Re: Custom function
| From: | Dan Schaefer | Date: | Wed, 16 Feb 2011 20:00:09 +0000 |
| Subject: | Re: Custom function | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-311385@lists.php.net to get a copy of this message | ||
In my code, I set the optional parameter to NULL and check for triple equals "===" or "!==" to see if the variable has been passed with a value. IMO, this is the safest way.
function MyFunction($x, $y, $z=NULL) {
if ($z !== NULL) {
// Do Something
}
}
Dan Schaefer
Web Developer/Systems Analyst
Performance Administration Corp.
On 2-15-2011 6:32 PM, Ron Piggott wrote:
Is there a way to make an optional flag in a custom function --- 2 parameters required, 1 optional? Ron The Verse of the Day “Encouragement from God’s Word” http://www.TheVerseOfTheDay.info