1--TEST-- 2Test array_change_key_case() function - 3 3--FILE-- 4<?php 5/* generate different failure conditions */ 6$int_var = -19; 7$item = array ("one" => 1, "two" => 2, "THREE" => 3, "FOUR" => "four"); 8 9var_dump( array_change_key_case($int_var) ); // args less than expected 10var_dump( array_change_key_case($int_var, CASE_UPPER) ); // invalid first argument 11var_dump( array_change_key_case() ); // Zero argument 12var_dump( array_change_key_case($item, $item["one"], "CASE_UPPER") ); // more than expected numbers 13 14echo "end\n"; 15?> 16--EXPECTF-- 17Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d 18NULL 19 20Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d 21NULL 22 23Warning: array_change_key_case() expects at least 1 parameter, 0 given in %s on line %d 24NULL 25 26Warning: array_change_key_case() expects at most 2 parameters, 3 given in %s on line %d 27NULL 28end 29