PHP5 the new object model
The object processing part of PHP has been completely rewritten, with better performance and more functionality. In previous versions of PHP, objects were treated as primitive simple types
(such as Integer and string), the
Use the PHP5 on your own computer.
PHP4 on the server.
On your own machine time, 2008-2-14 14:56:29
Write a good program and turn it into a bunch of numbers. 1202972189
Database with access: Field default value Now ()
Workaround:
This is no problem,
Share the difference between the three types of data in the PHP5 class, PHP5 data type
Public: Common TypeA method or property in a subclass that can invoke a public type through Self::var can call a method in the parent class through
In previous versions of PHP5, the constructor name must be the same as the class name, which is still available in PHP5, but is now rarely used.PHP5 and later versions, the constructor is declared with the __construct () method, which has the
Section 2-object model of PHP5PHP5 has a single-inherited, restricted-access, and reload object model. this chapter will discuss inheritance in detail later, including the parent-child relationship between classes. in addition, PHP supports
Section 2: Object Model of PHP5. * + Tips + | this document uses Haohappy to read CorePHPProgramming | the notes in chapter ClassesandObjects in | translated mainly + individual /*
+ -------------------------------------------------------------------
Application Analysis of PHP5 clone function. Undoubtedly, the launch of PHP5 has a profound significance for the development of network applications. This is not just because it is highly backward compatible with PHP4. Of course, PHP5 data packets
PHP5ZendEngine2 improvement. The object processing part of the new object model PHP has been completely rewritten, providing better performance and more functions. In previous PHP versions, objects were treated as original simple types (such as the
To migrate the working machine to Ubuntu for development, the first task after the ubuntu system is installed is to install the phpmysql development environment. I plan to install php5 and pdo_mysql directly. The following is a record of the
The XML support is enhanced in PHP5, and the XML operation capability is extended using DOM. These functions are part of the PHP5 core and can be used without installation. The XML support is enhanced in PHP5, and the XML operation capability is
These days try to move the machine to Ubuntu to do development, the first task after the installation of the system is to install the Php+mysql development environment. I intend to install php5 directly, Pdo_mysql, the following is the record of the
PHP5 has added a lot of object-oriented ideas, and PHP5 object-oriented approach to the object-oriented concept of java. Here we describe the role of static and const keywords in PHP5, hoping to help friends who learn PHP5.
(1) static
The static
Next, continue to dig your head down .... :) Type indication in PHP5, you can specify in a class method that the parameter must be an instance of the class: Example10: type instance, you can see that, specify a class name before the variable, let
New PHP5 features (1 ). Although PHP5 has not yet been officially released (the development version has been provided for download), we can now start to experience the surprises that the new version will bring us. In the following introduction,
Install apache2 + PhP5 + mysql5 + pureftp + FTP in Ubuntu
1. Install ubuntu7.04 Desktop
Ii. Install mysql5 manually in Ubuntu Linux
1. Download the Linux version of MySQL 5.Address:
This is a simple task.
CVSup-Gl 2-H cvsup.freebsd.org/usr/share/examples/CVSup/ports-supfileCD/usr/ports/lang/PhP5 (or:/usr/ports/www/mod_php5)Make install clean
However, the result shows that the handler cannot run and an error is reported,
PHP (PHP training PHP Tutorial) 5 of the objects have been a more systematic, more comprehensive adjustment, and now may look like some Java. This section focuses on the new object patterns in PHP5, with some simpler examples to illustrate. Let this
In the study of PHP language, we can know that PHP4 is unable to achieve multiple inheritance. So what about PHP5? We conducted a test on PHP5 and found that the implementation of PHP5 multiple inheritance was very simple.
How to use PHP upload
Abstract class Abstract classes cannot be instantiated. Abstract classes, like other classes, allow you to define variables and methods. Abstract classes can also define an abstract method, and the methods of the abstract class will not be executed,
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