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This article mainly shows you "what is the meaning of spl in php". It is easy to understand and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "what does spl mean in php?"

The English full name of php spl is Standard PHP Library, which refers to the standard PHP class library; the content mainly includes data structure class, iterator, exception class, SPL function, and provides a series of interfaces.

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

What does php spl mean?

SPL is the PHP standard library.

Spl refers to the SPL-Standard PHP Library standard PHP class library.

The content mainly includes data structure class, iterator, exception class, SPL function, and some interfaces.

Data structure category mainly includes stack, queue, heap, array and other basic data structures, php has been encapsulated for you, if you want to do data processing can be used directly, very convenient.

Iterators are a new feature of php and are flexible to use in oop, for example, to traverse an array of objects.

Exception class is mainly to encapsulate some common exceptions and make an interface, popular will be to have a template format, you can expand according to his requirements.

There is a very important thing in the SPL function, spl_autoload_register (), which is used in oop to implement automatic loading.

Other interfaces, such as SplObserver, are convenient to implement the observer mode with the built-in interface php.

Standard PHP Library (PHP standard library, a framework that comes with PHP5 after compilation) provides a series of interfaces (interface) and class libraries (classes) to solve some common problems in Web development.

The above is all the content of this article "what does spl in php mean?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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