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*
* @param string $reason The reason for redirecting away.
* @param string $to_url The URL to redirect to.
*
* @return void
*/
private function redirect_away( $reason, $to_url = '' ) {
if ( empty( $to_url ) ) {
$to_url = \get_home_url();
}
$this->redirect_helper->do_safe_redirect( $to_url, 301, 'Yoast Search Filtering: ' . $reason );
}
/**
* Limits the number of characters in the search query.
*
* @return void
*/
private function limit_characters() {
// We retrieve the search term unescaped because we want to count the characters properly. We make sure to escape it afterwards, if we do something with it.
$unescaped_s = \get_search_query( false );
// We then unslash the search term, again because we want to count the characters properly. We make sure to slash it afterwards, if we do something with it.
$raw_s = \wp_unslash( $unescaped_s );
if ( \mb_strlen( $raw_s, 'UTF-8' ) > $this->options_helper->get( 'search_character_limit' ) ) {
$new_s = \mb_substr( $raw_s, 0, $this->options_helper->get( 'search_character_limit' ), 'UTF-8' );
\set_query_var( 's', \wp_slash( \esc_attr( $new_s ) ) );
}
}
/**
* Determines if a text string contains an emoji or not.
*
* @param string $text The text string to detect emoji in.
*
* @return bool
*/
private function has_emoji( $text ) {
$emojis_regex = '/([^-\p{L}\x00-\x7F]+)/u';
\preg_match( $emojis_regex, $text, $matches );
return ! empty( $matches );
}
}
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