Formattare datetime di mysql in php

[ggimigli]

query = "SELECT date_format(post_date,'%d/m/%Y') data,wp_posts.* FROM wp_posts WHERE post_type='post' ORDER BY post_date"; 
$result = mysql_query($query); 
while ( $data=mysql_fetch_array($result)) 
{ 
echo '<a>'.$data['data'].'</a> ; 
}