PHP installed extension hint undefined

The following error is still indicated after installing the curl extension:

Call to undefined function curl_init ()

Use the statement output no

echo function_exists (' Curl_init ')? ' YES ': ' No ';

Reference Solutions

Http://stackoverflow.com/questions/6382539/call-to-undefined-function-curl-init

After restarting the Cgi,fpm,nginx resolution, the statement:

Killall-hup php5-cgi

Spawn-fcgi-a 127.0.0.1-p 9000-c 10-u www-data-f/usr/bin/php-cgi

Restart PHP5-FPM

sudo service php5-fpm restart

Restart Nginx:

Nginx-s Reload

PHP installed extension hint undefined