Jason-cqtan

/**
 * The first commented line is your dabblet’s title
 */
 div{
 padding: 6px 16px;
border: 1px solid #446d88;
background: #58a linear-gradient(#77a0bb, #58a); border-radius: 4px;
box-shadow: 0 1px 5px gray;
color: white;
text-shadow: 0 -1px 1px #335166;

Jason-cqtan

Keybase proof

I hereby claim:

• I am acheng93 on github.
• I am 93jc (https://keybase.io/93jc) on keybase.
• I have a public key ASDvAC2QO5kABTe4RWFde3iC95vFltaN386dBaqBUbJgeQo

To claim this, I am signing this object:

Jason-cqtan

<?php
function RemoveXSS($val) {  
   // remove all non-printable characters. CR(0a) and LF(0b) and TAB(9) are allowed  
   // this prevents some character re-spacing such as <java\0script>  
   // note that you have to handle splits with \n, \r, and \t later since they *are* allowed in some inputs  
   $val = preg_replace('/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/', '', $val);  
     
   // straight replacements, the user should never need these since they're normal characters  
   // this prevents like <IMG SRC=@avascript:alert('XSS')>  
   $search = 'abcdefghijklmnopqrstuvwxyz'; 

Jason-cqtan

<?php
date_default_timezone_set('PRC');


/**
 * [时间戳转换成“刚刚”，“5分钟前”，“3小时前”等]
 * @param  [string] $time [时间戳]
 * @return [string]       
 */
function transfer_time($time)

Jason-cqtan

<?php
/**
 * 思路：先CURL获取图片到缓冲区，然后正则获取图片的Content-Length信息
 * [获取远程图片大小]
 * @param  [string] $uri  [远程图片地址]
 * @param  string $user [网页授权用户名]
 * @param  string $pw   [网页授权密码]
 * @return [string]       
 */
function remote_filesize($uri,$user='',$pw='')

Jason-cqtan

<?php
$array1 = array(
    0=>array('id'=>8,'name'=>'Apple','age'=> 18),
    1=>array('id'=>8,'name'=>'Bed','age'=>17),
    2=>array('id'=>5,'name'=>'Cos','age'=>16),
    3=>array('id'=>5,'name'=>'Cos','age'=>14)
);
function sortArrByManyField(){
    $args = func_get_args();
    if(empty($args)){

Jason-cqtan

<?php
function GetIP(){
        if (getenv("HTTP_CLIENT_IP") 
        && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
       $ip = getenv("HTTP_CLIENT_IP");
    else if (getenv("HTTP_X_FORWARDED_FOR") 
        && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
       $ip = getenv("HTTP_X_FORWARDED_FOR");
    else if (getenv("REMOTE_ADDR") 
        && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))

Jason-cqtan

<?php
//方法一、使用linux命令
file = 'access.log';
$file = escapeshellarg($file); // 对命令行参数进行安全转义
$line = `tail -n 1 $file`;
echo $line;

//方法二、使用php的fseek
//第一种：首先通过fseek找到文件的最后一位EOF，然后找最后一行的起始位置，取这一行的数据，再找次一行的起始位置，再取这一行的位置，依次类推，直到找到了$num行。
function tail($fp,$n,$base=5)

Jason-cqtan

<?php
//方法一
$password_length = 8;
    
function make_seed() {
    list($usec, $sec) = explode(' ', microtime());
    return (float) $sec + ((float) $usec * 100000);
}

srand(make_seed());

Jason-cqtan

<?php
session_start();
Header("Content-type: image/gif");

class SecurityCode
{
    private $codes = '';
    
    function __construct()
    {