<?php
$power= "0.1";
try{
if(is_float($power) || is_int($power)){
// ok, good
}
else{
throw new Exception("Amount of power was not int or float!", 1);
return false;
}
}
catch(Exception $e){
echo "Exception: ".$e->getMessage()."\n";
echo "Converting value to float if possible.";
$power = (float) $power;
}