elaborazione stringhe

[jcsnake]

Eccoti lo script

<?php
if(isset($_POST["testo"])){
        $prova=explode("\n",$_POST["testo"]);
        echo "[b]";
        foreach($prova as $testo)
                echo trim($testo)."
*".trim($testo)."*
";
}
else{
        echo "<form name='form1' action='#' method='post'>
                <textarea name='testo' col=100 row=3>Prova questa frase</textarea>
                <input type='submit' name='button1'>
                </form>";
}
?>