php - How to format $output the right way? -


i not know php, googling codes, , came on need in wordpress site. code shows nothing, neither brokes site, think not correct can me. here code:

$output.=       '<div class="column1">'        $categories = get_the_category();       $separator = ' ';       $output = '';       if($categories) {          $output .= '<div class="above-entry-meta"><span class="cat-links">';          foreach($categories $category) {                $output .= '<a href="'.get_category_link( $category->term_id ).'"  rel="category tag">'.$category->cat_name.'</a>'.$separator;             }       }          $output .='</span></div>';  $output.=       '</div> <!-- end column1 -->';

i want output current post categories via shortcode, , 1 part of same. need on how goes example, ll able continue codding following example.

try code

$output = ''; $output .=  '<div class="column1">'; $args = array( 'orderby' => 'count', 'order' => 'desc', 'number' => 5 ); $categories = get_the_category($args); $separator = ' '; if($categories) { $output .= '<div class="above-entry-meta"><span class="cat-links">';  foreach($categories $category) {    $output .= '<a href="'.get_category_link( $category->term_id ).'"  rel="category tag">'.$category->cat_name.'</a>'.$separator;  } } $output .='</span></div>';  $output.=       '</div> <!-- end column1 -->';

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