On Wed Apr 20 10:55 AM, Mark wrote:
>
> function varset($arr, $key, $default = '') { return (isset($arr[$key])
> ? $arr[$key] : $default); }
>
> where the call would be:
> $var = varset($_GET, 'var');
>
> I personally like both ways...
> My proposal is to make this function a core php function in PHP 5.4.
> The added benifit is obvious. People can, with this, use a way shorter
> notation to validate if a given array element exists. Right now that
> needs to be done with a ternary, filter_var or some other method
> (there are quite a few ways to check for existence).
>
> I tried to look in the PHP source to see if i could make a patch to
> add this but i couldn't find the function that defines the isset
> function (i wanted to base it on that). So a pointer to the right
> location would be nice (along with docs that tell me what i all need
> to do to implement a new php function).
https://svn.php.net/viewvc/php/php-src/trunk/Zend/zend_language_parser.y?rev
ision=306938&view=markup
Look for "isset_variables:", then zend_do_isset_or_isempty
isset() lives in the parser and requires some advanced knowledge of the
opcodes (personally I'm not there yet)
>
> So, what do you think of this?
>
I like the idea, it could also be called vardef() or var_default()
--
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php
