TARGET='_blank' in php
 how can i add in that code TARGET='_blank' that opens in new window and not at the same?

thats the code

    <a id="go" href="<?php echo site_url('external/url/'.$deal->id);?>">
TARGET='_blank' in php
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 how can i add in that code TARGET='_blank' that opens in new window and not at the same?

thats the code

    <a id="go" href="<?php echo site_url('external/url/'.$deal->id);?>">