How to add a piece of code in function

Question

On the function below, after echo '</span>';, I want to add this a piece of code:

&nbsp;<a href="<?php $key="link"; echo get_post_meta($post->ID, $key, true); ?>" target="_blank">Images Source</a>

But I dunno how to do it, any suggestions on how to do this?

//echo '<div class="pull-left">';
        echo in_array( 'date',$meta_info ) ? sprintf( '<span class="post-meta-info posted-on">' . apply_filters('yt_icon_date_time', '<i class="fa fa-clock-o"></i>') . ' %1$s</span>',
            $time_string
        ) : '';
        if( in_array( 'comments',$meta_info ) ){
            echo '<span class="post-meta-info with-cmt">' . apply_filters('yt_icon_comment', '<i class="fa fa-comments"></i>') . ' ';
                comments_popup_link( __( '0 Comments', 'theme' ), __( '1 Comment', 'theme' ), __( '% Comments', 'theme' ));
            echo '</span>';
        }



    //echo '</div>';

Answer 1

if( in_array( 'comments',$meta_info ) ){
            $key="link";
            echo '<span class="post-meta-info with-cmt">' . apply_filters('yt_icon_comment', '<i class="fa fa-comments"></i>') . ' ';
                comments_popup_link( __( '0 Comments', 'theme' ), __( '1 Comment', 'theme' ), __( '% Comments', 'theme' ));
            echo '</span>';
            echo '&nbsp;<a href="'. get_post_meta($post->ID, $key, true) .'" target="_blank">Images Source</a>' . "\n";
        }

Try this code once. I modified the code with your supplied content.