If you want to display the tags in drop down menu then use following code in functions.php file.


<?php
function dropdown_tag_cloud( $args = '' ) {
$defaults = array(
'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,
'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC',
'exclude' => '', 'include' => ''
);
$args = wp_parse_args( $args, $defaults );

$tags = get_tags( array_merge($args, array('orderby' => 'count', 'order' => 'DESC')) ); // Always query top tags

if ( empty($tags) )
return;

$return = dropdown_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args
if ( is_wp_error( $return ) )
return false;
else
echo apply_filters( 'dropdown_tag_cloud', $return, $args );
}

function dropdown_generate_tag_cloud( $tags, $args = '' ) {
global $wp_rewrite;
$defaults = array(
'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,
'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC'
);
$args = wp_parse_args( $args, $defaults );
extract($args);

if ( !$tags )
return;
$counts = $tag_links = array();
foreach ( (array) $tags as $tag ) {
$counts[$tag->name] = $tag->count;
$tag_links[$tag->name] = get_tag_link( $tag->term_id );
if ( is_wp_error( $tag_links[$tag->name] ) )
return $tag_links[$tag->name];
$tag_ids[$tag->name] = $tag->term_id;
}

$min_count = min($counts);
$spread = max($counts) - $min_count;
if ( $spread <= 0 )
$spread = 1;
$font_spread = $largest - $smallest;
if ( $font_spread <= 0 )
$font_spread = 1;
$font_step = $font_spread / $spread;

// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
if ( 'name' == $orderby )
uksort($counts, 'strnatcasecmp');
else
asort($counts);

if ( 'DESC' == $order )
$counts = array_reverse( $counts, true );

$a = array();

$rel = ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) ? ' rel="tag"' : '';

foreach ( $counts as $tag => $count ) {
$tag_id = $tag_ids[$tag];
$tag_link = clean_url($tag_links[$tag]);
$tag = str_replace(' ', ' ', wp_specialchars( $tag ));
$a[] = "t<option value='$tag_link'>$tag ($count)</option>";
}

switch ( $format ) :
case 'array' :
$return =& $a;
break;
case 'list' :
$return = "<ul class='wp-tag-cloud'>nt<li>";
$return .= join("</li>nt<li>", $a);
$return .= "</li>n</ul>n";
break;
default :
$return = join("n", $a);
break;
endswitch;

return apply_filters( 'dropdown_generate_tag_cloud', $return, $tags, $args );
}
?>

In footer or sidebar file or where you want to display the tags in dropdown use the following code.


<select name="tag-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">
<option value="#">Liste d'auteurs</option>
<?php dropdown_tag_cloud('number=0&order=asc'); ?>
</select>

Written by Purab Kharat

I Purab am from India, Pune. I am WordPress and Drupal Architect and consultant. I worked on many technologies like Ruby on Rails, Flex, PHP, jQuery etc... Senior Technical Lead at Smartsourcing Global Pvt Ltd in Princeton, NJ, USA.I contributed to many wordpress plugins and Drupal Modules. I contributed to Drupal core also.Connect to purab on LinkedIn or Follow @purab on Twitter or Follow me on Google+ or Write Mail to purabdk@gmail.com or Chat with me on Skype : purabdk

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