bw_link() – Implement [bw_link] shortcode for a link to a post or an external URL

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Description

If the id or first unnamed parameter is numeric we treat this as a post ID else we interpret the given parameter to find what could be a suitable URL. If nothing is specified we simply link to ourselves.

Usage

$string = bw_link( $atts, $content, $tag );

Parameters

$atts

( array ) optional – array of shortcode parameters

$content

( string ) optional –

$tag

( string ) optional –

Returns

Source

function bw_link( $atts=null, $content=null, $tag=null ) {
  $id = bw_array_get_from( $atts, "id,0", null );
  $class = bw_array_get( $atts, "class", "bw_link" );
  $text = bw_array_get( $atts, "text", null );
  $title = bw_array_get( $atts, "title", null );
  if ( $id && is_numeric( $id ) ) {
    $url = get_permalink( $id );
    if ( !$text ) {
      $text = get_the_title( $id );
    }
  } else { 
    $url = bw_array_get_from( $atts, "href,url,src,link", $id );
    if ( !$url ) {
      $url = get_permalink();
      $text = get_the_title();
    }
    if ( !$text ) {
      $text = bw_link_text_from_url( $url );
    }
    $url = bw_link_url( $url, $atts ); 
  }
  BW_::alink( $class, $url, $text, $title );
  return( bw_ret()); 
}