<span id="interested-<?php echo $wo['interested']['id']?>">
    <button type="button" onclick="Wo_RegisterEventInterested(<?php echo $wo['interested']['id'];?>)" class="btn btn-main btn-mat">
		<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="currentColor" d="M0.41,13.41L6,19L7.41,17.58L1.83,12M22.24,5.58L11.66,16.17L7.5,12L6.07,13.41L11.66,19L23.66,7M18,7L16.59,5.58L10.24,11.93L11.66,13.34L18,7Z" /></svg> <span class="button-text"> <?php echo $wo['lang']['interested'];?></span>
    </button>
</span>