Text andern im Theme

?>
<nav class="sort_by_cat grid-1-1" data-for="#<?php echo $main_id ?>">
    <span class="inner-wrapper">
<span class="cat"><a data-value="all" href="#" class="active"><?php _e('All', 'health-center')?></a></span>
<?php
// show the categories present in this listing
$terms = array();
if (!empty($cat) && $cat != 'null') {
foreach($cat as $term_slug) {
$term = get_term_by('slug', $term_slug, 'portfolio_category');
if($term)
$terms[] = $term;
}
} else {
$terms = get_terms('portfolio_category', 'hide_empty=1');
}
?>
<?php foreach($terms as $term): ?>
<span class="cat"><a data-value="<?php echo preg_replace('/[\pZ\pC]+/u', '-', $term->slug)?>" href="#"><?php echo $term->name?></a></span>
<?php endforeach ?>
    </span>
</nav>