PHP

The example in this article describes the solution for PHP to generate Excel column names that exceed 26 columns greater than Z. Share to everyone for your reference. The specific analysis is as follows: We generate Excel using the Phpexcel class,

This article illustrates the method of Php+mysqli to implement batch substitution database table prefixes. Share to everyone for your reference. The specific analysis is as follows: In PHP sometimes we want to replace the table prefix in the

GPC filter to automatically escape special characters in $_get,$_post,$_cookie to prevent SQL injection attacks$_get = Saddslashes ($_get);$_post = Saddslashes ($_post); Copy Code code as follows: The following is an example of

Copy Code code as follows: $a = "string"; $c = Explode ("Text to be deleted", $a, 2); $b = $c [0]. $c [1]; Explode (PHP 3, PHP 4, PHP 5) Explode--dividing another string with one string Describe Array explode (string separator,

This example describes how PHP uses PDO to connect and query SQL databases. Share to everyone for your reference. The specific implementation code is as follows: Copy Code code as follows: $login = "root"; $passwd = "MySQL"; try{

PHP developers should be aware that PHP has a lot of built-in functions, mastered them, can help you in doing PHP development more handy, this article will share 8 development of the necessary PHP features, all are very practical, I hope you can

First, enter the source directoryCD php-5.2.13/ext/ftp #运行phpize生成configure/usr/local/php/bin/phpize #编译, designate Php-config, notice the php-config here, not php.ini./configure--with-php-config=/usr/local/php/bin/php-config#上面可以添加--enable-ftp,

I believe a lot of friends do not know, you can call in the Smarty template PHP built-in functions, we look at its use. Template writing:{' param1 ' |functionname: ' param2 ': ' Param3 '}PHP function prototype:echo functionname (' param1 ', ' param2

This article describes the PHP common hash encryption function. Share to everyone for your reference. The specific analysis is as follows: Copy Code code as follows: $hash _list=hash_algos (); Returns a list of registered hash rules

This example describes the way PHP uses cookies to implement a shopping cart. Share to everyone for your reference. The specific analysis is as follows: The PHP shopping cart is used on ecommerce sites, a supermarket like a shopping cart, select

First of all, explain separately, Trim filter string at both ends,RTrim filter String tail, =chop ()LTrim filter string header. The key in the filter string can only be used str_replace.Let me give you an example to illustrate PHP code Copy

The example in this article describes the method of converting an array of array2xml classes in PHP into XML. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: Class Array2xml {

The text displayed in the image also needs to be painted in a coordinate position. In PHP not only support a lot of font library, but also provides a very flexible method of text rendering. For example, draw scaled, italic, rotated text, and so on

Because now the browser has been able to identify TXT document format, if only to do a text link txt document, click on just open a new window to display TXT file content, and can not achieve the purpose of the download. Of course, the solution to

Summary of Optimizing PHP code techniques1. If a method can be static, then declare that he is static, speed can be increased by 1/4;2. Echo is more efficient than print because ECHO has no return value and print returns an integral type;3. Set the

After installing the Wamp, open the phpMyAdmin that is the path http://localhost/phpmyadmin/ Appear Look at the code inside, I understand. The solution is directly mapped as follows: Copy Code code as follows: Options Indexes

This chapter describes several common internal functions of the PHP array. In the previous we have introduced the PHP array, created an array with the arrays () function, deletes an array element with the unset () function. In this chapter we will

__FILE__, is the full path and file name of the returned file. If used in the include file, the include file name is returned. Since PHP 4.0.2, __file__ always contains an absolute path, and the previous version sometimes contains a relative path.

This article illustrates the way PHP deletes left and right-end spaces. Share to everyone for your reference. The specific methods are as follows: In PHP to delete a function than JS more specific, in addition to the trim () function, there are

When we write programs, we always want to make our programs take the least amount of resources, run faster, and have less code. We often lose a lot of things while pursuing these. Now I want to talk about my understanding of PHP optimization. The