Re: Seeking 'coalesce' php internal function
| From: | Steph Fox | Date: | Wed, 03 May 2006 06:16:01 +0000 |
| Subject: | Re: Seeking 'coalesce' php internal function | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-23104@lists.php.net to get a copy of this message | ||
D.
Please read the mailing list archives. And don't mention it again ;)
- Steph
----- Original Message ----- From: "D. Dante Lorenso" <dante@vocalspace.com>
To: <dante@lorenso.com>
Cc: <internals@lists.php.net>
Sent: Wednesday, May 03, 2006 8:05 AM
Subject: Re: [PHP-DEV] 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"])) {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 $_GET testing), but the 'coalesce' function removes the test/set with identical values so removes those kinds of careless bugs. Dante -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php __________ NOD32 1.1380 (20060125) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com$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");