PHP

PHP retrieves database data and assigns it to the drop-down list Code in Action Public function add (){ $ Node = M ('menu '); // instantiate the database $ This-> lists = $ node-> where

Webpage adaptive mobile phone Webpage adaptive mobile phone. Different styles are automatically called Based on the width of the browser or mobile phone screen to display different pages.In the browser, you can drag the width of the browser,

For PHP _ call learning reference Class Caller { Private $ x = array (1, 2, 3 ); Public function _ call ($ m, $) { Print "Method $ m called: \ n "; Var_dump ($ ); Return $

A simple example of the phpheader () function // Result error // Output already exists before header () is called Header ('Location: URL '); ?> II. disable browser cache Header

Usage example of the substr string truncation function in php // By bbs.it-home.org $ Rest = substr ("abcdef", 1); // returns "bcdef" Echo 'substr ("abcdef", 1) returns '. $ rest .""; $ Rest = substr ("

A good php file download class /** ** Php file download class ** Example: $ Download = new download ('php, exe, html', false ); If (! $ Download-> downloadfile ($ filename )) {

In-depth usage of phpob_start Ob_start (); // open the buffer Echo \ "Hellon \"; // output Header ("location: index. php"); // redirects the browser to index. php. Ob_end_flush (); // output all

How to enable gd2 extension in php Extension = php_gd2.dll Find the php configuration file php. ini, search for extension = php_gd2.dll, and remove the semicolon. if not, add it directly. This situation is

Several methods for php to traverse two-dimensional arrays /** * Traverse two-dimensional arrays * Edit bbs.it-home.org */ // For loop traversal $ Arr2 = array ("zhang san", "20",

A simple example of php file downloading Download nginx Chinese manual 2. the file get. php contains the following content: /** * Php file download * Edit bbs.it-home.org */

Php code example of truncating text at a character breakpoint // The so-called word break, that is, the place where a word can be disconnected during the conversion. This function truncates the string at the break.

Php thumbnail code to narrow down the Full Pane /** * Scaled down thumbnails * Edit bbs.it-home.org */ Function thumbs ($ FileName, $ SaveTo, $ SetW, $ SetH ){ $ IMGInfo = getimagesize ($

How to automatically execute php in windows at regular intervals This article introduces how to set the php program to be automatically executed on a regular basis in a windows environment. For more information, see.Follow these steps:

How to pass custom parameters in cli commands in php Both the compiled source code version and the pre-created php version contain a PHP executable file by default. This executable file can be used to run the PHP program of the command line.

Small example of scheduled php tasks // When the value is 0, the scheduled task is disabled. Return 1; ?> 2, jbxue. php Ignore_user_abort (); // close the browser and run the PHP

Comparative analysis of php one-dimensional array traversal methods // $ Arr = array ('a' => 'ABC', 'B' => 123, 'C' => true ); // B // $ Arr = range ('A', 'D '); // 1 For ($ I = 0; $ I

Go deep into the usage of getopt in php Var_dump ($ argv ); ?> Run the following command: Php script. php arg1 arg2 arg3 The output is as follows: $

Php code for file download (multiple file formats) /** * File download * Multiple file formats, including pdf, zip, gif, jpg, mpeg, and word. * Edit bbs.it-home.org */ Function dl_file

Function used to determine whether the php array is an indexed array /** * Checks whether an array is indexed. * Edit bbs.it-home.org */ Function is_assoc ($ array ){ If (

Enable gzip compression on the php VM Define ('abspath', dirname (_ FILE __).'/'); $ Cache = true; // Gzip compression switch $ Cachedir = 'gzip _ cache/'; // directory where the gz file is stored.