<?php <br />$a_bool = TRUE; // a boolean <br />$a_str = "foo"; // a string <br />$a_str2 = 'foo'; // a string <br />$an_int = 12; // an integer <br /><br />echo gettype($a_bool); // prints out: boolean <br />echo gettype($a_str); // prints out: string <br /><br />// If this is an integer, increment it by four <br />if (is_int($an_int)) { <br />$an_int += 4; <br />} <br /><br />// If $bool is a string, print it out <br />// (does not print out anything) <br />if (is_string($a_bool)) { <br />echo "String: $a_bool"; <br />} <br />?> <br />
