strlen in if

Hi people,
what is the correct way to use strlen() in an if statement?

if (isset($_POST['message']) && (strlen($_POST['message'] => 20))){

resulting in
Parse error: syntax error, unexpected T_DOUBLE_ARROW in DIRTOFILE/file.php on line 63
Thanks in advance
Jamie West.

Hi people,
what is the correct way to use strlen() in an if statement?

if (isset($_POST['message']) && (strlen($_POST['message']) >= 20)){

doh stupid me, its been a while, thanks ini

This type of stuff is in the manual btw...

thing is i shouldn't of needed to look in the manual. school boys mistake :( thats the the only one today though :D