--TEST-- Test printf() function : basic functionality - integer format --FILE-- <?php /* Prototype : int printf ( string $format [, mixed $args [, mixed $... ]] ) * Description: Produces output according to format . * Source code: ext/standard/formatted_print.c */ echo "*** Testing printf() : basic functionality - using integer format ***\n"; // Initialise all required variables $format = "format"; $format1 = "%d"; $format2 = "%d %d"; $format3 = "%d %d %d"; $arg1 = 111; $arg2 = 222; $arg3 = 333; echo "\n-- Calling printf() with no arguments --\n"; $result = printf($format); echo "\n"; var_dump($result); echo "\n-- Calling printf() with one arguments--\n"; $result = printf($format1, $arg1); echo "\n"; var_dump($result); echo "\n-- Calling printf() with two arguments--\n"; $result = printf($format2, $arg1, $arg2); echo "\n"; var_dump($result); echo "\n-- Calling printf() with three arguments--\n"; $result = printf($format3, $arg1, $arg2, $arg3); echo "\n"; var_dump($result); ?> ===DONE=== --EXPECTF-- *** Testing printf() : basic functionality - using integer format *** -- Calling printf() with no arguments -- format int(6) -- Calling printf() with one arguments-- 111 int(3) -- Calling printf() with two arguments-- 111 222 int(7) -- Calling printf() with three arguments-- 111 222 333 int(11) ===DONE===