index.php <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"><head> <title>Search</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="style.css"/></head><body> <form action="search.php" method="GET"> <input type="text" name="query" /> <input type="submit" value="Search" /> </form></body></html>
search.php
<?php mysql_connect("localhost", "root", "") or die("Error connecting to database: ".mysql_error()); /* localhost - it's location of the mysql server, usually localhost root - your username third is your password if connection fails it will stop loading the page and display an error */ mysql_select_db("tutorial_search") or die(mysql_error()); /* tutorial_search is the name of database we've created */?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><head> <title>Search results</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="style.css"/></head><body><?php $query = $_GET['query']; // gets value sent over search form $min_length = 3; // you can set minimum length of the query if you want if(strlen($query) >= $min_length){ // if query length is more or equal minimum length then $query = htmlspecialchars($query); // changes characters used in html to their equivalents, for example: < to > $query = mysql_real_escape_string($query); // makes sure nobody uses SQL injection $raw_results = mysql_query("SELECT * FROM articles WHERE (`title` LIKE '%".$query."%') OR (`text` LIKE '%".$query."%')") or die(mysql_error()); // * means that it selects all fields, you can also write: `id`, `title`, `text` // articles is the name of our table // '%$query%' is what we're looking for, % means anything, for example if $query is Hello // it will match "hello", "Hello man", "gogohello", if you want exact match use `title`='$query' // or if you want to match just full word so "gogohello" is out use '% $query %' ...OR ... '$query %' ... OR ... '% $query' if(mysql_num_rows($raw_results) > 0){ // if one or more rows are returned do following while($results = mysql_fetch_array($raw_results)){ // $results = mysql_fetch_array($raw_results) puts data from database into array, while it's valid it does the loop echo "<p><h3>".$results['title']."</h3>".$results['text']."</p>"; // posts results gotten from database(title and text) you can also show id ($results['id']) } } else{ // if there is no matching rows do following echo "No results"; } } else{ // if query length is less than minimum echo "Minimum length is ".$min_length; }?></body></html> Enjoy ........................................ :)
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