destructor: executes when an object becomes garbage or when an object is explicitly destroyed.
GC (Garbage Collector)
In PHP, when no variable points to this object, the object becomes garbage. PHP will destroy it in memory.
This is the PHP gc
This article illustrates how PHP uses the header function, PHP_AUTH_PW and php_auth_user to do user authentication. Share to everyone for your reference, specific as follows:
In PHP, you can use the header function to do some interesting things,
I often use MySQL database, so the program only wrote MySQL database operation class. I hope you master the other class to write all, it is best to send a copy to me.
db_mysql.php inherit the db.php interface and implement various methods of
Copy Code code as follows:
/**
* Function: According to the conditions of the classification of the cache to reduce the use of categories
* Date Created: Thu May 15:55:11 CST 2007
* Last update:
* Author: Sanshi
*/
Class Treecache
{
This article illustrates how PHP uses the Mysqli class library to achieve a perfect paging effect. Share to everyone for your reference, specific as follows:
This article is based on my last article "PHP Database operations based on MYSQLI database
Premise: Here is the typical LNMP structure, the NGINX+PHP-FPM model
If I have a PHP program executing very slowly, even in the Code sleep (), and then the browser connected to the service, will start a php-fpm process, but this time, if the
Brief introduction:
PHP-FPM is a PHP FastCGI manager, General Nginx run PHP program will be thrown to the PHP program php-fpm to resolve. All right, that's it!
PHP 5.4 began to integrate the PHP-FPM, that is, when compiling PHP, as long as--ENABLE-
The PHP htmlentities () function converts characters to HTML entities, this article introduces the PHP htmlentities () function Basic use method and the example introduction, needs the code agriculture may refer to.
Definitions and usage
The
This example describes the PHP anonymous function and use clause usage. Share to everyone for your reference, specific as follows:
The following method outputs the Hello World
$param 1 and $param2 are closed-pack variables
function test ()
basename-returns the file name part of the pathdirname-returns the directory part of the path
Copy Code code as follows:
String basename (String $path [, String $suffix])
String DirName (String $path)
Example:
Copy
Using mysql_query to query for oversized result sets can cause fatal errors that exceed the memory limit, because Mysql_query uses a way to query all the results and then cache all the result sets in memory.
MySQL query also provides another way to
In the first case: PHP Generate Web Desktop Shortcuts
Will introduce the use of PHP to generate Web desktop shortcuts to the code, and add icons and solve the different browser to save the garbled problem.
When we visit the site, if the content
The tail command writes the file to the standard output from the specified point. Using the-f option of the tail command makes it easy to refer to the changing log file, Tail-f filename will display the tail contents of the filename on the screen,
Using PHP to simulate post values although not much is used in daily life, it is often used in some situations. The following cloud-Habitat community Small series for everyone to organize three kinds of PHP analog post pass the value of the method,
The example in this article describes how PHP uses the Trim function to remove the left and right spaces and special characters of a string. Share to everyone for your reference, specific as follows:
the trim () function in PHP is defined as
When dealing with xml-based applications, developers often need to build XML-encoded data structures. For example, the XML state template that is based on user input in the Web, the server requests XML statements, and customer responses based on the
For the php://input introduction, the PHP official manual document has a very clear overview of it in a word. "Php://input allows to read raw POST data. It is a less memory intensive alternative to$http_raw_post_data and does no need any special php.
Because PHP searches for variables in a string enclosed in double quotes, single quotes are not, note: only echo can do this, it is a "function" that can take multiple strings as arguments: ECHO is the language structure, not the real function, so
This article analyzes the usage of the PHP submit post array parameters. Share to everyone for your reference, specific as follows:
First in PHP to send the array from the page to server A, to the same name in multiple spaces on the page, and for
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