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This article is about how php checks for the existence of methods of a class. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

In PHP, you can use the method_exists () function to check whether the class's method exists in the specified object, with the syntax "method_exists ($object,$method_name)"; if so, return true, otherwise return false.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php checks for the existence of methods in the class. You can use the method_exists () function.

Method_exists-checks whether the method of the class exists, and that the method of the class exists in the specified object.

Syntax:

Method_exists ($object,$method_name)

Parameters:

Object: object example or class name.

Method_name: method name.

Return value: returns true if the method referred to by method_name is defined in the object class referred to by object, otherwise it returns false.

Example:

Output result:

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