On Tue, Nov 18, 2003 at 02:03:25PM -0800, david wrote:
:
: Cpt John W. Holmes wrote:
:
: > From: "david" <[EMAIL PROTECTED]>
: >>
: >> if(function_exists($function)){
: >> eval('$return = $function($input);');
: >> }else{
: >> // function does not exists
: >> }
: >>
: >> which works quit nicely for now. not sure if that's a good thing to do.
: >
: > Why not just do this:
: >
: > if(function_exists($function))
: > { $return = $function($input); }
: > else
: > { //function does not exist; }
:
: because i didn't know PHP can do that. thanks for the tip! any differences
: between the 2 version in turns of performance and safety?
You don't have to invoke eval()), and you don't have to worry about
quoting issues in eval().
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