PHP

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

Basic php Tutorial-for loop printing hollow diamond This section describes examples of for loop printing hollow diamond and for loop application for your reference.In the previous section, we introduced the php for loop. in this section, we

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 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

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.

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

Summary of php methods for removing line breaks $ Content = str_replace ("\ n", "", $ content ); Echo $ content; Method 2: Str_replace ("\ r \ n", "", $ str ); Method 3: $

So that your PHP object can be foreach, and attributes are modified using Private If you are bored, you can play with it.The traversal object is actually just a specific attribute of the array type in the object.You can use foreach directly

B2Core: 300-line phpMVC architecture B2Core is a lightweight php MVC framework. the 300-line code encapsulates common CRUD and other practical functions.For the latest code, see the http://b2core.b24.cn, and welcome criticism and

Php generates a random code segment /* * Note: generate a random code and display the random code graphically. */ $ ViewRandomCode = mt_rand (1000,10000 ); Session_start (); $ _