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