@'), array(' ', "\n"), apply_filters('the_content', $post->post_content))) : '');
// Search content for terms
$terms = $wp_query->query_vars['search_terms'];
if ( preg_match_all('/'.str_replace('/', '\/', join('|', $terms)).'/i', $content, $matches, PREG_OFFSET_CAPTURE) ) {
$padding = max($min_padding, $max_length / (2*count($matches[0])));
// Construct extract containing context for each term
$output = '';
$last_offset = 0;
foreach ( $matches[0] as $match ) {
list($string, $offset) = $match;
$start = $offset-$padding;
$end = $offset+strlen($string)+$padding;
// Preserve whole words
while ( $start > 1 && preg_match('/[A-Za-z0-9\'"-]/', $content{$start-1}) ) $start--;
while ( $end < strlen($content)-1 && preg_match('/[A-Za-z0-9\'"-]/', $content{$end}) ) $end++;
$start = max($start, $last_offset);
$context = substr($content, $start, $end-$start);
if ( $start > $last_offset ) $context = '...'.$context;
$output .= $context;
$last_offset = $end;
}
if ( $last_offset != strlen($content)-1 ) $output .= '...';
} else {
$output = $content;
}
if ( strlen($output) > $max_length ) {
$end = $max_length-3;
while ( $end > 1 && preg_match('/[A-Za-z0-9\'"-]/', $output{$end-1}) ) $end--;
$output = substr($output, 0, $end) . '...';
}
// Highlight matches
$context = nl2br(preg_replace('/'.str_replace('/', '\/', join('|', $terms)).'/i', '$0', $output));
?>
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