Parse the differences between static, const, and define in php. Define: macros can be used not only to replace constant values, but also to replace expressions or even code segments. (Macros have powerful functions but are prone to errors, so their
This article provides a detailed analysis of the differences between static, const, and define in php. For more information, see
Define section:Macros can be used not only to replace constant values, but also to replace expressions or even code
Define section:Macros can be used instead of constant values, and can be used instead of expressions, even code snippets. (Macros are powerful, but error-prone, so their pros and cons are quite controversial.) )
The syntax for a macro is:Macro
Define section:Macros can be used not only in place of constant values, but also in substitution of expressions or even code snippets. (Macros are powerful, but they are also prone to errors, so the pros and cons are quite controversial.) )
The
Define section:Macros can be used not only to replace constant values, but also to replace expressions or even code segments. (Macros have powerful functions but are prone to errors, so their advantages and disadvantages are quite controversial
Define section:Macros can be used not only to replace constant values, but also to replace expressions or even code segments. (Macros have powerful functions but are prone to errors, so their advantages and disadvantages are quite controversial
This article introduces, PHP in the Static,const and define usage difference, the need for friends to refer to it.In PHP, often use static,const and define, today we come to understand the difference between the next three what?Define: A macro can
Defining constants is best used with static const, without # defineConstants are often defined when writing code. For example, to write a UI view class, the view is displayed and then the animation is played, and then disappears. You may want to
The Static keyword is used to describe the member attributes and member methods in the class. The final keyword can only be used to define the class and method. The final keyword cannot be used to define the member attributes, because final is a
Php targets the use of static, const, and final keywords. The Static keyword is used to describe member attributes and member methods in a class. The final keyword can only be used to define classes and methods, the Static keyword final cannot be
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