note 51398 added to function.trim

An faster (and eleganter) way than using regular expressions to check if a string only contains whitespaces is to use trim(). Example: <?php if (!trim($foobar)) { echo 'The string $foobar is empty!'; } ?> I hope this helps somebody. ---- Manual Page -- http://www.php.net/manual/en/function.trim.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+51398 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+51398&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+51398&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+51398&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+51398&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+51398&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+51398&report=yes Search -- http://master.php.net/manage/user-notes.php