faire interagir php et javascript

mettez sa dans une balise <php> :

<?php

//prompt function

function prompt($prompt_msg){

echo("<script type='text/javascript'> var answer = prompt('".$prompt_msg."'); </script>");

$answer = "<script type='text/javascript'> document.write(answer); </script>";

return($answer);

}

// code php to ask something

$prompt_msg = "Please type your name.";

$name = prompt($prompt_msg);

$output_msg = "Hello there ".$name."!";

echo($output_msg);

?>

src : https://stackoverflow.com/questions/30388997/equivalent-of-alert-and-prompt-in-php