PHP Tutorials

Wrote a test for MySQL PHP file as follows: Copy the Code code as follows: $link =mysql_connect (' localhost ', ' root ', ' root ');if (! $link) echo "Failed!";else echo "Success!";Mysql_close ();?> Results reported error: Fatal error:call to

Definition and usage The end () function points the array's internal pointer to the last element and returns the value of the element, if successful. Grammar End (Array) parameter description Array required. Specifies the array to use. Example

As for the form content, here is not much to say, mainly is the form action= "getpost.php", namely writes getpost.php this file. The contents of this file are posted below. Copy the Code code as follows: Define the content of the form to be

Copy the Code code as follows: date:2011-08-05Class runtime//page Execution time classes{private $starttime;//page Start execution timeprivate $stoptime;//page End Execution timeprivate $spendtime;//page execution takes timefunction Getmicrotime ()

Copy CodeThe code is as follows: /*** Responsibility Chain Mode** To unbind the sender and receiver of the request, the use of multiple objects takes the opportunity to process the request, linking the objects to a chain and passing the request

On the Internet to find some information are not found, Kung fu is not a conscientious, in looking for when there is a person mentioned with the search engine crawler spider useragent. Although only to mention a little bit I still think of, List my

Copy CodeThe code is as follows: function Files ($path){foreach (Scandir ($path) as $line){if ($line = = '. ' | | $line = = ' ... ') Continueif (Is_dir ($path. ' /'. $line)) Files ($path. ' /'. $line);else Echo ' '. $path. ' /'. $line.

※checkmoney ($C _money) Check if the data is in 99999.99 format ※CHECKEMAILADDR ($C _mailaddr) to determine if a valid e-mail address ※CHECKWEBADDR ($C _weburl) to determine if it is a valid URL ※checkempty ($C _char) to determine if a string is

Copy the Code code as follows: Regular expressionsEreg Case Sensitiveif (Ereg ("([A-z]{3,})", "AAA")) {echo "uppercase can match!"";}else{echo "No";}if (Ereg ("([A-z]{3,})", "AAA")) {echo "Yes";}else{echo "Lowercase does not match!";}Eregi Case

Grammar Date (format,timestamp) parameter description Format required. Specifies the format of the timestamp. Timestamp is optional. Time stamp is specified. The default is the current date and time To find out the day before is time ()

First, connect the database 1. Mysql_connect: Open MySQL Link Mysql_connect (' host ', ' username ', ' password ') 2. mysql_select_db: Open a Database mysql_select_db (' database name ', $ link identifier)//link identifier not filled by default is

Ange ($low, $high), Range ($low, $high, $step);//Create an array of sequential values such as: Range (1,4) as (1,2,3,4) and range (' A ', ' Z ') Each ($array) returns the current element of the array sequentially, and sets the next element to the

Copy CodeThe code is as follows: /*** Ternary Group Triplet**/Class Triplet{Private $_data = null;Initialize ternary groupsPublic Function init ($val 1, $val 2, $val 3){$this->_data[0] = $val 1;$this->_data[1] = $val 2;$this->_data[2] = $val

Copy CodeThe code is as follows: /** Process Control** First, sequential structure* Two, branch structure--Conditional structure--Select structure* 1. Single-channel branch*//conditions bool,true or false,> * IF (condition)* Execute the following

Copy CodeThe code is as follows: /** Generate Ubuntu Auto Switch wallpaper XML file*/Picture Catalogue$dir = '/home/yuxing/background ';$HD = Opendir ($dir) or Die (' Can not open dir ');$files = Array ();while ($file = Readdir ($HD)) {$tem =

Come to the conclusion today. , when accessing properties declared as const and static in the inner method of a class, use Self:: $name form. Note that the Const attribute's declaration format, const PI=3.14, is not const $PI =3.14 Copy the Code

Character interception to solve the Chinese interception problem The code is as follows: function cut_string ($string, $start, $sublen, $extstring = ' ... ', $code = ' UTF-8 ') {//cut_string start if ($code = = ' UTF-8 ') {$p A = "/[\x01-\x7f]|

Copy CodeThe code is as follows: /*** @usage: Used to offer safe file write operation in multiple threads context, arbitory file type* @author: Rocky Zhang* @time: Nov 11 2009* @demo [0]: $handler = Mfopen ($file, ' A + ');* Mfwrite ($handler,

To the online search for the previous solution, most of them said to modify the php.ini in the upload_max_filesize, but after the modification of this, or prompt this question, but phpmyadmin in the prompt this question, the right corner has a line

There are two ways to replace variables with strings--simple methods and complex methods. The simple approach is to put the variable name in a double-quote string or Heredoc: $who = ' Kilroy '; $where = ' here '; echo "$who was $where"; Kilroy is