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This article introduces what the method of getting several parameters of php function is, the content is very detailed, interested friends can refer to it, hope to be helpful to you.

Php method to obtain several parameters of the function: 1, return the total number of parameters of the incoming function through the func_num_args function; 2, return the parameter list of the incoming function through the func_get_args function; 3, return the parameter values from the parameter list through the func_get_arg function.

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

How does php get how many parameters a function has?

PHP implements the method of dynamically obtaining function parameters:

1. Func_num_args-returns the total number of arguments passed into the function

Int func_num_args (void)

Example

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