Using plugin theme to generate an image optional

pyrocms_theme_img_optional.php

Image traditional

{pyro:theme:image file="icons/{pyro:module_details:slug}.png" base="path"}

<?php

echo 'html_img_open' . 'path' . 'file' . 'html_img_close'; // image tag

?>

Image optional using the attribute: 'base="path?"'

{pyro:theme:image file="icons/{pyro:module_details:slug}.png" base="path?"}

<?php

if (is_file('file')) :
    echo 'html_img_open' . 'path' . 'file' . 'html_img_close'; // image tag
else:
    echo ''; // empty string
endif;

?>