>PDF_set_text_pos($p, 80, 670);
>PDF_show($p, "Requirements:");
>
>works just fine outside of a function but if I put the same thing inside a
>function like so
>
>function help()
> {
> PDF_set_text_pos($p, 80, 670);
> PDF_show($p, "Test:");
> }
>
>I get this error:
>
>Warning: pdf_set_text_pos(): supplied argument is not a valid pdf object
>resource in /var/www/html/form/test.php on line 16
$p is not "in scope" inside the function.
One of the purposes of a function is to isolate all your variables so that
you can't possibly screw up somebody else's variables with your function and
vice versa.
So $p is "empty" inside of help()
You can either:
Pass in $p as an argument (best) or declare it global:
function help($p){
...
}
function help(){
global $p;
...
}
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