Setup LAMP PHP7 Debian Jessie

Steps.txt

# echo 'deb http://packages.dotdeb.org jessie all' >> /etc/apt/sources.list
# echo 'deb-src http://packages.dotdeb.org jessie all' >> /etc/apt/sources.list

$ cd /tmp
$ wget --no-check-certificate https://www.dotdeb.org/dotdeb.gpg
$ apt-key add dotdeb.gpg
$ rm dotdeb.gpg
$ apt-get update

$ apt-get install php7.0 php7.0-fpm php7.0-gd php7.0-mysql lighttpd nano

$ cp /etc/lighttpd/conf-available/15-fastcgi-php.conf /etc/lighttpd/conf-enabled/15-fastcgi-php.conf
$ nano /etc/lighttpd/conf-enabled/15-fastcgi-php.conf
Change or append till you get this.
fastcgi.server += ( ".php" => 
	((
		"bin-path" => "/usr/bin/php-cgi",
		"socket" => "/run/php/php7.0-fpm.sock",
		"max-procs" => 1,
		"bin-environment" => ( 
			"PHP_FCGI_CHILDREN" => "4",
			"PHP_FCGI_MAX_REQUESTS" => "10000"
		),
		"bin-copy-environment" => (
			"PATH", "SHELL", "USER"
		),
		"broken-scriptfilename" => "enable"
	))
)
Then use CRTL + X and press Y and Enter.
$ systemctl restart lighttpd.service
 
$ nano /var/www/html/test.php
<?php
mkdir("something");
?>