PHP

PHP cookie operation details (set, use, and delete) This article describes how to set, use, and delete cookies in PHP, as well as some restrictions on cookies. For more information, see.1,Set CookieSet the cookie in php and use the

How to determine whether a visitor is using an iPhone, iPad, or PC

Example of ThinkPHP (million-level) data sharding technology Let's talk about the example of using the built-in table sharding algorithm of ThinkPHP to process millions of data. if you need it, let's take a look.Code extracted from thinkphp

Php download code // Check whether all FORM fields are complete... If ($ form_completed ){ Header ("Location: http://bbs.it-home.org/download/info_check.exe "); Exit; } ?> Or the

The is_file () function used by php to determine whether a file is used Var_dump(is_file('a_file.txt '). "\ n "; Var_dump (is_file ('/usr/bin/'). "\ n "; ?> Output: bool (true) bool

Php implements ftp upload class and call example An ftp upload class, similar to an online example, is very simple and suitable for reference by new users.1. file Upload ftp. class. php FtpUrl = $ ftpUrl;} if ($ ftpUser) {$ this->

Custom levenshtein objective: to understand the levenshtein algorithm principle Reference: http://www.cnblogs.com/ymind/archive/2012/03/27/fast-memory-efficient-Levenshtein-algorithm.html Function _ levenshtein ($ src, $ dst ){

Php provides download after reading the file and changing the file name $ Filename = dirname (_ FILE _). '/oldfilename.exe '; $ Out_filename = 'newfilename.exe '; If ()){ Echo 'not Found '. $

Php code used to detect ajax requests Most JavaScript frameworks, such as jquery and Mootools, send additional HTTP_X_REQUESTED_WITH header information when sending Ajax requests. the header is an ajax request, therefore, Ajax requests

How to select a suitable Web development framework for your project? How to select a suitable web development framework for your project? First of all, for a software development start-up company, this is more like a business choice than

Summary of php method for calling external shell System ("/usr/local/bin/webalizer "); ?> Exec ()Prototype: string exec (string command [, string array [, int return_var])The exec () function is similar to

Php prevents malicious page refreshing code Session_start (); $ K = $ _ GET ['K']; $ T = $ _ GET ['t']; $ AllowTime = 1800; // Anti-refresh time $ Ip = get_client_ip (); $ AllowT = md5 ($ ip.

Several methods to prevent SQL injection in php /** * SQL Injection Prevention * @ Author: test@jbxue.com **/ /** * Reject SQL inject */ If (! Function_exists (quote )) {

Php converts binary, octal, and hexadecimal formats. /** * Convert decimal to binary, octal, or hexadecimal with zero padding before the digits being insufficient * * * @ Param array $ datalist

Php user-defined function recursively replaces the content in the array /** Desc: recursively replaces array content Link: bbs.it-home.org Date: 2013/2/22 */ Function arrContentReplact

How to create an array in php Php does not need to specify its size when creating an array. Since php is a loose language, you do not even need to declare it before using arrays. Although there are no strict restrictions, php still

Solution when the array element obtained by fgetcsv is a null string // The uploaded CSV file, which is usually GBK encoded in Excel, // While the source code is UTF-8, transcoding is required

Php time zone setting method summary Function_exists (date_default_timezone_set); // at this point, he always returns 1. this function is used to determine whether the character here is a defined function name.

How to convert data to scientific count when exporting data to excel // In the excel. php file $ ObjActSheet = $ objPHPExcel-> getActiveSheet (); // Set the topic name $ ObjActSheet-> setCellValue ("b1",

You do not need to re-compile php to add the ftp extension method. Extension_dir = "/usr/local/php/etc/ext" # Load module Extension = ftp. so # Save and exitNow, the ftp extension is