Coding for Penetration Testers by Jason Andress & Ryan Linn

Author:Jason Andress & Ryan Linn
Language: eng
Format: epub
ISBN: 9781597497305
Publisher: Elsevier Science
Published: 2012-07-27T16:00:00+00:00

printf("My values are: %d, %2.2f, %d, %d, %s
",

$i, $f, $b, $a[0], $h[’a’]);

?>

We bring back our familiar variable testing code and substitute our output for a printf statement. We see that for decimal integers we use %d, for floats we use %f (in this case formatting up to two characters before the decimal and two characters after), and for string values we use %s (in this case the b output from our hash). We can create very complex format strings with printf, including binary output when required.

NOTE

The format string syntax can be quite elaborate and there are many more options than what we presented. To see the whole list of string format operators as well as the sprintf function which allows string creation with format strings, visit the sprintf help page at www.php.net/manual/en/function.sprintf.php.

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