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The comments_template filter can be used to load a custom template form a plugin which replace the themes default comment template.
A plugin can register as a content filter with the code:
<?php add_filter( "comments_template", "my_plugin_comment_template" ); ?>
Where my_plugin_comment_template is the function WordPress should call when the comment_template() function is called on the theme. Note that the filter function the plugin defines must return the a full path to a template file or the resulting page will be blank.
<?php
function my_plugin_comment_template( $comment_template ) {
global $post;
if ( !( is_singular() && ( have_comments() || 'open' == $post->comment_status ) ) ) {
return;
}
if($post->post_type == 'business'){ // assuming there is a post type called business
return dirname(__FILE__) . '/reviews.php';
}
}
add_filter( "comments_template", "my_plugin_comment_template" );
?>
The example code will load the template file reviews.php located in your plugins folder for CPT called business else uses default template.
