Get category url in loop

我需要获取类别url，以便将其放入元代码段中。现在，span内的输出是带有url的标记。我只需要获取不带标记的url，并将其放入$cat\\u display中。我尝试使用2个选项，但会看到一个错误：注意：尝试获取非对象的属性

// Get post category info
$category = get_the_category();

if(!empty($category)) {
        // Get last category post is in
        $last_category = $category[count($category) - 1];

        // Get parent any categories and create array
        $get_cat_parents = rtrim(get_category_parents($last_category->term_id, true, \',\'),\',\');
        $cat_parents = explode(\',\',$get_cat_parents);

        //$category_link = get_category_link( $category_id );
        $cat_parents_url = get_category_link($cat_parents->term_id);
        // Loop through parent categories and store in variable $cat_display
        $cat_display = \'\';
        foreach($cat_parents as $parents) {
                $cat_display .= \'<li class="item-cat" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><span itemprop="item"><span itemprop="name">\'.$parents .\'</span></span><meta itemprop="position" content="\'. $counter++ .\'" /></li>\';
                $cat_display .= \'<li class="separator"> \' . $separator . \' </li>\';
        }

}

// Get post category info $category = get_the_category(); if(!empty($category)) { // Get last category post is in $last_category = $category[count($category) - 1]; // Get parent any categories and create array $get_cat_parents = rtrim(get_category_parents($last_category->term_id, false, \',\'),\',\'); $cat_parents = explode(\',\',$get_cat_parents); $cat_display = \'\'; $separator = \', \'; // not defined; so I defined it here. $counter = 0; // not defined; so I defined it here. foreach($cat_parents as $slug) { $term = get_category_by_slug( $slug ); if ( ! $term ) { continue; } $cat_url = esc_url( get_category_link( $term->term_id ) ); $cat_display .= \'<li class="item-cat" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><span itemprop="item"><span itemprop="name">\'.$cat_url .\'</span></span><meta itemprop="position" content="\'. $counter++ .\'" /></li>\'; $cat_display .= \'<li class="separator"> \' . $separator . \' </li>\'; } echo $cat_display; // test }

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