function sed_pcf_if_field_section($atts, $thing = '')
{
# Tests to see if there is a named section of the named custom field.
global $thisarticle;
extract(lAtts(array('custom' => '', 'section' => ''), $atts));
$cond = false;
$vars = @$thisarticle[$custom];
if (!empty($vars) and !empty($section)) {
$vars = sed_lib_extract_packed_variable_section($section, $vars);
$cond = is_array($vars);
}
return parse(EvalElse($thing, $cond));
}
function sed_copyright_date($atts)
{
# Outputs a blank string, a year or a year range according to
# the $atts input. By default will output a year range where the
# start year is the year of the first posted article in the TXP
# article database table and the end year is either...
# 1. The year from the lasmod date from the global variables
# or
# 2. The year that the last change to the article DB table was
# committed
#
# Of these, option 1 is faster but is not available to us if
# the TXP installation has comments updating the lastmod date.
global $thisarticle;
global $prefs;
global $is_article_list;
global $sed_copyright_owner;
$result = '';
$sed_copyright_owner = '';
extract(lAtts(array('debug' => '', 'custom' => '', 'start_year' => '', 'end_year' => '', 'date_type' => 'range', 'owner' => $prefs['sitename'], 'owner_href' => '', 'owner_title' => '', 'copy_text' => '©', 'order' => 'cdo', 'wraptag' => '', 'class' => 'copyright', 'custom' => ''), $atts));
$start_extra = '';
# Holds extra debug strings from date access routines.
$end_extra = '';
# Holds extra debug strings from date access routines.
if (!empty($debug)) {
echo "<br/>=== Copyright Date: Start Attributes ===<br/>\n";
print_r($atts);
echo "<br/>=== Copyright Date: End Attributes ===<br/>\n";
print_r("First post query:[" . SED_FIRST_POST_QUERY . "], Last mod query:[" . SED_LAST_MOD_QUERY . "]");
echo "<br/>=== Copyright Date: End Attributes ===<br/>\n";
}
# Call the date access routines. These will access the cached date variables if needed and also give extra information
# for debug in the $_extra strings.
if (empty($custom) or true == $is_article_list) {
$start = _get_start_year($start_year, $start_extra);
$end = _get_end_year($end_year, $end_extra);
} else {
# This section deals with article copyright processing. It looks in the named custom field for a section called 'copyright' and pulls
# any needed details from it. Defaults to the posted date and article author but that can be overidden.
# copyright(attrib1='val1';attrib2='val2')
# Valid attributes are...
# owner (if not supplied defaults to the article author.)
# owner_href and owner_title.
# start (if missing defaults to the year the article was posted)
# end (if missing defaults to the start year)
#
$packed_string = @$thisarticle[$custom];
$vars = sed_lib_extract_packed_variable_section('copyright', $packed_string);
$title = gAtt($vars, 'owner_title');
$href = gAtt($vars, 'owner_href');
$sed_copyright_owner = gAtt($vars, 'owner', get_author_name($thisarticle['authorid']));
if ($sed_copyright_owner and isset($href) and isset($title)) {
$sed_copyright_owner = _sed_build_href($sed_copyright_owner, $href, $title);
}
$start = gAtt($vars, 'start', date('Y', $thisarticle['posted']));
$end = gAtt($vars, 'start', $start);
$start_extra = '(start from custom field)';
$end_extra = '(end from custom field)';
}
# Only ouput the extra debug info if needed.
if (empty($debug)) {
$start_extra = '';
$end_extra = '';
}
# If a range has been requested and the start year is the same as the end year then compress the format...
if ($date_type == 'range' and $start === $end and $start_extra === $end_extra) {
$date_type = 'end';
}
# Do any other compressions as needed...
if (empty($start) && empty($end)) {
$date_type = 'none';
}
if (empty($start) && !empty($end)) {
$date_type = 'end';
}
if (!empty($start) && empty($end)) {
$date_type = 'start';
}
# Format the resulting date string...
switch ($date_type) {
case 'range':
$result = $start_extra . $start . '-' . $end_extra . $end;
break;
case 'start':
$result = $start_extra . $start;
break;
case 'end':
$result = $end_extra . $end;
break;
case 'none':
$result = '';
}
return $result;
}
