Hola de nuevo! acabo de hacer las pruebas para este script y la revisión: nada raro pero no funciona ni muestra error. Tan sólo no encuentra los resultados.
Reconocéis el error vosotros? yo le he dado vueltas pero no acabo de ver qué se me pasa...
Código PHP:
<?php
/*****************************
* Simple SQL Search Tutorial by Frost
* of Slunked.com
******************************/
$dbHost = 'localhost'; // localhost will be used in most cases
// set these to your mysql database username and password.
$dbUser = 'searchuser';
$dbPass = 'searchpass';
$dbDatabase = 'searchdb'; // the database you put the table into.
$con = mysql_connect($dbHost, $dbUser, $dbPass) or trigger_error("Failed to connect to MySQL Server. Error: " . mysql_error());
mysql_select_db($dbDatabase) or trigger_error("Failed to connect to database {$dbDatabase}. Error: " . mysql_error());
// Set up our error check and result check array
$error = array();
$results = array();
// First check if a form was submitted.
// Since this is a search we will use $_GET
if (isset($_GET['search'])) {
$searchTerms = trim($_GET['search']);
$searchTerms = strip_tags($searchTerms); // remove any html/javascript.
if (strlen($searchTerms) < 3) {
$error[] = "Search terms must be longer than 3 characters.";
}else {
$searchTermDB = mysql_real_escape_string($searchTerms); // prevent sql injection.
}
// If there are no errors, lets get the search going.
if (count($error) < 1) {
$searchSQL = "SELECT sid, sbody, stitle, sdescription FROM simple_search WHERE ";
// grab the search types.
$types = array();
$types[] = isset($_GET['body'])?"`sbody` LIKE '%{$searchTermDB}%'":'';
$types[] = isset($_GET['title'])?"`stitle` LIKE '%{$searchTermDB}%'":'';
$types[] = isset($_GET['desc'])?"`sdescription` LIKE '%{$searchTermDB}%'":'';
$types = array_filter($types, "removeEmpty"); // removes any item that was empty (not checked)
if (count($types) < 1)
$types[] = "`sbody` LIKE '%{$searchTermDB}%'"; // use the body as a default search if none are checked
$andOr = isset($_GET['matchall'])?'AND':'OR';
$searchSQL .= implode(" {$andOr} ", $types) . " ORDER BY `stitle`"; // order by title.
$searchResult = mysql_query($searchSQL) or trigger_error("There was an error.<br/>" . mysql_error() . "<br />SQL Was: {$searchSQL}");
if (mysql_num_rows($searchResult) < 1) {
$error[] = "The search term provided {$searchTerms} yielded no results.";
}else {
$results = array(); // the result array
$i = 1;
while ($row = mysql_fetch_assoc($searchResult)) {
$results[] = "{$i}: {$row['stitle']}<br />{$row['sdescription']}<br />{$row['sbody']}<br /><br />";
$i++;
}
}
}
}
function removeEmpty($var) {
return (!empty($var));
}
?>
<html>
<title>My Simple Search Form</title>
<style type="text/css">
#error {
color: red;
}
</style>
<body>
<?php echo (count($error) > 0)?"The following had errors:<br /><span id=\"error\">" . implode("<br />", $error) . "</span><br /><br />":""; ?>
<form method="GET" action="<?php echo $_SERVER['PHP_SELF'];?>" name="searchForm">
Search For: <input type="text" name="search" value="<?php echo isset($searchTerms)?htmlspecialchars($searchTerms):''; ?>" /><br />
Search In:<br />
Body: <input type="checkbox" name="body" value="on" <?php echo isset($_GET['body'])?"checked":''; ?> /> |
Title: <input type="checkbox" name="title" value="on" <?php echo isset($_GET['title'])?"checked":''; ?> /> |
Description: <input type="checkbox" name="desc" value="on" <?php echo isset($_GET['desc'])?"checked":''; ?> /><br />
Match All Selected Fields? <input type="checkbox" name="matchall" value="on" <?php echo isset($_GET['matchall'])?"checked":''; ?><br /><br />
<input type="submit" name="submit" value="Search!" />
</form>
<?php echo (count($results) > 0)?"Your search term: {$searchTerms} returned:<br /><br />" . implode("", $results):""; ?>
</body>
</html>