1--TEST-- 2Test expm1() - Error conditions 3--FILE-- 4<?php 5/* Prototype : float expm1 ( float $arg ) 6 * Description: Returns exp(number) - 1, 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 expm1() : error conditions ***\n"; 12 13echo "\n-- Testing expm1() function with less than expected no. of arguments --\n"; 14expm1(); 15echo "\n-- Testing expm1() function with more than expected no. of arguments --\n"; 16expm1(23,true); 17 18?> 19===Done=== 20--EXPECTF-- 21*** Testing expm1() : error conditions *** 22 23-- Testing expm1() function with less than expected no. of arguments -- 24 25Warning: expm1() expects exactly 1 parameter, 0 given in %s on line %d 26 27-- Testing expm1() function with more than expected no. of arguments -- 28 29Warning: expm1() expects exactly 1 parameter, 2 given in %s on line %d 30===Done=== 31