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func_get_arg

Description

The func_get_arg of Function Handling for PHP returns an item from the argument list.

Syntax

func_get_arg(
    int $position
): mixed

Parameters

position

The argument offset. Function arguments are counted starting from zero.

Return

Returns the specified argument, or false on error.

Examples

1 · position

<?

function myfunction()
{
    $position = 1;

    $return = func_get_arg($position);

    echo $return . PHP_EOL;
}

myfunction("a", "b", "c");
myfunction("d", "e", "f", "g");
myfunction("h", "i");

b
e
i

2 · for

<?

function myfunction()
{
    $number = func_num_args();

    for($i = 0; $i < $number; ++$i)
    {
        $position = $i;

        $return = func_get_arg($position);

        echo $position . ": " . $return . PHP_EOL;
    }

    echo PHP_EOL;
}

myfunction("a", "b", "c");
myfunction("d", "e", "f", "g");
myfunction("h", "i");

0: a
1: b
2: c

0: d
1: e
2: f
3: g

0: h
1: i