Format the 'Submitted by' info of a Node in theme

Below is an example of API use which returns the theme 'submitted-by' string for a node. In your theme's template.php you can specify the API phptemplate_node_submitted($node) The usage is as below.

/**
 * Format the submitted by site wide
 */ 
function phptemplate_node_submitted($node) { 
  // Specific to the node type.
  if ($node->type == 'blog') { 
    $submittedBy = 'Posted by ' . theme('username', $node) . ', ' . date('F j', $node->created); 
  } else { 
    $submittedBy = 'By ' . theme('username', $node) . ', ' . date('F,Y', $node->created);
  }   
  return $submittedBy;
}