February 12, 2011 
Definition:
function the_date( $d = '', $before = '', $after = '', $echo = true ) {}
Display or Retrieve the date the current $post was written (once per date)
Will only output the date if the current post’s date is different from the previous one output.
Parameters
- string $d: Optional. PHP date format defaults to the date_format option if not specified.
- string $before: Optional. Output before the date.
- string $after: Optional. Output after the date.
- bool $echo: Optional, default is display. Whether to echo the date or return it.
Return values
returns:Null if displaying, string if retrieving.
Defined filters
- the_date
apply_filters('the_date', $the_date, $d, $before, $after)
Source code
function the_date( $d = '', $before = '', $after = '', $echo = true ) {
global $currentday, $previousday;
$the_date = '';
if ( $currentday != $previousday ) {
$the_date .= $before;
$the_date .= get_the_date( $d );
$the_date .= $after;
$previousday = $currentday;
$the_date = apply_filters('the_date', $the_date, $d, $before, $after);
if ( $echo )
echo $the_date;
else
return $the_date;
}
return null;
}
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