core-bundle/src/Resources/contao/dca/tl_opt_in.php
public function resendButton($row, $href, $label, $title, $icon, $attributes)
	{
		return (!$row['confirmedOn'] &&!$row['invalidatedThrough'] && $row['emailSubject'] && $row['emailText'] && $row['createdOn'] > strtotime('-24 hours')) ? '<a href="'.$this->addToUrl($href.'&amp;id='.$row['id']).'" title="'.Contao\StringUtil::specialchars($title).'"'.$attributes.'>'.Contao\Image::getHtml($icon, $label).'</a> ' : '';
	}
public function resendButton($row, $href, $label, $title, $icon, $attributes)
	{
		return (!$row['confirmedOn'] &&!$row['invalidatedThrough'] && $row['emailSubject'] && $row['emailText'] && $row['createdOn'] > strtotime('-24 hours')) ? '<a href="'.$this->addToUrl($href.'&amp;id='.$row['id']).'" title="'.Contao\StringUtil::specialchars($title).'"'.$attributes.'>'.Contao\Image::getHtml($icon, $label).'</a> ' : '';
	}
Return the resend token button

@param array  $row
@param string $href
@param string $label
@param string $title
@param string $icon
@param string $attributes

@return string