[PHP] php programming style

[Beau Hartshorne]

Hi,

I'm curious if it's bad coding style for a function to return a value on
success, or simply "false" on fail. Here's what I mean:

<?php

function foo($number)
{
        if (is_numeric($number)) {
                return $number . ' is a number.';
        } else {
                return false;
        }
}

if ($string = foo(1)) {
        echo $string;
} else {
        echo 'error';
}

?>

Is this ok?

Thank you,

Beau



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