func_num_args

func_num_args

Returns the number of arguments passed to the function

int **func_num_args**

Gets the number of arguments passed to the function.

This function may be used in conjunction with and to allow user-defined functions to accept variable-length argument lists. func_get_arg``func_get_args

Returns the number of arguments passed into the current user-defined function.

Generates a warning if called from outside of a user-defined function.

Voorbeeld: example

<?php
function foo()
{
    echo "Number of arguments: ", func_num_args(), PHP_EOL;
}

foo(1, 2, 3);   
?>

Number of arguments: 3

... syntaxfunc_get_arg``func_get_args``ReflectionFunctionAbstract::getNumberOfParameters