What is the symbol for calling class methods in php
This article mainly shows you "which is the symbol for calling class methods in php", the content is simple and clear, and I hope it can help you solve your doubts. Let me lead you to study and learn "which symbol is the symbol of calling class methods in php".
In PHP, the symbol that calls a class method is "- >"; the "- >" symbol is an insert dereference operator that calls the member properties and methods of an object, a method that calls a subroutine that passes parameters by reference, and the syntax is "class name-> method".
Operating environment of this tutorial: windows10 system, PHP7.1 version, DELL G3 computer
What is the symbol for calling class methods in php
The'- > 'symbol is the insert dereference operator (infix dereference operator). In other words, it is a method that invokes a subroutine that passes parameters by reference (and, of course, other functions). As we mentioned above, when calling the function of PHP, most of the parameters are passed by reference. The'- > 'functions in PHP are the same as they are in Perl or C++. Here is a simple example of dereference:
Echo $x-> def (); # output
Examples are as follows:
First declare a class in a tool.php file:
The above is all the content of the article "which is the symbol for calling class methods in php?" 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!
