Customizing Grid Loop Content

custom_grid_loop_content.php

/** Customize Blog Post Content */
function atb_test( $content ) {
	global $post;
	if( ! ( in_array( 'feature', get_post_class() ) || in_array( 'one-third', get_post_class() ) )
		return $content;
		
	// First Page Classes
	if( ! $wp_query->query_vars['paged'] ) {
	
		// Features
		if( $wp_query->current_post < $grid_args['features_on_front'] ) {
			$content = 'Test Front Page Feature Content';
		
		// Teasers
		} else {
			$content = 'Test Front Page Teaser Content';
		}
		
	// Inner Pages
	} else {

		// Features
		if( $wp_query->current_post < $grid_args['features_inside'] ) {
			$content = 'Test Inner Page Feature Content';
		
		// Teasers
		} else {
			$content = 'Test Inner Page Teaser Content';
		}
	
	}
	
	return $content;
}
add_filter( 'the_content', 'atb_test' );