1--TEST-- 2Test printf() function : basic functionality - char format 3--FILE-- 4<?php 5/* Prototype : int printf ( string $format [, mixed $args [, mixed $... ]] ) 6 * Description: Produces output according to format . 7 * Source code: ext/standard/formatted_print.c 8 */ 9 10echo "*** Testing printf() : basic functionality - using char format ***\n"; 11 12 13// Initialise all required variables 14$format = "format"; 15$format1 = "%c"; 16$format2 = "%c %c"; 17$format3 = "%c %c %c"; 18$arg1 = 65; 19$arg2 = 66; 20$arg3 = 67; 21 22echo "\n-- Calling printf() with no arguments --\n"; 23$result = printf($format); 24echo "\n"; 25var_dump($result); 26 27echo "\n-- Calling printf() with one arguments --\n"; 28$result = printf($format1, $arg1); 29echo "\n"; 30var_dump($result); 31 32echo "\n-- Calling printf() with two arguments --\n"; 33$result = printf($format2, $arg1, $arg2); 34echo "\n"; 35var_dump($result); 36 37echo "\n-- Calling printf() with three arguments --\n"; 38$result = printf($format3, $arg1, $arg2, $arg3); 39echo "\n"; 40var_dump($result); 41?> 42===DONE=== 43--EXPECTF-- 44*** Testing printf() : basic functionality - using char format *** 45 46-- Calling printf() with no arguments -- 47format 48int(6) 49 50-- Calling printf() with one arguments -- 51A 52int(1) 53 54-- Calling printf() with two arguments -- 55A B 56int(3) 57 58-- Calling printf() with three arguments -- 59A B C 60int(5) 61===DONE===