||
return $http . $_SERVER['HTTP_HOST'] . substr($path, 0, (strrpos($path, '/') + 1));
|
||
}
|
||
|
||
$path = substr($path, 0, (strrpos($path, '/') + 1));
|
||
$path = str_replace('\\', '/', $path);
|
||
return $path;
|
||
}
|
||
|
||
/**
|
||
* 当数组/对象变量$var存在$key项时,返回存在的对应值或设定值,否则返回$key或不存在的设定值。
|
||
* When the $var has the $key, return it, esle result one default value.
|
||
*
|
||
* @param array|object $var
|
||
* @param string|int $key
|
||
* @param mixed $valueWhenNone value when the key not exits.
|
||
* @param mixed $valueWhenExists value when the key exits.
|
||
* @access public
|
||
* @return string
|
||
*/
|
||
function zget($var, $key, $valueWhenNone = false, $valueWhenExists = false)
|
||
{
|
||
if(!is_array($var) and !is_object($var)) return false;
|
||
|
||
$type = is_array($var) ? 'array' : 'object';
|
||
$checkExists = $type == 'array' ? isset($var[$key]) : isset($var->$key);
|
||
|
||
if($checkExists)
|
||
{
|
||
if($valueWhenExists !== false) return $valueWhenExists;
|
||
return $type == 'array' ? $var[$key] : $var->$key;
|
||
}
|
||
|
||
if($valueWhenNone !== false) return $valueWhenNone;
|
||
return $key;
|
||
}
|