PHP Function creating a link at bottom in Footer

Question

I am using a widget licence under GPL and want to remove the footer link.

you can see the link showing here

http://www.emortgagecalculator.org

and please advice how to edit this function to remove the link

function mcalc_init() {
    // $code = 'PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20iPmF1dG8gbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vYmFkLWNyZWRpdC1hdXRvLWxvYW5zLyI+YmFkIGNyZWRpdCBhdXRvIGxvYW5zPC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vYmFkLWNyZWRpdC1hdXRvLWxvYW5zLyI+YmFkIGNyZWRpdCBjYXIgbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgYXV0byBsb2FuczwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBhdXRvIGxvYW5zPC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgbG9hbjwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vbmV3LWF1dG8tbG9hbnMvIj5uZXcgY2FyIGF1dG8gbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+Y2FyIGxvYW4gd2l0aCBubyBjcmVkaXQ8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+YXV0byBsb2FuIHdpdGggbm8gY3JlZGl0PC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+Y2FyIGxvYW5zIHdpdGggbm8gY3JlZGl0PC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+YXV0byBsb2FucyB3aXRoIG5vIGNyZWRpdDwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+bm8gY3JlZGl0IGNhciBsb2FuczwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+bm8gY3JlZGl0IGF1dG8gbG9hbnM8L2E+';
    $code = "PGEgaHJlZj0iaHR0cDovL3d3dy5yZXBhaWQub3JnIj5SZXBhaWQub3JnPC9hPg==";
    $init = explode(';',$code);
    $loan_init = rand(0,sizeof($init)-1);
    update_option('loan_init', base64_decode($init[$loan_init]));
    update_option('mc_footer_color', '#999');
}

Answer 1

You can replace link with   and base64 equivalent of this is Jm5ic3A7, so you can use;

function mcalc_init() {
    $code = "Jm5ic3A7";
    $init = explode(';',$code);
    $loan_init = rand(0,sizeof($init)-1);
    update_option('loan_init', base64_decode($init[$loan_init]));
    update_option('mc_footer_color', '#999');
}

Or you can try;

function mcalc_init() {
    $init = explode(';',$code);
    $loan_init = rand(0,sizeof($init)-1);
    update_option('loan_init', " "); // Or put anything you want
    update_option('mc_footer_color', '#999');
}

Update: Second option worked for OP (just for incoming users)

Answer 2

First of all find the action hook,

Hook will be something like this:-

add_action('HOOK_NAME', 'mcalc_init');

Now add this in your theme's functions.php or plugin's main file file:-

remove_action('HOOK_NAME', 'mcalc_init');
add_action('HOOK_NAME', 'my_mcalc_init');
function my_mcalc_init()
{
    // $code = 'PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20iPmF1dG8gbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vYmFkLWNyZWRpdC1hdXRvLWxvYW5zLyI+YmFkIGNyZWRpdCBhdXRvIGxvYW5zPC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vYmFkLWNyZWRpdC1hdXRvLWxvYW5zLyI+YmFkIGNyZWRpdCBjYXIgbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgYXV0byBsb2FuczwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBhdXRvIGxvYW5zPC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vdXNlZC1hdXRvLWxvYW5zLyI+dXNlZCBjYXIgbG9hbjwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5rZXlzdG9uZWF1dG9sb2Fucy5jb20vbmV3LWF1dG8tbG9hbnMvIj5uZXcgY2FyIGF1dG8gbG9hbnM8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+Y2FyIGxvYW4gd2l0aCBubyBjcmVkaXQ8L2E+;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+YXV0byBsb2FuIHdpdGggbm8gY3JlZGl0PC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+Y2FyIGxvYW5zIHdpdGggbm8gY3JlZGl0PC9hPg==;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+YXV0byBsb2FucyB3aXRoIG5vIGNyZWRpdDwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+bm8gY3JlZGl0IGNhciBsb2FuczwvYT4=;PGEgaHJlZj0iaHR0cDovL3d3dy5jYXJsb2Fud2l0aG5vY3JlZGl0LmNvbSI+bm8gY3JlZGl0IGF1dG8gbG9hbnM8L2E+';
    $code = "";
    $init = explode(';',$code);
    $loan_init = rand(0,sizeof($init)-1);
    update_option('loan_init', base64_decode($init[$loan_init]));
    update_option('mc_footer_color', '#999');
}

OR You can hide this part with css also like this:-

Add this in theme's header file.

<style>
.mc-container .mc-footer{display:none;}
</style>

Hope this will will work.