2020-12-14 21:59:16 +00:00
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<?php
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ini_set('display_errors', '1');
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ini_set('display_startup_errors', '1');
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error_reporting(E_ALL);
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?>
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<!DOCTYPE HTML>
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<html lang="en">
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<link rel="stylesheet" type="text/css" href="assets/style.css">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="description" content="a search engine">
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<title>searpl</title>
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<div class='wrapper'>
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<h1>searpl</h1>
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<div class='box search-container'>
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<form action="./">
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<input type="text" placeholder="Search.." name="q" value="<?php if (isset($_GET['q'])) {echo htmlspecialchars($_GET['q']); } ?>">
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<button type="submit"><i class="fa fa-search"></i></button>
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</form>
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</div>
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<?php
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if (isset($_GET['q']) && preg_replace('/\s+/', '', $_GET['q']) != '') {
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$db = new PDO("sqlite:db.sqlite");
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$sql = 'SELECT * FROM indexed WHERE 1=1';
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2020-12-15 03:07:22 +00:00
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$terms = explode(' ', trim(preg_replace('/\s+/', ' ', $_GET['q'])));
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2020-12-14 21:59:16 +00:00
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$params = array();
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foreach ($terms as $term) {
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if (substr($term, 0, 1) == '-') {
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$sql = $sql . ' AND content NOT LIKE ?';
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array_push($params,'%'.substr($term,1).'%');
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} else {
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$sql = $sql . ' AND content LIKE ?';
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array_push($params,'%'.$term.'%');
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}
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}
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$sql = $sql . ';';
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING );
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$stmt = $db->prepare($sql);
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$stmt->execute($params);
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2020-12-14 22:50:06 +00:00
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$rows = array();
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$scores = array();
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2020-12-14 21:59:16 +00:00
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while ($row = $stmt->fetch()) {
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2020-12-14 22:50:06 +00:00
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$score = 0;
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foreach ($terms as $param)
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$score = $score + substr_count($row['content'],$param);
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array_push($scores, $score);
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$row['score'] = $score;
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array_push($rows, $row);
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}
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array_multisort($scores, SORT_DESC, $rows);
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$results = false;
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foreach ($rows as $row) {
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2020-12-14 21:59:16 +00:00
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$results = true;
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2020-12-14 22:50:06 +00:00
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if (substr($row['url'],-1,1)=='/')
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continue
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2020-12-14 21:59:16 +00:00
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?>
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<div class='box'>
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<a href="<?php echo htmlspecialchars($row['url']); ?>"><?php echo htmlspecialchars($row['title']); ?></a>
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<br>
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2020-12-14 22:50:06 +00:00
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<small>(score: <?php echo $row['score']; ?>) <?php echo htmlspecialchars($row['url']); ?></small>
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<br>
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2020-12-14 21:59:16 +00:00
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...<?php
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$content = $row['content'];
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foreach ($terms as $param) {
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$pos = strpos($content, $param);
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if ($pos !== false) {
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echo htmlspecialchars(substr($content,$pos-50,50));
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echo '<strong>'.htmlspecialchars($param).'</strong>';
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echo htmlspecialchars(substr($content,$pos+strlen($param),50)).'...';
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}
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}
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?>
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</div>
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<?php
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}
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if (!$results)
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echo '<div class="box">No results.</div>';
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}
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?>
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</div>
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