PHP

For example, encountered a very large file has 49957289167B, we look at a long string of numbers after the unit is byte B, or do not know the size of this file is a concept, we convert it to GB as a unit, is 46.53GB. Use the following functions to

I think there are several reasons for this problem: 1, the client has disabled cookies 2, browser problems, temporarily unable to access cookies 3, Session.use_trans_sid = 0 in php.ini or the--ENABLE-TRANS-SID option is not turned on at compile time

Simple PHP News Release System tutorial (first edition) First: Establish a database with phpMyAdmin first to establish a database, called Yayu. Create a data table under this database, called News. The next point is to create the fields under Table

How to define an array: There are two main ways to create an array in PHP, so let's look at how to create an array (1) Create an array of methods for assigning values directly to each element. The format is: $arrayname [Key]=value; Where

After you find out why, you search the web for some time zone settings for PHP: 1, modify php.ini, found in the php.ini Data.timezone = remove it before the number, and then set data.timezone = "Asia/shanghai"; 2, in the program PHP 5 version of

1. Set the internal time zone of the program to UTC time. (UTC can also be called GMT) PHP Settings: Date_default_timezone_set ("UTC"); Yii settings: Added in config/main.php: ' TimeZone ' => ' UTC ', After this setting, the PHP generation time is

Array: "Focus 1" implode (delimited, arr) concatenate the array value data by the specified character For example: $arr =array (' 1 ', ' 2 ', ' 3 ', ' 4 '); $str =implode ('-', $arr); Explode ([delimited],arr) splits a string by the specified

This article describes the PHP hints cannot modify header Information-headers already sent by solution, is the PHP design process often encountered problems. In this paper, an example is used to analyze the solution. Share to everyone for your

Server environment: centos–5.4 PHP Upgrade: 5.4.14-5.5.0 Upgrade experience: Relatively smooth, but there is a point to note: Eaccelerator can not be compatible with php5.5.0, fortunately, PHP in 5.5.0 provided by default Zend Opcache, So have been

randimage.php /*+---------------------------------------------------------+| by Bleakwind http://www.weaverdream.com+---------------------------------------------------------+*/$dir = "images/";//Picture catalog, notice is sorted by name

Program 8, registration file Reg.php3 ? Require ("common.php3"); Require ("mail.php3"); if ($submit) { if ($id = = "") Error ("Please fill in your registered user name!") "); ElseIf (!eregi ("^[0-9a-za_z]+$", $id)) error ("Your username cannot

Recently, as a result of the project requirements to do a statistical function, the current date before the first 30 days of records. function quite simple, the following will be the realization of the method and share with you, to facilitate the

1. Open a picture that already exists The parameter of the function Imagecreatefromjpeg () is the path where the file is located, and the return value is the resource identifier of the picture that the parameter refers to. This function

Math function: 10 more commonly used standard red. abs-Absolute Value acos-Anti-cosine acosh-Inverse hyperbolic cosine asin-anyway Chord asinh-Inverse hyperbolic sine atan2-two-parameter tangent atan-anyway cut atanh-Inverse hyperbolic

The procedure consists mainly of three documents: 1, view.php is the calling procedure. 2, chart.php is used to generate the chart of the program. 3, gbtoutf8.php is used in Chinese decoding (note: has been resolved in both English and Chinese can

Remote management plug-ins are a very popular tool for WordPress site administrators, which allows users to perform the same operations on multiple sites at the same time, such as updating to the latest release or installing Plug-ins. However, in

The scope of a variable is a scope of the variable, in which the variable is visible, that is, the area of the code that can access the variable, and, conversely, if it is not within that scope, the variable is not visible and cannot be invoked.

Manually expiring Web Pages Manual page Expiration Author: Joe Clark Translation: Detrox After going through a series's pages during a registration process, you don ' t want the "user to be able" to "go" after t He final submit. What can you did

The ability to easily manipulate the information that users submit through HTML forms has been one of the advantages of PHP. In fact, PHP version 4.1 adds several new ways to access the information and effectively removes one of the most commonly

3. Update Update ?The beginning of the PHP program$db = mysql_connect ("localhost", "root");mysql_select_db ("MySite", $db);if (! $id){$result = mysql_query ("SELECT * from user", $db);if ($myrow = mysql_fetch_array ($result)){printf (" Please