output buffering a function parameter

I have two simple PHP functions:

  function print_txt($text) {
    echo $text;

  function store_data($name,$data){

I want the second function to store data and use it later whenever I want but when I try to put the first function as a parameter it prints it directly.

E.g : store_data('my_data',print_text('hello world')); when I reload the page the 'hello world' string appears

Is there any way to keep the data and control it ? Something like output buffering maybe ?


The method echo do not have any return value. Return the value in print_txt after you have print it:

return $text;

Or did not I get your question?

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