SMTP ERROR

[darjitanvi]

http://sourceforge.net/projects/phpmailer/files/phpmailer%20for%20php5_6/PHPMailer%20v5.1/PHPMailer_v5.1.zip/download?use_mirror=nchc&r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fphpmailer%2Ffiles%2Fphpmailer%20for%20php5_6%2FPHPMailer%20v5.1%2F&use_mirror=ncu

above link download the code and example folder change the gmail setting .But bellow error display

SMTP -> ERROR: Failed to connect to server: Unable to find the socket transport “ssl” - did you forget to enable it when you configured PHP? (24)
SMTP Error: Could not connect to SMTP host. Mailer Error: SMTP Error: Could not connect to SMTP host.