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Please bear with me experts i’m a newbie in web dev.
With html,css can take care of webpages..
javascript,ajax for some dynamic content..
php for server side scripting,accessing databases,sending emails,doing all other stuf…
What role do these programming languages play?
Can they do any other important task which cannot be done by PHP?
All languages can all do basically any task any other one of them can do, as they are all Turing complete.
PHP works as a server-side scripting language, but you can also use Perl, Python, Ruby, Haskell, Lisp, Java, C, C++, assembly, or pretty much any other language that can access standard input and standard output for CGI communication with web content.
PHP is widely used because a) it’s easy to learn a little and go, and b) the rather tedious CGI protocols are skipped, as the language handles them for you, so you can just plug your PHP script into an HTML page and not have to know how your program reads the information at all. This makes web programming easier for PHP, but the PHP interpreter is written in C, which does all the heavy lifting, so logically if PHP can do server-side scripting, so can C. Since most other languages are written in C, they too can do server-side scripting. (And since C compiles down to assembly, assembly can do it too, and so can any language that compiles down to assembly. Which is all of them not already covered.)