[ModernPHP] Chapter 2 Closure of new features
Closure
Closures and anonymous functions have appeared since PHP 5.3.0, which is my favorite and most commonly used PHP function. I heard these names very well (at least I thought so for the first
Closed PackageClosures and anonymous functions are starting from PHP 5.3.0, which is my favorite and most used PHP feature. Hearing these names is especially true (at least when I first heard them), but in fact it's really good to understand. They
About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a no matter the development efficiency or execution efficiency are quite high programming language. About the various aspects of modern PHP features, you can refer to the
About PHP, we have a lot of misunderstanding, but in fact, modern PHP is a door regardless of development efficiency or execution efficiency is quite high programming language. On the various aspects of modern PHP features, you can refer to the
Closure class: Anonymous functions (introduced in PHP 5.3) produce objects of this type.You can bind the class to a class or object and add a custom method to the class or object dynamically
Methods used prior to PHP7
Closure::bind: Copies
Introduced
When it comes to the development of computer software, I want to use all the latest technology. For example, the front-end uses the latest JavaScript technology, and the server side uses the latest REST-based Web API service. In addition,
: This article mainly introduces how to dynamically add PHP Objects like javascript. if you are interested in PHP tutorials, refer to it. Are you still envious of how javascript can dynamically add methods to objects? is PHP also a solution? Next
Still envy JavaScript can dynamically add methods to the object, PHP is also a way to yo? Then look down!
The most important thing is that the dynamic extension method also supports accessing the object's internal private properties and methods Oh!!
in JDK7, Java provides support for dynamic language features, enabling the JSR 292 Supporting dynamically Typed Languages on the Java Platform specification, this is a major advance in the development of the Java language, while providing support
doubt
If you think it's a bit confusing to understand the closure function, put it aside and ask yourself a question:Object-oriented programming language for the reuse of code is mainly implemented by inheritance, that function-oriented code reuse
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