Re: Seeking 'coalesce' php internal function

D. Dante Lorenso wrote:

I don't think something like this can NOT be written in userspace because the 'isset' and 'empty' checks need to be run before arguments can be passed to a user function or warnings will start flying. A function like this simplifies code which used to look like this: if (!empty($_POST["postkey"])) {

       $value = $_POST["postkey"];

} elseif (!empty($_GET["getkey"])) {

       $value = $_POST["getkey"];

} elseif (!empty($default_value)) {

       $value = $default_value;

} else {

       $value = "hard coded value";

} Into this: $value = coalesce($_POST["postkey"], $_GET["getkey"], $default_value, "hard coded value");

I mean "I DON'T think like this CAN be written in userspace". And, yes, there is a bug in that code up above (around $_GET testing), but the 'coalesce' function removes the test/set with identical values so removes those kinds of careless bugs. Dante