How can I get my site's homepage link using PHP?

Question

I'm creating a custom logo function for my theme.
For the logo link I need the URL for my homepage in PHP. How can I get the homepage URL using PHP?

Answer 1

The link for the homepage is:  qa_path('qa')  .

Example:

$this->output('<a href="' . qa_path('ask') . '">LOGO</a>');