func_get_args

(PHP 4 , PHP 5)

func_get_args --  Returns an array comprising a function's argument list

Description

array func_get_args ( void )

Returns an array in which each element is the corresponding member of the current user-defined function's argument list. func_get_args() will generate a warning if called from outside of a function definition.

<?php
function foo()
{
    
$numargs = func_num_args();
    echo
"Number of arguments: $numargs<br />\n";
    if (
$numargs >= 2) {
        echo
"Second argument is: " . func_get_arg(1) . "<br />\n";
    }
    
$arg_list = func_get_args();
    for (
$i = 0; $i < $numargs; $i++) {
        echo
"Argument $i is: " . $arg_list[$i] . "<br />\n";
    }
}

foo(1, 2, 3);
?>

func_get_args() may be used in conjunction with func_num_args() and func_get_arg() to allow user-defined functions to accept variable-length argument lists.

Note: This function was added in PHP 4.


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