Definitions and usage
php function Microtime () returns the current Unix timestamp and microsecond number.
php function Microtime () syntax
Microtime (Get_as_float)
php function microtime () parameter and description
Get_as_float If the get_as_float
Introduction to APCAPC (alternative PHP cache) is a PHP buffer. It stores PHP pages in memory and reduces the I/O to the hard drive. This is obvious for performance improvement. You can even improve the performance of system 50% with a 50% reduction
About the "PHP eggs" may be a lot of old phper already know or heard, as if it was early in the PHP4 version of the time there are eggs, very good fun, may have been gradually forgotten in recent years, in fact, the Easter egg function in PHP script
Share a PHP access to the site from Baidu search keywords code, have the need for friends can refer to:
Code:
Copy Code code as follows:
function Search_word_from () {
$referer = isset ($_server[' http_referer '])? $_server['
In the work need to deal with multilingual translation problems, translation is written in Excel form. I will keep both Chinese and English in order to handle the convenience.
This requires that the data be taken out of Excel, and then stored in an
How does PHP implement a site save shortcut? Here is a section of PHP code, the following code, you can save PHP Web site shortcuts, so that users at any time to browse.
Copy Code code as follows:
$Shortcut = "[Internetshortcut]
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
1 grammar
1.1 Basic syntax
Clone
You need to manipulate the original object, but do not want to affect the original object.
Copy Code code as follows:
$K _back = Clone $K;
Basic data types and arrays are true copies,
(Deque, the full name double-ended queue) is a data structure that has the nature of queues and stacks. Elements in a two-way queue can be ejected from both ends, and their qualifying insert and delete operations are performed at both ends of the
1. File formatThe first problem to be encountered is definitely file format, in the Web development, everyone is using HTML or XHTML, to WAP development, you have to use WML. What is WML? We can go to the more detailed information, I just mention it
It is often necessary to detect the user's status when registering for registration. It's a special study today. But there should still be some small loopholes, first share to everyone, slowly improve
This is based on the thinkphp framework, others
PHP 5.3 added the __call and __callstatic magic method.
__call the __call method is automatically invoked when the method being invoked does not exist or has insufficient permissions.
__callstatic the __callstatic method is automatically invoked
For an experienced PHP programmer, it is no longer a difficult task to implement the query function of a string. Here we will introduce a PHP query string shortcut techniques for your reference.
A deep understanding of PHP plug-in mechanism
In PHP 4, declaring a variable usually uses VAR, in PHP 5, you can use object-oriented programming (OOP) features to customize the visibility of data-accessibility, which is similar to the scope of the variable, but provides a better control
PHP 5 introduces a new class XMLReader for reading Extensible Markup Language (extensible Markup language,xml). Unlike the SimpleXML or the Document Object Model,dom, XMLReader operates in streaming mode. That is, it reads the document from
Chinese garbled solution: cause the encoding format is inconsistent1. When creating a database, the character set selection Utf-82. Modify the configuration of MySQL: Add Character_set_server=utf8 below the [mysqld] Module3. The encoding format of
Php concatenates and parses json using nested arrays to nest json
Concatenate a hybrid json-containing object array using nested Arrays
"0", "message" => "OK", "arr" => []; class Person {public $ name; public $ age; // defines a constructor. The
Reload and rewrite of PHP objects, and rewrite of php objects
Overriding is a manifestation of the polymorphism between the parent class and the Child class, and Overloading is a manifestation of the polymorphism in a class. The Overloaded method
For more information, see socket communication in php.
Are you familiar with TCP/IP, UDP, and Socket programming? With the development of network technology, these words are filled with our ears. So I want to ask:1. What are TCP/IP and UDP?2. Where
The thinkphp mobile phone number and user name are both logged on, thinkphp login Login? /A> Please try again later.
For more information, see the code:
// When registering, the user name cannot be a pure number, so that the user name of one
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