root@areeb-Inspiron-3420:/var/www/html# apt install php5
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package php5 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'php5' has no installation candidate
root@areeb-Inspiron-3420:/var/www/html# apt-get install libapache2-mod-php5
Reading package lists... Done
Building dependency tree... 50%
Building dependency tree
Reading state information... Done
Package libapache2-mod-php5 is not available, but is referred to …
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