echo class

1. The first time we call the methods in different pages of the classTest.phprequire_once ' test1.php '; require_once ' test2.php '; Test1\ceshi (); Call way namespace \ Function name Test2\ceshi ();//Call way namespace \ Function namenamespace

0x01 What is serializationserialization is the transformation of our object into a string, saving the value of the object for easy delivery and use. 0x02 Why to serializeif you want to invoke a variable of the previous script in a script, but the

I believe that everyone who has been to the Oso will be very impressed by the Oso forum, which is a very good forum on the one hand. Do you want your homepage to have such a beautiful forum, in fact, not too complicated, below we only from some

Magic variable PHP provides a large number of predefined constants to any script it runs. However, many constants are defined by different extensions, and are only available when the extensions are loaded, either dynamically or at compile time.

In all programming languages, operators are variables and values that are used to manipulate or execute actions. You've seen the string concatenation operator. "In the Echo lesson and transfer Operation" = "in almost every example of PHP to date."

The example of this article tells the thinkphp undefined function exif_imagetype () solution for text watermark. Share to everyone for your reference. Specifically as follows: First, the problem description: thinkphp do a text watermark, today to

I believe that everyone who has been to the Oso will be very impressed by the Oso forum, which is a very good forum on the one hand. Do you want your homepage to have such a beautiful forum, in fact, not too complicated, below we only from some

PHP website Definition: Copy Code code as follows: A constructor is a special function in a class that is automatically invoked when an instance of a class is created with the new operator. This function becomes a constructor when the

One: Structure and invocation (instantiation): Class classname{}, calling: $obj = new ClassName (), and when the class has a constructor, it should also pass in the argument. such as $obj = new ClassName ($v, $v 2 ...); Two: Constructors and

Include and require are two basic ways to introduce files in PHP. There's nothing wrong with using include and require directly in small scale development, but it can cause a lot of include and require accumulation in large projects. Such code is

Sometimes, you need to count the length of time each user logs on. I took a lot of time when I first started this thing. Mainly I used the server too many users, there are more than 1000 people, write a good program to execute nearly half an hour

16.__tostring () method We said earlier that the method of declaring "-" the name of the method in the class (provided by PHP) is in the The "__tostring ()" method is also automatically invoked at a time when the method of executing is

JMX is Java Management Extensions Java Management extensionsMBean is managed beans managed beansAn Mbean is a managed Java object, a bit like JavaBean, a device, an application, or any resource can be represented as a Mbean,mbean exposes an

This article mainly introduced the PHP implementation lazy loading method, the example analyzes the PHP load principle and the lazy load realization skill, has certain reference value, the need friend may refer to under --> This article describes

I. Connection of PDO$host= "localhost"; $dbname= "Hejuntest"; $username= "Root"; $pwd= ""; $dsn= "mysql:host=$host;d bname=$dbname"; $opt=Array(Pdo::attr_persistent =TRUE);//Persistent Links Try{ $pdo=NewPDO ($dsn,$username,$pwd,$opt);

About Abstract Classes:Abstract class car{Abstract function getmaximumspeed ();}Class Fastcar extends car{function Getmaximumspeed () {return 150;}}Precautions:If the implemented class is also abstract, you do not have to implement all of its

index.php:PHPinclude' Demo.php '; UseA\demo astest; UseB\demo astest2; UseC\demo;$obj=Newtest ();$obj=Newtest2 ();Echob\b. " ";classCextendsdemo{}$obj=Newc ();$obj-say ();d emo:PHPphpnamespace A;classdemo{ Public function__construct ()

Common pitfalls and traps for pure Socket (BIO) long link programming, socketbioThis article is purely a summary of my personal experience. The pseudocode is also coded on the whiteboard when I write an article. There may be logic problems. please

The current row number in the _ LINE _ file. Website promotionThe complete path and FILE name of the _ FILE. If it is used in a file to be included, the file name to be included is returned. Starting from PHP 4.0.2, __file _ always contains an

Please do not pirated, reproduced please add source http://blog.csdn.net/yanlintao1 Please do not pirated, reproduced please add source http://blog.csdn.net/yanlintao1 Let's take a look at the effects of the images. You don't need to copy the Code