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
In PHP, the quickest way to read files is to use functions such as file and file_get_contents, A few simple lines of code can perfectly complete the functions we need. However, when the operated file is a relatively large file, these functions may
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
In PHP, the quickest way to read a file is to use functions such as file and file_get_contents, and a few lines of code can be pretty good at accomplishing the functions we need. However, when the file being manipulated is a larger file, these
Requirements are as follows: There is an existing 1G log file, about more than 5 million lines, with PHP to return the contents of the last few lines.
Implementation method:
1. Directly using the file function to operateNote: Because the file
Php implements code for reading large files. In php, the quickest way to read files is to use functions such as file and file_get_contents, A few simple lines of code can be used in php. the quickest way to read files is to use functions such as
This article mainly introduces the specific implementation of PHP in the city where the IP address is obtained. if you need it, refer to the file directory:
IpLocation----- Qqwry---------- QQWry. Dat----- IpCity. class. php
IpCity. class. php file
PHP determines whether a city can be switched to another city or redirect code based on the IP address. 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
Detailed description of how to read large files in php. This article describes how to read large files in php. For more information, see reference. The requirement is as follows: there is a log file of about 1 GB. in this article, I will introduce
Get IP AddressCopy 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 Read large File implementation methodSource: Time: 2013-09-05 19:27:01 read:6186share to: 0[Introduction] This article to introduce you to the students in PHP read large file implementation of the method, there is a need to understand the
PHP: examples of how to quickly read large files. In PHP, the fastest way to read large files is to use functions such as file and file_get_contents, several simple PHP lines and several examples of quick reading of large files
In PHP, the quickest
In PHP, the quickest way to read a file is to use functions such as file, file_get_contents, and just a few lines of code to do what we need. But when the file being manipulated is a large file, these functions may be out of the way, the following
File directory:
Iplocation-----Qqwry----------QQWry.Dat-----ipCity.class.php
ipCity.class.php File Code:Copy the Code code as follows:
Class IpCity {
/*** Obtain the corresponding city according to the IP address* @param type $userip User IP
In PHP, apart from the most common fopen (), fwrite (), and fread () functions, there are also many useful built-in file operation functions. Some of these functions can be used independently, and some need to work with other functions. Let's take a
File directory:
Iplocation-----Qqwry----------QQWry.Dat-----ipCity.class.php
ipCity.class.php File Code:Copy the Code code as follows:
Class IpCity {
/*** Obtain the corresponding city according to the IP address* @param type $userip User IP
The article first introduces the structure of the file content of Qqwry.dat and then according to its characteristics we can write read the contents of the Qqwry.dat IP library to find what we want.
First look at the content structure of the
This article to introduce you to the students in PHP read large file implementation of the method, there is a need to understand the students can enter reference.
The requirements are as follows: an existing log file of about 1G, about more than 5
In php, it is very easy to read common small files, but it may require some tips if we want to use php to read large files, below I will summarize how php reads large file instances. in php, it is very easy to read common small files, but it may
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