PHP

The goto operator can be used to jump to a specified position in a program. The target location can be marked with a colon for the target name. The Goto in PHP has a certain limit and can only jump in the same file and scope, which means you can't

Copy Code code as follows: function Getpagecontent ($url) { $url = ' http://www.ttphp.com; $pageinfo = Array (); $pageinfo [Content_Type] = '; $pageinfo [CharSet] = '; $pageinfo [title] = '; $pageinfo [description] = '; $pageinfo

For example, there is a multidimensional array: Copy Code code as follows: Array Array Array (1,3,4), Array Array 1,2,3 ) ) ), Array Array (1,2), Array (1) ) ) The depth of this array is 5, so how

Implement the subtraction calculator in PHP. The code is very simple Oh! Copy Code code as follows: Header ("Content-type:text/html;charset=utf-8"); Session_Start (); ?> Simple Computer The first number

PHP to open the OpenSSL method, most of the OpenSSL is not open, to enable the need for a simple settingwindows open Method: 1: First check php.ini, extension=php_openssl.dll whether exist, if present remove the previous annotation character '; ',

Generally we are in accordance with the file name extension to determine the file type, but this is very unreliable, easily by modifying the extension to avoid, the general must read the file information to identify, PHP extension provides a

As we all know, most of the website news or merchandise information are static pages. The advantage of this is mainly to: 1, speed up access, avoid too much operation of the database, 2, SEO optimization, easy to collect search engines. This

Misuse of include 1. The reason of the loophole: Include is the most commonly used function in writing PHP Web sites, and supports relative paths. There are many PHP scripts that directly take an input variable as an include parameter, resulting

Foreach function (PHP4/PHP5)The foreach syntax structure provides a simple way to traverse an array.foreach can only be applied to arrays and objects, if an attempt is made to apply to a variable of another data type, or an uninitialized variable

In the PB development process, because the database uses the ntext field, the following prompts the error, depressed for a long time can not find the solution, after consulting a large number of data, finally understand:PB Error: You cannot use

Let's talk about the format of the switch () statement switch (expression) { Case Match 1: When matching 1 and the expression match the successful execution of the Code; Break Case Match 2: When matching 2 and the expression match the successful

ID is a frequent occurrence in the Web site, it is usually a number, but we found that many of the current site IDs are letters, such as YouTube video playback page its URL similar to/WATCH?V=YZNJIBEDYWW. Here is a way to generate an alphabetic

Function code: Copy Code code as follows: PHP Bulk filter Post,get sensitive data if (GET_MAGIC_QUOTES_GPC ()) { $_get = Stripslashes_array ($_get); $_post = Stripslashes_array ($_post); } Function Stripslashes_array (& $array) {

The header () function sends the original HTTP header to the client. Copy Code code as follows: 200 normal state Header (' http/1.1 OK '); 301 permanent Redirect, remember to add a redirect to the following address Location: $url

First, embed PHP code in javascript JavaScript is included in the JS file, then the JS file can also write directly PHP code, but contains a JS file is the extension to be converted to PHP, such as: Copy Code code as follows: Default

Method of mutual access between IFRAME and main frame 1. Mutual access to the same domain Suppose a.html and b.html domain are localhost (same field)B.html,name=myframe of a.html in an IFRAMEA.html has JS function Fmain ()B.html has JS function

A destructor is primarily used to release resources, such as freeing a database connection or a picture resource, or destroying an object. 1. Destructors are automatically invoked 2. The main method of destructor is to release resources 3, the

We can enable PHP to support multithreading by installing the pthread extension.A thread, sometimes called a lightweight process, is the smallest unit that a program executes.a thread is an entity in a process, a basic unit that is dispatched and

On the day of query by php and mysql, this week is queried, and the data instance of this month is queried (the field is a timestamp ). On the day of query by php and mysql, this week is queried to query the data instance of this month (the field is

/Etc/php-fpm.d/www. conf configuration notes, php-fpm.dwww.conf 1. The rlimit_files value in the php-fpm configuration file must be consistent with the number of open connections of the system. 1) view the number of opened system files [Root @