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= $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 $raw_results = mysql_query("SELECT * FROM products WHERE (`PartNumber` LIKE '%".$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 “

“.$results[‘PartNumber’].”

“.$results[‘text’].”

“;
// 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;
}
?>