bw_get_categories() – Get the list of categories for this "post" as a string of slugs separated by commas

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Description

Get the list of categories for this "post" as a string of slugs separated by commas

Usage

$string = bw_get_categories();

Parameters

Returns

string comma separated list of categories for the global post

Source

File name: oik/includes/bw_posts.php
Lines:

function bw_get_categories() {
  global $post;
  bw_trace2( $post, "global post", false, BW_TRACE_DEBUG );
  //  bw_backtrace();
  if ( $post ) {
    $categories = get_the_category( $post->ID );
    $cats = '';
    foreach ( $categories as $category ) {
      $cats .= $category->slug;
      $cats .= ' ';
    }  
    $cats = trim( $cats );
    $cats = str_replace( ' ',',', $cats );
  } else {
    $cats = null;
  }    
  return bw_trace2( $cats, null, false, BW_TRACE_DEBUG );
}
 

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