1--TEST-- 2Test interface_exists() function : error conditions 3--FILE-- 4<?php 5/* Prototype : bool interface_exists(string classname [, bool autoload]) 6 * Description: Checks if the class exists 7 * Source code: Zend/zend_builtin_functions.c 8 * Alias to functions: 9 */ 10 11echo "*** Testing interface_exists() : error conditions ***\n"; 12 13// Zero arguments 14echo "\n-- Testing interface_exists() function with Zero arguments --\n"; 15var_dump( interface_exists() ); 16 17//Test interface_exists with one more than the expected number of arguments 18echo "\n-- Testing interface_exists() function with more than expected no. of arguments --\n"; 19$classname = 'string_val'; 20$autoload = true; 21$extra_arg = 10; 22var_dump( interface_exists($classname, $autoload, $extra_arg) ); 23 24?> 25===DONE=== 26--EXPECTF-- 27*** Testing interface_exists() : error conditions *** 28 29-- Testing interface_exists() function with Zero arguments -- 30 31Warning: interface_exists() expects at least 1 parameter, 0 given in %sinterface_exists_error.php on line %d 32NULL 33 34-- Testing interface_exists() function with more than expected no. of arguments -- 35 36Warning: interface_exists() expects at most 2 parameters, 3 given in %sinterface_exists_error.php on line %d 37NULL 38===DONE===