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This post was last edited by Iamsai on 2013-09-28 14:04:34 0) reverse_i (substr ($STR, 1)), Echo substr ($STR, 0,1),//return}/* Everyone, look at my idea, right? Reverse (' hello '); function reverse_i (' Hello ') if (strlen (' Hello ')) >0

?Define (' Abc_critical ', 0);Define (' Abc_error ', 1);Define (' Abc_alert ', 2);Define (' Abc_warning ', 3);Define (' Abc_notice ', 4);Define (' Abc_info ', 5);Define (' Abc_debug ', 6);Define (' Abc_trace ', 7);Define (' Abc_var_dump ', 8);Define

Php recursion New question this post was last edited by iamsai in 2013-09-2814: 04: 34 & lt ;? Php & nbsp; reverse_ I (hello); & nbsp; function & nbsp; reverse_ I ($ str) {& nbsp; & nbsp; & new php recursion problems This post was last edited by

Php recursion New question this post was last edited by iamsai in 2013-09-2814: 04: 34 & lt ;? Php & nbsp; reverse_ I ('Hello'); & nbsp; new php recursion problems This post was last edited by iamsai at 14:04:34 Reverse_ I ('Hello ');Function

Get IP Address Copy Code code as follows: function GetIP () { if ($_server["http_x_forwarded_for"]) $ip = $_server["Http_x_forwarded_for"]; else if ($_server["HTTP_CLIENT_IP"]) $ip = $_server["Http_client_ip"]; else if

?PHP tutorials to get IP algorithms$user _ip = ($_server["Http_via"])? $_server["Http_x_forwarded_for"]: $_server["REMOTE_ADDR"];$user _ip = ($user _ip)? $user _ip: $_server["REMOTE_ADDR"];echo $user

function | data | database Discuz 5.0 do not use their own IP data, but the use of pure IP data format, access to the pure IP database a little trouble, its storage format is more special and interesting, the specific format of the analysis of the

Introduction: this is the core technology of the PHP Forum-detailed page for hierarchical storage, display, and return. It introduces PHP, related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = '

Php display area code by IP address php display area code by IP Script ec (2); script Define ('ipdata _ MINI ', PHPCMS_ROOT. 'include/IPDATA/mini. Dat ');Define ('ipdata _ full', PHPCMS_ROOT. 'include/IPDATA/QQWry. Dat '); Class ip_area{Var $ fp

It is quite easy to get the IP address first. The following describes two codes for getting the IP address first. You need to use the QQIP library to find the IP address that belongs to the current IP address segment and then obtain the City field

Get IP Address Copy codeThe Code is as follows: Function GetIP (){ If ($ _ SERVER ["HTTP_X_FORWARDED_FOR"]) $ Ip = $ _ SERVER ["HTTP_X_FORWARDED_FOR"]; Else if ($ _ SERVER ["HTTP_CLIENT_IP"]) $ Ip = $ _ SERVER ["HTTP_CLIENT_IP"]; Else if ($ _ SERVER

Php determines the source code of the IP address. The following code judges the user's city based on the IP address, php judges that the IP address location source code is completely open. the following code calls us to determine the user based on

In many cases, the string truncation function is required. it is not enough because of the encoding problem between gb2312 and UTF-8, the following are the specific implementation methods and the code extracted from some mature systems. 1. Chinese

PHP obtains the specific implementation of the city based on the IP address. File Directory: ipLocation ----- qqwry ---------- QQWry. Dat ----- ipCity. class. phpipCity. class. php file code: Copy the code as follows :? PhpclassipCity {*** obtain

Discuz 5.0 is not using their own IP data, but the use of pure IP data format, access to the pure IP database a little bit of trouble, its storage format is very special and interesting, specific format analysis refer to the following two links,

File directory: IpLocation----- Qqwry---------- QQWry. Dat----- IpCity. class. php IpCity. class. php file code:Copy codeThe Code is as follows: Class ipCity { /*** Obtain the corresponding City Based on the IP address* @ Param type $ userip user IP

Function convertIp ($ ip ){$ Return = '';If (preg_match ("/^ d {1, 3}. d {1, 3}. d {1, 3}. d {1, 3} $/", $ ip )){$ Iparray = explode ('.', $ ip );If ($ iparray [0] = 10 | $ iparray [0] = 127 | ($ iparray [0] = 192 & $ iparray [1] = 168) | ($ iparray

Want to convert IPV4 address to real address, must refer to IP database, commercial IP database stored in relational database, query and use is very convenient, but the cost is not individual and small companies willing to bear, So the idea of

Get IP Address The code is as follows Copy Code function GetIP () {if ($_server["http_x_forwarded_for"])$ip = $_server["Http_x_forwarded_for"];else if ($_server["HTTP_CLIENT_IP"])$ip = $_server["Http_client_ip"];else if (

Define (' Ipdata_mini ', Phpcms_root. ' Include/ipdata/mini. Dat ');Define (' Ipdata_full ', phpcms_root. ' Include/ipdata/qqwry.dat '); Class Ip_area{var $fp = NULL;var $func;var $offset;var $index; function Ip_area (){if (@file_exists