PHP Tutorials

PHP String functions include finding character position functions, extracting sub-character functions, replacing strings, character lengths, comparing character functions, dividing the array of characters, removing spaces, and so on. String

1. Splitting and merging Implode: Echo Implode (",", Array (' LastName ', ' email ', ' phone '));//Array to string Explode Print_r (Explode (",", ' Lastname,email,phone '));//String to array Split Print_r (Split ("[/.-]", "2008-9.12"));//or.

Copy CodeThe code is as follows: Return Array ( / * Project Settings */' App_debug ' = false,//whether to turn on debug mode' App_domain_deploy ' = false,//whether to use standalone Domain name deployment project' App_sub_domain_deploy ' =

Read data from all rows in a CSV file at once Copy CodeThe code is as follows: $file = fopen (' windows_2011_s.csv ', ' R '); while ($data = Fgetcsv ($file)) {//reads a row of CSV each time Print_r ($data); This is an array, to get every data,

Nclude ()The include () statement includes and runs the specified file. The following documents also apply to require (). These two structures are exactly the same in addition to how they handle failures. The include () generates a warning and

The responsibility chain model, whose purpose is to organize an object chain to process a request such as a method call. When Concretehandler (a specific handler) does not know how to satisfy a request from the client, or if it is not intended for

Buffer Buffer is a memory address space, the Linux system default size is generally 4096 (4KB), that is, a memory page. It is primarily used to store data between devices that are out of sync or between devices with different priority levels. By

There is a difference between the knowledge and the actual programming in the textbook of grammatical structure, and the real knowledge is obtained in the actual development. Each PHP developer should be familiar with the following five things

Previously wrote a plus decryption of the article, also can make use of, now for security, with PHP wrote a Triple DES (3DES) positive and negative decryption function. 3DES is recognized as the safest cryptographic decryption function, but

The pros and cons of extending PHP with C + +:Advantages:efficiency, or efficiency Reduce the complexity of the PHP script, in extreme cases, you just need to simply invoke a function of the extension implementation in the PHP script, and then all

Ob_start (); Setcookie ("username", "Song Yan Bin", Time () +3600); echo "The username is:". $HTTP _cookie_vars["username"]. " \ n "; echo "The username is:". $_cookie["username"]. " \ n "; Print_r ($_cookie); ?> Warning:cannot Modify header

image.php Copy CodeThe code is as follows: Class Image extends Controller { function Image () { Parent::controller (); $this->load->library (' image_lib '); } Thumbnail images function index () { Echo ' * Adjust image size * Create thumbnail

PHP Import into Excel garbled because UTF8 encoding in the XP system does not support all UTF8 encoding transcoding a perfect solution Utf-8 Coding CasePHP code Copy CodeThe code is as follows: Header ("Content-type:application/vnd.ms-excel;

PHP provides three ways to store sesion: File/Memory/custom storage, which by default is used for file storage.It is not appropriate to use this approach on heavily visited sites, as this can result in a large amount of redundancy in the input and

Using file_get_contents to crawl the content of the page is not successful, perhaps because some host services to the PHP allow_url_fopen option is closed, is unable to directly use file_get_contents to get the content of the remote Web page. That

A problem that has not been solved in the development The page uses UTF8 encoding, the head and tail of the template contains the method of the file, the result of the head and tail of the end of an empty line of about 10px, nothing. The reason is

First, create a picture resource Imagecreatetruecolor (Width,height);Imagecreatefromgif (image name);Imagecreatefrompng (image name);Imagecreatefromjpeg (picture name); draw a variety of image imagegif (picture resources, save the path);Imagepng

Reset (PHP 3, PHP 4, PHP 5) Reset--point the inner pointer of the array to the first cell DescriptionMixed reset (array &array)Reset () returns the internal pointer of the array back to the first cell and returns the value of the first array cell,

The PHP runtime forces an error message to be displayed, outputting the error message to a text file Error_reporting (E_all);Ini_set (' display_errors ', ' 1 ');Output error message to a text fileIni_set (' Error_log ', DirName (__file__). '/error_

Format of the stored command: The parameters are described as follows: Set/add/replace Find keywords