1--TEST-- 2Bug #72463 mail fails with invalid argument 3--SKIPIF-- 4<?php 5if(substr(PHP_OS, 0, 3) == "WIN") { 6 die('skip not for windows'); 7} 8?> 9--INI-- 10sendmail_path="echo >/dev/null" 11--FILE-- 12<?php 13 14mail("some.address.it.wont.ever.reach@lookup.and.try.to.find.this.host.name","subject","a", ""); 15mail("some.address.it.wont.ever.reach@lookup.and.try.to.find.this.host.name","subject","a", NULL); 16 17?> 18===DONE=== 19--EXPECTREGEX-- 20.*===DONE=== 21