1--TEST-- 2Test natcasesort() function : error conditions - Pass incorrect number of args 3--FILE-- 4<?php 5/* Prototype : bool natcasesort(array &$array_arg) 6 * Description: Sort an array using case-insensitive natural sort 7 * Source code: ext/standard/array.c 8 */ 9 10/* 11 * Pass incorrect number of arguments to natcasesort() to test behaviour 12 */ 13 14echo "*** Testing natcasesort() : error conditions ***\n"; 15 16// Zero arguments 17echo "\n-- Testing natcasesort() function with Zero arguments --\n"; 18var_dump( natcasesort() ); 19 20// Test natcasesort with one more than the expected number of arguments 21echo "\n-- Testing natcasesort() function with more than expected no. of arguments --\n"; 22$array_arg = array(1, 2); 23$extra_arg = 10; 24var_dump( natcasesort($array_arg, $extra_arg) ); 25 26echo "Done"; 27?> 28--EXPECTF-- 29*** Testing natcasesort() : error conditions *** 30 31-- Testing natcasesort() function with Zero arguments -- 32 33Warning: natcasesort() expects exactly 1 parameter, 0 given in %s on line %d 34NULL 35 36-- Testing natcasesort() function with more than expected no. of arguments -- 37 38Warning: natcasesort() expects exactly 1 parameter, 2 given in %s on line %d 39NULL 40Done