Online PHP editor | refs for PRg6P

@ 2018-01-12T23:04:06Z

<?php
    $s=null;
    if(is_numeric($s)==1)
        die("numerico");
    echo "strlen=".strlen($s);
    for($i=0;$i<strlen($s);$i++)
        if(is_numeric($s[$i]))
            echo $s[$i]." in posizione $i";
    
    
    
?>