protected function FetchItems($arrURLs, $numItems = 1)
{
// since 1.1.4
$strURLID = md5(serialize(is_string($arrURLs) ? array($arrURLs) : $arrURLs));
if (!isset($this->arrFeedItems[$strURLID])) {
$this->arrFeedItems[$strURLID] = (array) get_transient('RCWUserAds_' . $strURLID);
unset($this->arrFeedItems[$strURLID][0]);
// casting array causes the 0 key,
}
// If it's out of stock, fill the array by fetching the feed.
if (count($this->arrFeedItems[$strURLID]) < $numItems) {
$oReplace = new ResponsiveColumnWidgets_HTMLElementReplacer($this->strCharSet);
// When an array of urls is passed to the Simple Pie's set_feed_url() method, the memory usage increases largely.
// So fetch the feeds one by one per url and store the output into an array.
foreach ($arrURLs as $strURL) {
$oFeed = $this->GetFeedObj($strURL, $numItems * 20);
// multiplied by X to store items more than enough for next calls.
foreach ($oFeed->get_items() as $item) {
// foreach ( $oFeed->get_items( 0, $numItems * 3 ) as $item ) does not change the memory usage
$this->arrFeedItems[$strURLID][] = $oReplace->Perform($item->get_content());
}
// For PHP below 5.3 to release the memory.
$oFeed->__destruct();
// Do what PHP should be doing on it's own.
unset($oFeed);
}
unset($oReplace);
// This life span should be little longer than the feed cache life span, which is 1700.
set_transient('RCWUserAds_' . $strURLID, $this->arrFeedItems[$strURLID], 1800);
// 30 minutes
}
$strOut = '';
shuffle($this->arrFeedItems[$strURLID]);
for ($i = 1; $i <= $numItems; $i++) {
$strOut .= array_pop($this->arrFeedItems[$strURLID]);
}
return $strOut;
}
public function getWidgetsBufferAsArray($strSidebarID, $arrSidebarsWidgets, $arrShowOnlys, $arrOmits, $bRemoveIDAttributes)
{
// since 1.1.1, moved from the core class in 1.1.2
global $wp_registered_sidebars, $wp_registered_widgets;
// Variables
$arrWidgetBuffer = array();
// stores the returning widget buffer outputs, one key for one widget.
$arrSidebarInfo = isset($wp_registered_sidebars[$strSidebarID]) ? $wp_registered_sidebars[$strSidebarID] : array();
/*
$arrSidebarInfo contains the following keys ( the values are as an example ):
[name] => Responsive Column Widgets
[id] => responsive_column_widgets
[description] => The default widget box of Responsive Column Widgets.
[class] =>
[before_widget] => <aside id="%1$s" class="%2$s"><div class="widget">
[after_widget] => </div></aside>
[before_title] => <h3 class="widget-title">
[after_title] => </h3>
*/
$numWidgetOrder = 0;
// for the omit parameter
$bShowOnly = count($arrShowOnlys) > 0 ? True : False;
// if showonly is set, render only the specified widget id.
$this->arrIsPluginWidgetBoxWidget = array();
// Objects
$oReplace = new ResponsiveColumnWidgets_HTMLElementReplacer();
foreach ((array) $arrSidebarsWidgets[$strSidebarID] as $strWidgetID) {
if (!isset($wp_registered_widgets[$strWidgetID])) {
continue;
}
if (in_array(++$numWidgetOrder, $arrOmits)) {
continue;
}
// if the omit ids match, skip
if ($bShowOnly && !in_array($numWidgetOrder, $arrShowOnlys)) {
continue;
}
// if the show-only orders match, skip,
$arrParams = array_merge(array(array_merge($arrSidebarInfo, array('widget_id' => $strWidgetID, 'widget_name' => $wp_registered_widgets[$strWidgetID]['name']))), (array) $wp_registered_widgets[$strWidgetID]['params']);
// Substitute HTML id and class attributes into before_widget
$strClassName = '';
foreach ((array) $wp_registered_widgets[$strWidgetID]['classname'] as $cn) {
if (is_string($cn)) {
$strClassName .= '_' . $cn;
} elseif (is_object($cn)) {
$strClassName .= '_' . get_class($cn);
}
}
$strClassName = ltrim($strClassName, '_');
$arrParams[0]['before_widget'] = sprintf($arrParams[0]['before_widget'], '', $strClassName);
// the second parameter is for the backward compatibility.
// $arrParams[0]['before_widget'] = sprintf( $arrParams[0]['before_widget'], $strWidgetID, $strClassName );
$arrParams = apply_filters('dynamic_sidebar_params', $arrParams);
$vCallback = $wp_registered_widgets[$strWidgetID]['callback'];
do_action('dynamic_sidebar', $wp_registered_widgets[$strWidgetID]);
// since 1.1.3 - stores an array to check if the widget is the plugin widget-box widget that is added in v1.1.3.
// This will store true/false ( boolean ) in the array with the index that is same as the array storing the buffer.
// This flag array will be passed to a filter so that it can be captured from other places.
$this->arrIsPluginWidgetBoxWidget[] = isset($arrParams[0]['widget_id']) && preg_match('/^responsive_column_widget_box-\\d+/', $arrParams[0]['widget_id']);
ob_start();
if (is_callable($vCallback)) {
call_user_func_array($vCallback, $arrParams);
// will echo the widget.
$arrWidgetBuffer[] = $bRemoveIDAttributes ? $oReplace->RemoveIDAttributes(ob_get_contents()) : ob_get_contents();
// deletes the ID attributes here.
}
ob_end_clean();
}
// end of foreach()
return $arrWidgetBuffer;
}