public function __construct($data)
{
parent::__construct($data);
// Get the search term
$search_term = get_query_var('s');
// Sanitize the search term
$key = esc_html($search_term, 1);
// Number of characters before the highlighted text.
$this->chars_before = isset($data['chars_before']) ? $data['chars_before'] : 100;
// Excerpt total characters
$this->chars_total = isset($data['chars_total']) ? $data['chars_total'] : 250;
// Retrieve content and strip out all HTML
$content = strip_shortcodes(strip_tags(get_the_content()));
$content = preg_replace('/\\b(https?):\\/\\/[-A-Z0-9+&@#\\/%?=~_|$!:,.;]*[A-Z0-9+&@#\\/%=~_|$]/i', '', $content);
$content = preg_replace('|www\\.[a-z\\.0-9]+|i', '', $content);
// Get the position of the key inside of the content.
$key_position = stripos($content, $key);
$start = 0;
$length = $this->chars_total;
$before = '';
$after = ' …';
// If the key position is somewhere inside the content,
// the starting position is calculated based on the charsBefore value,
// and the SearchExcerpt needs a ellipsis prepended to it.
if ($key_position >= $this->chars_before) {
$start = $key_position - $this->chars_before;
$before = '… ';
}
// If our projected length is longer than the content string, then we don't need an ellipsis afterward,
// and the length of the substr needs to be adjusted.
if ($start + $this->chars_total > strlen($content)) {
$length = strlen($content) - $key_position;
$after = '';
}
// Get the part of the content that we'll use for the SearchExcerpt
$search_excerpt_raw = substr($content, $start, $length);
// Find matches for the search term.
preg_match_all("/{$key}+/i", $search_excerpt_raw, $matches);
$search_excerpt_highlights = '';
// If we have matches (we should), add a span to each match for special styles.
if (is_array($matches[0]) && count($matches[0]) >= 1) {
foreach ($matches[0] as $match) {
$search_excerpt_highlights = str_replace($match, '<strong class="highlighted">' . $match . '</strong>', $search_excerpt_raw);
}
}
// Build the search excerpt.
$search_excerpt = $before . $search_excerpt_highlights . $after;
$this->content = $search_excerpt;
}
public function __construct($data)
{
parent::__construct($data);
$this->content = get_the_excerpt();
}
