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pass arbitrary vars into a func from another func? [message #177517]

Wed, 04 April 2012 17:52

J. Frank Parnell
Messages: 12
Registered: January 2012

Karma:

Junior Member

In wordpress and probly other software, there are functions you can
use to echo stuff into your page. just call
comments_number('0','1','%');
and it echo the number of comments for the post. The problem is, you
cant use that to set up, eg, a link to be echo'd later in your page,
because it will echo it when you call it.

$var = comments_number('0','1','%');
wont work to put the number into your $var cuz it will just echo the
number.

so, something like
ob_start();
comments_number('0','1','%');
$commentsnum = ob_get_contents();
ob_end_clean();
works.

now i could wrap funcs into other funcs that would do that, but i was
wondering about a generic func i could pass the func name and an array
of vars that the func expected

function echoToVar($func,$args = array()){
ob_start();
$func($args);
$ret= ob_get_contents();
ob_end_clean();
return $ret;
}

but i'm not sure how to get the args into the variable func. Some
funcs that are expecting an array would work with what i have above,
but i dont see how i could use this with eg the comments_number()
function.

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[Message index]

		pass arbitrary vars into a func from another func? By: J. Frank Parnell on Wed, 04 April 2012 17:52
		Re: pass arbitrary vars into a func from another func? By: Thomas Mlynarczyk on Wed, 04 April 2012 20:58
		Re: pass arbitrary vars into a func from another func? By: J. Frank Parnell on Thu, 05 April 2012 20:14
		Re: pass arbitrary vars into a func from another func? By: Erwin Moller on Fri, 06 April 2012 09:51

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