note 101188 added to language.operators.comparison

In response to "mail at markuszeller dot com" on 4 Aug 2010, your logic is flawed. When you put (!$a == 'hello') it evaluates the "!$a" first, then compares that result to 'hello' as an equality. So, if you set $a to 'goodbye', the if becomes: if (!'goodbye' == 'hello') which is false and incorrect. Even if $a were 'hello', it would always return false. It would never execute the code after the if statement. The proper way to code this would be: if (!('goodbye' == 'hello)) which would be true and correct. However, if you do the benchmarks on this syntax, it actually takes significantly longer than the normal ('goodbye' != 'hello') syntax. I did this test repeatedly and confirmed my results are accurate. Please check your code. You are probably getting incorrect results with your syntax. ---- Server IP: 69.147.83.197 Probable Submitter: 204.54.36.245 ---- Manual Page -- http://www.php.net/manual/en/language.operators.comparison.php Edit -- https://master.php.net/note/edit/101188 Del: integrated -- https://master.php.net/note/delete/101188/integrated Del: useless -- https://master.php.net/note/delete/101188/useless Del: bad code -- https://master.php.net/note/delete/101188/bad+code Del: spam -- https://master.php.net/note/delete/101188/spam Del: non-english -- https://master.php.net/note/delete/101188/non-english Del: in docs -- https://master.php.net/note/delete/101188/in+docs Del: other reasons-- https://master.php.net/note/delete/101188 Reject -- https://master.php.net/note/reject/101188 Search -- https://master.php.net/manage/user-notes.php