Using is_ function to determine a proper data type and then work with it
<?php
$unknownvar = "Hello World";
echo gettype ($unknownvar) . "<br />";
if (is_string ($unknownvar)){
echo "Is a string<br />";
}
$mynumber = "1.03";
$mynumber = settype ($mynumber ,"integer");
echo $mynumber . "<br />";
echo (int) $mynumber;
?>
Related examples in the same category