1--TEST-- 2Test log1p() - Error conditions 3--FILE-- 4<?php 5/* Prototype : float log1p ( float $arg ) 6 * Description: Returns log(1 + number), computed in a way that is accurate even 7 * when the value of number is close to zero 8 * Source code: ext/standard/math.c 9 */ 10 11echo "*** Testing log1p() : error conditions ***\n"; 12 13echo "\n-- Testing log1p() function with less than expected no. of arguments --\n"; 14log1p(); 15echo "\n-- Testing log1p() function with more than expected no. of arguments --\n"; 16log1p(36, true); 17?> 18===Done=== 19--EXPECTF-- 20*** Testing log1p() : error conditions *** 21 22-- Testing log1p() function with less than expected no. of arguments -- 23 24Warning: log1p() expects exactly 1 parameter, 0 given in %s on line %d 25 26-- Testing log1p() function with more than expected no. of arguments -- 27 28Warning: log1p() expects exactly 1 parameter, 2 given in %s on line %d 29===Done===