Cris: Hi. The improvement to your function, proposed by Sanjay Mantoor, works excellent. There´s no need to find any other way.
Bermúdez. <?php //here we use the function you proposed, improved by Sanjay Mantoor: function return_int($value){ if (ctype_digit($value)) { echo $value."\t"; return true; } else { return false; } } ?> <?php //First, we get the string from the a form: $num=$_POST['the_string']; //now we construct an array with characters in the string: $value = str_split($num); //here we filter the array looking for........ you know: $value_new = array_filter($value, "return_int"); //This programming exercise comes from an eMail I recived yerterday. //How can I find the integers inside a string? //The original an a good answer are in the folder of the site. Read it! //Wednesday, july 23th, 2008. ?> -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php