Incrementing a String Name

Hi Just a quick puzzle I cant seem to get around at the moment... Im trying to create a loop that increments the string name by a digit. For example, if I had the following 4 strings submitted to a script..... $name1 $name2 $name3 $name4 What I want to do is create a while loop that will print out the above 4 strings, incrementing the number part of string automatically. while($count<4) {

    $count=$count+1;
    echo"$increased_string_name\n";

} But I just cant seem to work out how to increment the string name to display it. Any assistance on this would be great. I have a feeling that there is a better method of attacking this but im only new to PHP and dont know it yet. Thanks Chris