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php tutorial + mysql tutorial database tutorial unlimited classification code This paragraph php infinite classification code more complete, including the database is mysql, add, delete, edit, move the function, while also providing the database sql table structure // connect to the database $ link = mysql_connect ('localhost', 'root', '') or die (mysql_error ()); mysql_select_db ('class', $ link) or d ...
PHP invoke Linux Command details/* The function to invoke Linux commands in the PHP tutorial is string exec (String command, string [array], int [return_var]); such as exec ("VPOPMA ...")
Reading and writing Extensible Markup Language (XML) with PHP can seem a bit scary. In fact, XML and all its related technologies can be scary, but reading and writing XML in PHP is not necessarily a scary task. First, you need to learn a bit about XML: what it is and what it does with it. Then, you need to learn how to read and write XML in PHP, but there are many ways to do this. What is XML? XML is a data storage format. It does not define what data is saved, nor does it define the format of the data. XML ...
Finding and matching php strings The functions used to find or match or locate in php are numerous and all have different meanings. Here only about the more strstr, stristr. The latter and the former function, the return value is the same, but not case-sensitive. strstr ("parent string", "substring") is used to find the first occurrence of a substring in the parent string and returns the part of the parent string that begins with the substring and ends with the parent string . Such as ec ...
We're using the excelfileparser to deal with this extension. Oh, <!. DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=&q ...
Want to know what the design pattern is? In this article, I will explain why design patterns are important. I will also provide some examples of PHP to explain when and where to use design patterns. What is a design pattern? Design patterns are an optimized and reusable approach to our day-to-day programming problems. A design pattern is not just a class or a library that can be easily integrated into a system. It is a template that can only be used in the right context. It's not just a language. A good design pattern should be applied to most languages, but also to language ...
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The opendir () function opens a directory handle that can be used by closedir (), readdir (), and rewinddir (). Syntax opendir (path, context) * / $ d = dir ("c: windows"); / / Open the directory, and assigned to the variable echo "ha ...
recursive delete directory (folder) Here are two examples, one is to delete a separate empty directory code, a batch delete directory folder code. // delete a single empty folder $ dir = 'www.111cn.net'; if (is_dir ($ dir)) / / to determine whether the directory {if (rmdir ($ dir)) {echo 'directory delete success'; el ...
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