strcasecmp

function Get_client_ip () {if (getenv (' http_client_ip ') && strcasecmp (getenv (' http_client_ip '), ' unknown ')) {　　$ip = getenv (' http_client_ip '); } elseif (getenv (' http_x_forwarded_for ') && strcasecmp (getenv (' http_x_forwarded_for '), '

[Switch] Summary of super practical PHP functions and summary of practical php FunctionsOriginal article: http://www.codeceo.com/article/php-function.html1?php encryption and decryption The PHP encryption and decryption function can be used to

Summary and collation of super-practical PHP functions2014-12-06 Category: Web development, programming development, home essence of the No comment Source: Moonlight Light Blogshare to: more 81, PHP encryption and decryptionPHP encryption and

1. generate random string functionsFunction random ($ length ){$ Hash = '';$ Chars = 'abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxy ';$ Max = strlen ($ chars)-1;Mt_srand (double) microtime () * 1000000 );For ($ I = 0; $ I $ Hash. = $

This article mainly introduces how to share the php + curl sending Image Processing code. For more information, see This article mainly introduces how to share the php + curl sending Image Processing code. For more information, see // Upload

For example, if a piece of code I tested accesses an IP address query service, we can see that any forged IP address can be used! In a PHP project currently in progress, you need to verify whether the user's IP address is in the authorization scope.

PrefaceI wanted to see the question and go to bed directly. I saw that this question was just a question of Beihang's computer. At that time, there were very few people who made it. So I couldn't help but feel excited, I have to talk to one of my

Php judges ip blacklist program code instances This article mainly introduces php code examples for judging ip blacklist programs. For more information, see And supports Class c ip addresses. For

Show comments locationPut the following functions in your functions. phpThe implementation principle is to use the IP query interfaces of Sina and Taobao to return the city to which the IP belongs.Minor repairs the code, removes the mount point, and

Limit the IP voting program, can not use the web search for PHP to obtain the client IP code to obtain the client IP-reproduced the need to get a polling campaign needs to be done IP restrictions, each IP limit a certain chance of voting. I

Obtain the real IP address of a user The code is as follows:Copy code Function get_client_ip (){ If (getenv ("REMOTE_ADDR") & strcasecmp (getenv ("REMOTE_ADDR"), "unknown "))        { $ Onlineip = getenv ("REMOTE_ADDR ");Return $ onlineip;       

The code segment is found when I search for related solutions on the internet. The logic of the makePregIP function of this class is a bit problematic. I have modified it and can use it. This function allows access from IP addresses in the whitelist.

And supports Class c ip addresses. For example:Ip.txt192.168211.67.188211.67.191.25The code is as follows: The code is as follows:Copy code /** IP address blacklist and whitelist* The ip address of the visitor address is in ip.txt and supports

Today, I went to the blog of qingdou of youlink and found a button on his website that is currently online. It also showed the number of people online, so I couldn't resist the curiosity and moved the mouse over, A drop-down will automatically show

13 PHP functions are super practical and 13 PHP Functions 1. PHP encryption and decryption The PHP encryption and decryption function can be used to encrypt some useful strings and store them in the database. The function uses base64 and MD5

PHP access to client IP, simple and practical function Getonlineip () { $cip = getenv (' http_client_ip '); $XIP = getenv (' http_x_forwarded_for '); $rip = getenv (' remote_addr '); $srip = $_server [' REMOTE_ADDR ']; if ($cip && strcasecmp ($

Add the following code to the page where you want to prohibit access or submit a form.Note: Below is just an instance code that restricts IP to PHP, and if you intend to apply it to a CMS, modify it yourself.PHP/Add IP Access Restrictionsif(getenv('

This article analyses the restrictive IP voting program implemented by PHP. Share to everyone for your reference, specific as follows: Received a polling campaign needs to do IP restrictions, each IP limit a certain amount of voting opportunities.

Function:1, get the current IP address,2, call the Sina API to get to the current city.3, convert the Chinese to pinyin and then jump. Copy Code code as follows: Include './pinyin.php '; Get current IPfunction GetIP () {$onlineip = '

In this paper, several practical custom functions of PHP are summarized. Share to everyone for your reference, specific as follows: Looking at the code recently, I found the following are some of the more useful functions. 1, take the client IP