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<?php
if(!isset($_GET['s'])) {
die('You must define a search term!');
}
$highlight = true;//highlight results or not
$search_in = array('html', 'htm');//allowable filetypes to search in
$search_dir = '..';//starting directory
$recursive = true;//should it search recursively or not
define('SIDE_CHARS', 15);
$file_count = 0;
$search_term = mb_strtolower($_GET['s'], 'UTF-8');
if ($search_term == "?s="){
$search_term = "";
}
$search_term = preg_replace( '/^\/$/','"/"', $search_term );
$search_term_length = strlen($search_term);
$final_result = array();
$files = list_files($search_dir);
foreach($files as $file){
if ( 0 == filesize( $file )){
continue;
}
if (strpos($file,"index.html") !== false){
continue;
}
$contents = file_get_contents($file);
preg_match("/\<title\>(.*)\<\/title\>/", $contents, $page_title); //getting page title
if (preg_match("#\<body.*\>(.*)\<\/body\>#si", $contents, $body_content)){ //getting content only between <body></body> tags
$clean_content = strip_tags($body_content[0]); //remove html tags
$clean_content = preg_replace( '/\s+/', ' ', $clean_content ); //remove duplicate whitespaces, carriage returns, tabs, etc
//$found = strpos_recursive($clean_content, $search_term);
$found = strpos_recursive(mb_strtolower($clean_content, 'UTF-8'), $search_term);
$final_result[$file_count]['page_title'][] = $page_title[1];
//href for liveSearch or simple
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true"){
$final_result[$file_count]['file_name'][] = preg_replace( "/^.{3}/", "\\1", $file );
}
else{
$final_result[$file_count]['file_name'][] = $file;
}
}
if($found && !empty($found)) {
for ($z = 0; $z < count($found[0]); $z++){
$pos = $found[0][$z][1];
$side_chars = SIDE_CHARS;
if ($pos < SIDE_CHARS){
$side_chars = $pos;
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true"){
$pos_end = SIDE_CHARS + $search_term_length+15;
}
else{
$pos_end = SIDE_CHARS*9 + $search_term_length;
}
}else{
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true"){
$pos_end = SIDE_CHARS + $search_term_length+15;
}
else{
$pos_end = SIDE_CHARS*9 + $search_term_length;
}
}
$pos_start = $pos - $side_chars;
$str = substr($clean_content, $pos_start, $pos_end);
$result = preg_replace('#'.$search_term.'#ui', '<span class="search">\0</span>', $str);
//$result = preg_replace('#'.$search_term.'#ui', '<span class="search">'.$search_term.'</span>', $str);
$final_result[$file_count]['search_result'][] = $result;
}
} else {
$final_result[$file_count]['search_result'][] = '';
}
$file_count++;
}
if ($file_count > 0){
//Sort final result
foreach ($final_result as $key => $row) {
$search_result[$key] = $row['search_result'];
}
array_multisort($search_result, SORT_DESC, $final_result);
}
?>
<div id="search-results">
<?php if(count($final_result) > 0 and isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true" ){
echo "<div class='search-quick-result'>Quick Results</div>";
} ?>
<ol class="search_list">
<?php
$sum_of_results = 0;
$match_count = 0;
for ($i=0; $i < count($final_result); $i++){
if (!empty($final_result[$i]['search_result'][0]) || $final_result[$i]['search_result'][0] !== ''){
$match_count++;
$sum_of_results+=count($final_result[$i]['search_result']);
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true" and $i > 3){}
else{
?>
<?php
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true"){
?>
<li class="result-item">
<a target="_top" href="<?php echo $final_result[$i]['file_name'][0]; ?>" class="search_link">
<div class="search_title"><?php echo $final_result[$i]['page_title'][0]; ?></div>
<p>...<?php echo $final_result[$i]['search_result'][0]; ?>...</p>
</a>
</li>
<?php
} else {
?>
<li class="result-item">
<h5 class="search_title"><a target="_top" href="<?php echo str_replace("../", "./", $final_result[$i]['file_name'][0]); ?>" class="search_link"> <?php echo $final_result[$i]['page_title'][0]; ?> </a></h5>
<p>...<?php echo $final_result[$i]['search_result'][0]; ?>...</p>
<p class="match"><em>Terms matched: <?php echo count($final_result[$i]['search_result']); ?> - URL: <?php echo $final_result[$i]['file_name'][0]; ?></em></p>
</li>
<?php
}
?>
<?php
}
}
}
if ($match_count == 0) {
echo '<li><div class="search_error">No results found for "<span class="search">'.$search_term.'</span>"<div/></li>';
}
?>
<?php
if(isset($_GET['liveSearch']) and $_GET['liveSearch'] == "true" and $match_count != 0){
?>
<li>
<a href="search.php?s=<?php echo $_GET['s'] ?>" class="search_submit">
<?php
echo "See other ";
echo $sum_of_results;
echo $sum_of_results < 2 ?" result on ":" results";
?>
</a>
</li>
<?php
}
?>
</ol>
</div>
<?php
//lists all the files in the directory given (and sub-directories if it is enabled)
function list_files($dir){
global $recursive, $search_in;
$result = array();
if(is_dir($dir)){
if($dh = opendir($dir)){
while (($file = readdir($dh)) !== false) {
if(!($file == '.' || $file == '..')){
$file = $dir.'/'.$file;
if(is_dir($file) && $recursive == true && $file != './.' && $file != './..'){
$result = array_merge($result, list_files($file));
}
else if(!is_dir($file)){
if(in_array(get_file_extension($file), $search_in)){
$result[] = $file;
}
}
}
}
}
}
return $result;
}
//returns the extention of a file
function get_file_extension($filename){
$result = '';
$parts = explode('.', $filename);
if(is_array($parts) && count($parts) > 1){
$result = end($parts);
}
return $result;
}
function strpos_recursive($haystack, $needle, $offset = 0, &$results = array()) {
$offset = stripos($haystack, $needle, $offset);
if($offset === false) {
return $results;
} else {
$pattern = '/'.$needle.'/ui';
preg_match_all($pattern, $haystack, $results, PREG_OFFSET_CAPTURE);
return $results;
}
}
?>