/**
* Clears the shortcode memory at the beginning of each call to the_content.
*
* This is required when there are several parts of the page that are
* rendered via the_content, e.g. a main content and a footer area (this
* is a theme-specific scenario). Or if the page contains an excerpt and a
* main content block, ...
*
* @since 1.0.0
* @param string $content The page content
* @return string Value of $content (unmodified)
*/
public function clear_content_memory($content)
{
global $wp_current_filter;
$reset = false;
// Correctly handle nesting.
foreach ($wp_current_filter as $filter) {
if ('the_content' === $filter) {
if ($reset) {
/*
* the_content is called inside the_content.
* Don't reset again!
* This can happen for example: A shortcode parses the
* return code via apply_filters( 'the_content' )
*/
$reset = false;
break;
} else {
$reset = true;
}
}
}
if ($reset) {
MS_Helper_Shortcode::reset_shortcode_usage();
}
return $content;
}
