strcasecmp

Use the following code to prevent ip spoofing to obtain the client IP address: if (getenv (HTTP_CLIENT_IP) & amp; strcasecmp (getenv (HTTP_CLIENT_IP), unknown) {& nbsp; $ onlineipgetenv (HTTP_CLIENT_IP);} elseif (getenv if it prevents ip

[Chapter 1-buffer playback on the android platform] buffer play demo,-androidbuffer From the source code of various android versions released by google, android has implemented interfaces and Demos supporting buffer playback. After compiling the

Usually use more jquery image upload plugin is uploadify this plug-in, the effect is very good, but because the phone does not support Flash, so have to find a file upload plugin to use. Later found ajaxfileupload This plugin is very good, so use

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 (

Example 1 The code is as follows Copy Code //proxy IP directly exits empty ($_server[' Http_via ')) or exit (' Access Denied '); //Prevent quick Refresh Session_Start (); $seconds = ' 3 ';//Time period [sec] $refresh

The code is as follows Copy Code Class MySQL {Private $db _host; Database HostPrivate $db _user; Database user NamePrivate $db _pwd; Database User name passwordPrivate $db _database; Database namePrivate $conn; database connection

?function GetIP () {//Get IPif ($_server["http_x_forwarded_for"])$ip = $_server["Http_x_forwarded_for"]; OSPHP.com.CNelse if ($_server["HTTP_CLIENT_IP"])$ip = $_server["Http_client_ip"];else if ($_server["REMOTE_ADDR"])$ip =

Public Function GetIP () {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 '), '

$URL [' php_self '] = isset ($_server[' php_self ')?   $_server[' php_self ': (Isset ($_server[' script_name '])? $_server[' Script_name ']: $_server[' orig_path_info ']); Current page name$URL [' DOMAIN '] = $_server[' server_name '); Domain name

1. Generating random String functions Copy Code code as follows: function Random ($length) { $hash = @#@#; $chars = @ #ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz @#; $max = strlen ($chars)-1; Mt_srand

A common code function to get IP 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

We just need to add the following code to the feedback.php to judge it. Note: The bottom is just a PHP restricted IP instance code, if you intend to apply to the CMS, please modify yourself, or if you are using DEDECMS, you can contact the site.

Get Client IP Address? Open Source Code function GetIP () {if (getenv ("Http_client_ip") && strcasecmp (getenv ("Http_client_ip"), "Unknown")$ip = getenv ("Http_client_ip"); Open sourceelse if (getenv ("Http_x_forwarded_for") && strcasecmp

Inadvertently found in the computer there is such a MySQL connection class, also do not remember where the collection, posted it. After a few show_databases and show_tables .... All of these methods used a bunch of echo, as if they had never liked

We want to count the number of people who visit the site over a period of time, there are a variety of solutions, you can use cookie,session combined with text or database to record the number of user visits. This article will use PHP, combined with

1. Generating random String functions function Random ($length) {$hash = @#@#;$chars = @ #ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz @#;$max = strlen ($chars)-1;Mt_srand (Double) microtime () * 1000000);for ($i = 0; $i $hash. =

1, PHP encryption and decryption PHP encryption and decryption functions can be used to encrypt some useful strings stored in the database, and through reversible decryption of strings, the function uses Base64 and MD5 encryption and decryption.

0x01 backgroundFirst we understand the next wide-byte injection, which stems from the programmer setting the MySQL connection with an error configured as: Set CHARACTER_SET_CLIENT=GBK, which causes an injection vulnerability caused by the encoding

From Google's release of the various versions of the Android version of the source, android4.0 started to support the buffer playback of the interface and demo, after compiling the Android SDK in out will generate an executable file stream, This is

/*** Get city based on IP* @param string $IP IP address* @return Array* http://api.map.baidu.com/location/ip?ak=32f38c9491f2da9eb61106aaab1e9739&ip= "+ip*/Public Function Getcitybyip ($IP){$result = false;$url = "http://api.map.baidu.com/location/ip?