1--TEST-- 2Test ucwords() function : error conditions 3--FILE-- 4<?php 5/* Prototype : string ucwords ( string $str ) 6 * Description: Uppercase the first character of each word in a string 7 * Source code: ext/standard/string.c 8*/ 9 10echo "*** Testing ucwords() : error conditions ***\n"; 11 12// Zero argument 13echo "\n-- Testing ucwords() function with Zero arguments --\n"; 14var_dump( ucwords() ); 15 16// More than expected number of arguments 17echo "\n-- Testing ucwords() function with more than expected no. of arguments --\n"; 18$str = 'string_val'; 19$extra_arg = 10; 20 21var_dump( ucwords($str, $extra_arg, $extra_arg) ); 22 23// check if there were any changes made to $str 24var_dump($str); 25 26echo "Done\n"; 27?> 28--EXPECTF-- 29*** Testing ucwords() : error conditions *** 30 31-- Testing ucwords() function with Zero arguments -- 32 33Warning: ucwords() expects at least 1 parameter, 0 given in %s on line %d 34NULL 35 36-- Testing ucwords() function with more than expected no. of arguments -- 37 38Warning: ucwords() expects at most 2 parameters, 3 given in %s on line %d 39NULL 40string(10) "string_val" 41Done 42