1--TEST-- 2Test is_resource() function : error conditions 3--FILE-- 4<?php 5/* Prototype : bool is_resource ( mixed $var ) 6 * Description: Finds whether a variable is a resource 7 * Source code: ext/standard/type.c 8 */ 9 10echo "*** Testing is_resource() : error conditions ***\n"; 11 12echo "\n-- Testing is_resource() function with Zero arguments --\n"; 13var_dump( is_resource() ); 14 15echo "\n-- Testing is_resource() function with more than expected no. of arguments --\n"; 16$res = fopen(__FILE__, "r"); 17$extra_arg = 10; 18var_dump( is_resource($res, $extra_arg) ); 19 20?> 21===DONE=== 22--EXPECTF-- 23*** Testing is_resource() : error conditions *** 24 25-- Testing is_resource() function with Zero arguments -- 26 27Warning: is_resource() expects exactly 1 parameter, 0 given in %s on line %d 28bool(false) 29 30-- Testing is_resource() function with more than expected no. of arguments -- 31 32Warning: is_resource() expects exactly 1 parameter, 2 given in %s on line %d 33bool(false) 34===DONE===