--TEST-- Test sprintf() function : usage variations - unsigned formats with boolean values --FILE-- <?php /* Prototype : string sprintf(string $format [, mixed $arg1 [, mixed ...]]) * Description: Return a formatted string * Source code: ext/standard/formatted_print.c */ echo "*** Testing sprintf() : unsigned formats with boolean values ***\n"; // array of boolean values $boolean_values = array( true, false, TRUE, FALSE, ); // array of unsigned formats $unsigned_formats = array( "%u", "%hu", "%lu", "%Lu", " %u", "%u ", "\t%u", "\n%u", "%4u", "%30u", "%[0-9]", "%*u" ); $count = 1; foreach($boolean_values as $boolean_value) { echo "\n-- Iteration $count --\n"; foreach($unsigned_formats as $format) { var_dump( sprintf($format, $boolean_value) ); } $count++; }; echo "Done"; ?> --EXPECTF-- *** Testing sprintf() : unsigned formats with boolean values *** -- Iteration 1 -- string(1) "1" string(1) "u" string(1) "1" string(1) "u" string(2) " 1" string(2) "1 " string(2) " 1" string(2) " 1" string(4) " 1" string(30) " 1" string(4) "0-9]" string(1) "u" -- Iteration 2 -- string(1) "0" string(1) "u" string(1) "0" string(1) "u" string(2) " 0" string(2) "0 " string(2) " 0" string(2) " 0" string(4) " 0" string(30) " 0" string(4) "0-9]" string(1) "u" -- Iteration 3 -- string(1) "1" string(1) "u" string(1) "1" string(1) "u" string(2) " 1" string(2) "1 " string(2) " 1" string(2) " 1" string(4) " 1" string(30) " 1" string(4) "0-9]" string(1) "u" -- Iteration 4 -- string(1) "0" string(1) "u" string(1) "0" string(1) "u" string(2) " 0" string(2) "0 " string(2) " 0" string(2) " 0" string(4) " 0" string(30) " 0" string(4) "0-9]" string(1) "u" Done