Answers for "wordpress theme based url"

wordpress get template url

// Get template directory example:
<img src="<?php echo get_template_directory_uri(); ?>/images/logo.png" />

// If you use child theme you will have to use another function:
<img src="<?php echo get_stylesheet_directory_uri(); ?>/images/logo.png" />

wordpress get theme uri

<img src="<?php echo get_template_directory_uri(); ?>/images/logo.png">