xdstack

function genRandomString() {

    // 验证码的长度
    $length = 10;

    // 验证码包含的字符
    $characters = ’0123456789abcdefghijklmnopqrstuvwxyz’;

    $string = '';
 

xdstack

// $file = "/folder/filename.ext";
function force_download($file) {
    // 截取文件扩展名
    $ext = explode(".", $file);
    switch($ext[sizeof($ext)-1]) {
        case 'jar': $mime = "application/java-archive"; break;
        case 'zip': $mime = "application/zip"; break;
        case 'jpeg': $mime = "image/jpeg"; break;
        case 'jpg': $mime = "image/jpg"; break;
        case 'jad': $mime = "text/vnd.sun.j2me.app-descriptor"; break;

xdstack

header("content-type:text/html;charset=utf-8");

//*
//文件头 [第一条索引的偏移量 (4byte)] + [最后一条索引的偏移地址 (4byte)]     8字节
//记录区 [结束ip (4byte)] + [地区1] + [地区2]                                4字节+不定长
//索引区 [开始ip (4byte)] + [指向记录区的偏移地址 (3byte)]                   7字节
//注意:使用之前请去网上下载纯真IP数据库,并改名为 "CoralWry.dat" 放到当前目录下即可.
//by 查询吧 www.query8.com
//*
class ipLocation {

xdstack

Function ClearHtml($content) {  
   $content = preg_replace("/<a[^>]*>/i", "", $content);  
   $content = preg_replace("/<\/a>/i", "", $content);   
   $content = preg_replace("/<div[^>]*>/i", "", $content);  
   $content = preg_replace("/<\/div>/i", "", $content);      
   $content = preg_replace("/<!--[^>]*-->/i", "", $content);//注释内容  
   $content = preg_replace("/style=.+?['|\"]/i",'',$content);//去除样式  
   $content = preg_replace("/class=.+?['|\"]/i",'',$content);//去除样式  
   $content = preg_replace("/id=.+?['|\"]/i",'',$content);//去除样式     
   $content = preg_replace("/lang=.+?['|\"]/i",'',$content);//去除样式      

xdstack

function isbn_sum($isbn, $len)
{
/*
 * 该函数用于计算ISBN加权和
 * 参数说明：
 *   $isbn : isbn码
 *   $len  : isbn码长度
 */
    $sum = 0;
    if ($len == 10)

xdstack

$url = "代码库 (https://gist.github.com/wdd2007)";
$url = preg_replace("#http://([A-z0-9./-]+)#", '$0', $url);

xdstack

$d=array( 
array("a",-20319), 
array("ai",-20317), 
array("an",-20304), 
array("ang",-20295), 
array("ao",-20292), 
array("ba",-20283), 
array("bai",-20265), 
array("ban",-20257), 
array("bang",-20242), 

xdstack

<?php

/**
 * 中文编码集合类库
 *
 * 目前该类库可以实现，简体中文 <-> 繁体中文编码互换，简体中文、繁体中文 -> 拼音单向转换，
 * 简体中文、繁体中文 <-> UTF8 编码转换，简体中文、繁体中文 -> Unicode单向转换
 *
 * @作者         Hessian(solarischan@21cn.com)
 * @版本         1.5

xdstack

function hex2rgb( $colour ) {
        if ( $colour[0] == '#' ) {
                $colour = substr( $colour, 1 );
        }
        if ( strlen( $colour ) == 6 ) {
                list( $r, $g, $b ) = array( $colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5] );
        } elseif ( strlen( $colour ) == 3 ) {
                list( $r, $g, $b ) = array( $colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2] );
        } else {
                return false;

xdstack

/*
EXAMPLE: htmlmail('user@domain.com', 'Look ma, HTML e-mails','You just got <a href="http://www.yougotrickrolled.com/">Rick Rolled</a>');
NOTE: $headers is optional, but can be used to set From, CC, etc. 
*/
 
function htmlmail($to, $subject, $message, $headers = NULL)
{
        $mime_boundary = md5(time()); 
 
        $headers .= "\nMessage-ID: <" . time() . " TheSystem@{$_SERVER['SERVER_NAME']}>\n";