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Course Introduction：PHP image upload class (added thumbnail)

2016-07-06 comment 0  1131

Course Introduction：In PHP, the subclass overloads the method of the parent class [parent::method name], neutron parent. In PHP, a subclass overloads the method of the parent class [parent::method name]. The subclass parent cannot define functions with the same name in PHP, including methods with the same name that cannot be defined in the same class, so there is no

2016-07-12 comment 0  992

Course Introduction：PHP image upload class with calling method attached. The php image upload class is attached with the calling method. The example in this article is to share the php image upload class for your reference. The specific content is as follows. The calling method: phpheader("Content-Type:text/html; charse

2016-07-12 comment 0  894

Course Introduction：PHP generates an adaptive size thumbnail class and shares how to use it. Copy the following code directly and create a new file called thumbnailimage.php. It is best not to use capital letters for the file name. Copy the following code into it: Copy the code The code is as follows: ?php define (

2016-07-13 comment 0  1021

Course Introduction：The instance method depends on object data and the class method operates the class level information. The instance method takes self as the first parameter, and needs to be called through an instance to access and modify the object state; the class method is defined by @classmethod, and cls as the first parameter, and can be called through a class or instance, and is often used for factory methods or class-level operations; if you need to operate the object's own data during selection, you use the instance method, and if you process the logic related to the class, you use the class method.

2025-07-04 comment 0  802

Course Advanced  15471

Course Introduction：This course will lead you to cleverly implement image watermark and thumbnail functions through the GD library in PHP. You can easily master the implementation ideas of the case. At the same time, the course also explains how to encapsulate this process into classes, which can further deepen your understanding of object-oriented understanding.

Course Advanced  7068

Course Introduction：This course will lead you to cleverly implement image watermark and thumbnail functions through the GD library in PHP. You can easily master the implementation ideas of the case. At the same time, the course also explains how to encapsulate this process into classes, which can further deepen your understanding of object-oriented understanding.

Course Elementary  21614

Course Introduction："File and Image Technology" mainly introduces the use of PHP to process files and upload images.

Course Elementary  17851

Course Introduction："PHP Fun Class" happily takes everyone to learn PHP, making learning programming less scary. Learning programming is not a scary thing. This class will make learning PHP quite simple and interesting! !

Course Elementary  36741

Course Introduction："PHP Fun Class" makes learning PHP like playing a game, developing, fighting monsters, and breaking through levels, making learning programming no longer a scary thing, but fun and simple! If you find it difficult to learn PHP, then this course is very suitable for you to learn!