1--TEST-- 2Test round() function : error conditions - incorrect number of args 3--FILE-- 4<?php 5/* Prototype : float round ( float $val [, int $precision ] ) 6 * Description: Returns the rounded value of val to specified precision (number of digits 7 * after the decimal point) 8 * Source code: ext/standard/math.c 9 */ 10 11/* 12 * Pass incorrect number of arguments to round() to test behaviour 13 */ 14 15echo "*** Testing round() : error conditions ***\n"; 16 17echo "\n-- Wrong nmumber of arguments --\n"; 18var_dump(round()); 19var_dump(round(500, 10, true)); 20 21?> 22===Done=== 23--EXPECTF-- 24*** Testing round() : error conditions *** 25 26-- Wrong nmumber of arguments -- 27 28Warning: round() expects at least 1 parameter, 0 given in %s on line %d 29NULL 30float(500) 31===Done=== 32