note 111051 added to function.filter-var

Keep in mind that FILTER_VALIDATE_EMAIL will validate the email address according to standards. However, giving the fact that organizations are free to restrict the forms of their own email addresses, using ONLY this filter can you a lot of bounces. gmail, yahoo, hotmail, aol have special rules For example : <?php $email_a = '0hot\'mail_check@hotmail.com'; if (filter_var($email_a, FILTER_VALIDATE_EMAIL)) { echo "This (email_a) email address is considered valid."; //reported as valid } //there can be no "0hotmail_check@hotmail.com" //because hotmail will say "Your email address needs to start with a letter. Please try again." even if you remove the ' ---- Server IP: 69.147.83.199 Probable Submitter: 82.76.226.233 ---- Manual Page -- http://php.net/manual/en/function.filter-var.php Edit -- https://master.php.net/note/edit/111051 Del: integrated -- https://master.php.net/note/delete/111051/integrated Del: useless -- https://master.php.net/note/delete/111051/useless Del: bad code -- https://master.php.net/note/delete/111051/bad+code Del: spam -- https://master.php.net/note/delete/111051/spam Del: non-english -- https://master.php.net/note/delete/111051/non-english Del: in docs -- https://master.php.net/note/delete/111051/in+docs Del: other reasons-- https://master.php.net/note/delete/111051 Reject -- https://master.php.net/note/reject/111051 Search -- https://master.php.net/manage/user-notes.php