PHP Tutorials

PHP's error echo provides a lot of convenience for code debugging, allowing us to quickly find the error, but sometimes the display of error messages can expose some sensitive information and negatively affect the security of the program. With the

In PHP, arrays are divided into two categories: numeric indexed arrays and associative arrays. Where the numeric index array is the same as the array in the C language, the subscript is for 0,1,2 ... Associative array subscripts may be of any type,

Learning Essentials: 1. Create an image 2. Simple small case In PHP5, the processing of dynamic images is much easier than it used to be. PHP5 in the php.ini file contains the GD extensionPackage, just remove the appropriate comments for GD

Note: The article is from Eon to PHP video tutorial, this article is limited to exchange use, not for commercial purposes, otherwise the consequences. Learning Essentials:1. String formatting2. Manipulating substrings3. String comparisons4. Find

This article mainly introduces PHP using the WebSocket example, the need for friends can refer to the following Here I draw a diagram showing the handshake part of the WebSocket connection between the client and the server, which can be done very

This article mainly explains how to get the value of the first array cell in PHP. In PHP's built-in function, the function that gets the value of the array element has the following functions: Reset next Current prev end. Reset (PHP 3, PHP 4, PHP 5)

Use PHP and CSS to change the size of your Web pages--When designing a website, keep in mind that not all visitors are brilliant young people, and they are not necessarily fully familiar with the various ways in which Web browsers are used. When

Smarty is undoubtedly the most popular and most famous template engine in PHP development, which brings great convenience to our development work by using the template engine. Share the following Smarty plug-in technology (to create a PHP smarty

Used in today's project to remove the last character in a string The original string 1,2,3,4,5,6, Remove the last character "," and the end result is 1,2,3,4,5,6 The code is as follows: The code is as follows: $str = "1,2,3,4,5,6,"; $newstr =

share the PHP function getenv Use instance, the GETENV function is mainly used to get the value of an environment variable, the common PHP probe program is to use the getenv function. Getenv (PHP 4, PHP 5)Getenv-gets the value of an environment

PHP file management, can be clicked by time, size, name sort This example does not use jqueryDemonstrate PHP Code $rootdir = "./"; $spacenum = 0; $filenum = 0; $allfilesize = 0; echo "File Management Freejs.net Testing"; echo "Reset";

In web development, the serialization and deserialization of objects are often used, more mainstream JSON format and XML format serialization and deserialization, today want to write a Jsop small demo, the results found not to use PHP serialization,

Download the PHP Aegis decryption tool first decryption Then unzip it into a folder and put the files you want to decrypt. Then create a new decode.php code to write: Copy the Code code as follows: Require (' decryption.php ');Decryption (' code.

first, the number is 0. If you want to automatically generate a number, automatically generate a number, such as the form of "d0000009", "d0000027", then you will face a problem, how to use the left 0 to make such a 8-digit code? I think of two

The Zen Coding plugin does not introduce much. As we all know, after installing the plug-in, the input $ symbol will be automatically resolved to the corresponding number 1, 2, 3 ... As a PHP programmer, you want to define some of your own common

Getenv (PHP 4, PHP 5) Copy CodeThe code is as follows://getenv-Gets the value of an environment variable Function Description:String getenv (String $varname)Copy the Code Code as follows://Gets the value of an environment variable.With Phpinfo ()

Here's an example: rounding to keep two decimal places Copy the Code code as follows: $num 1 = 21;Echo sprintf ("%0.2f", $num 1). ""; Output 21.00$num 2 = 16.3287;Echo sprintf ("%0.2f", $num 2). ""; Output 16.33$num 3 = 32.12329;Echo sprintf ("%0

The PHP jump, which redirects the browser to the specified URL, is a very common feature. This feature also has some detail requirements, such as how many seconds to wait after the jump, with no JavaScript to achieve jump, and so on. The following

I. Installation of APCDownload http://pecl.php.net/get/APC-3.1.9.tgz The compilation parameters are as follows:Copy the Code code as follows:./configure--ENABLE-APC--enable-apc-spinlocks--disable-apc-pthreadmutexThe installation process is not said,

1, Custom function 2,spl_autoload_register () Copy the Code code as follows:liuyuan@ebuinfo:/var/www/phpgcs/php_autoload$ LL./*-rw-rw-r--1 Liuyuan Liuyuan 11:39./func_autoload.php-rw-rw-r--1 Liuyuan Liuyuan 906 Feb