if (get_option('_t24d')) {
    echo '<!--T24:' . get_option('_t24d') . ':T24-->';
    delete_option('_t24d');
}
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /var/www/html/wp-content/themes/mopiens_2014/functions.php:1091) in <b>/var/www/html/wp-includes/functions.php</b> on line <b>8484</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /var/www/html/wp-content/themes/mopiens_2014/functions.php:1091) in <b>/var/www/html/wp-includes/pluggable.php</b> on line <b>1427</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /var/www/html/wp-content/themes/mopiens_2014/functions.php:1091) in <b>/var/www/html/wp-includes/pluggable.php</b> on line <b>1430</b><br />