PHP

Bloggers have recently begun to learn about the various design patterns of PHP. In the beginning, of course, from some simple design patterns began to learn, such as the previously published factory model, today's simple mode, and then to see the

Recently found a "stingy" learning site. Site content should not let replication, so do, how to let us test the time to make small copy, it is difficult not to a word a word to play. Fortunately, we are engaged in technology, this problem is still

PHP development process, you may have friends often encounter the session produced by the file can not automatically clear the problem, in fact, not really can not clear, but there is a probability problem, as long as your site access volume is

Read and write in a file, one file is an index file, and the other is a real data file.The index file is divided into 2 parts, the first part is all pointers, the position of the second part, and the second part is the index record. All index

Use PHP's unique array_map function to traverse the edges of all strings in the array to clear the space The code is as follows Copy Code function Trimarray ($Input) { if (!is_array ($Input))Return trim ($Input);

Naming conventions The Theta class file is named after the. class.php, which is called with the Hump method, and the first letter is capitalized, for example Pay.class.php;The Theta class name and directory _ file name are consistent. For example:

Question mark comma operator syntax The code is as follows Copy Code $a = 1;$b = $a ==1? ' A ': ' B ';echo $a;Result outputA Parse the above statement into if else The code is as follows Copy

So how do you let computers know that their allies are being attacked? and respond automatically? The problem to be solved: Once a computer is attacked by us, other computers will be informed and automatically send troops to help. Train of thought:

PHP error hint "Undefined variable": variable undefined, if you block the notice level in php.ini settings then he will not show any prompts, but for the sake of the rigor of the program, we try to avoid any warning, Errors, and other obvious

This article is about CentOS, for example, the Red Hat series of Linux methods should be so, the following detailed steps, here seriously despise what content?? Long ⑺ file brain leisurely 咴 Shadow said PDO compile installation article. 1, into the

CENTOS7 Installation Configuration Tutorial: http://www.111cn.net/sys/CentOS/63645.htm First, configure the firewall, open 80 ports, 3306 ports CentOS 7.0 uses firewall as a firewall by default, and this is iptables firewall instead.

PHP and AJAX Responsexml Instance tutorial Ajax technology can be used to recover the database information for XML.Ajax database for example of XMLIn the following example of Ajax, we will demonstrate how Web pages can be sold to information

Understanding crypt ()Anyone who has experience using a non-Windows platform may be familiar with crypt (). This function is called one-way encryption and can encrypt some plain codes, however, the password cannot be converted to the original

The ftp_connect () function creates a new ftp connection.If the connection succeeds, a connection id is returned. Otherwise, false is returned.SyntaxFtp_connect (host, port, timeout)*/$ File = 'public _ html/index. php tutorial '; // define a file$

The number format is the conversion format, starting from the percent sign ("%") to the end of the conversion character. The following possible format values:%-Percentage sign returned% B-binary number% C-characters based on ascii values% D-signed

/Mixed str_replace (mixed $ search, mixed $ replace, mixed $ subject [, int & $ count])Return a string or replace the given array replacement value in all searches in case of a problem.If you do not like rules to be replaced (such as regular

1. Configure nginx1. Start the nginx service.The command is as follows:[Root @ VM_185_51/] # service nginx restart2. Test whether the nginx service is running normally.If 'index.html 'saved is displayed at the end, the nginx service is normal.[Root @

1. $ _ GET is used to obtain data in the form of get in the table method.2. $ _ GET url. php? I = 12 data,The above is the data we often use get to obtain values,Instance 1: Get form data The code is as follows:Copy code Name: Get. phpAssume

Function descriptionString file_get_contents (string $ filename [, bool $ use_include_path [, resource $ context [, int $ offset [, int $ maxlen])Like file (), only file_get_contents () can read the file into a string. The content with the length of