90 lines
2.9 KiB
PHP
90 lines
2.9 KiB
PHP
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<?php
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require_once('database.php'); //connect to your database in this file
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define("NUMBER_PER_PAGE", 5); //number of records per page of the search results
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/****
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* Purpose: paginate a result set
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* Precondition: current page, total records, extra variables to pass in the page string
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* Postcondition: pagination is displayed
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****/
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function pagination($current_page_number, $total_records_found, $query_string = null)
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{
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$page = 1;
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echo "Page: ";
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for ($total_pages = ($total_records_found/NUMBER_PER_PAGE); $total_pages > 0; $total_pages--)
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{
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if ($page != $current_page_number)
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echo "<a href=\"?page=$page" . (($query_string) ? "&$query_string" : "") . "\">";
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echo "$page ";
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if ($page != $current_page_number)
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echo "</a>";
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$page++;
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}
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}
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echo "<h2>Search Members</h2>
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<form action='{$_SERVER['PHP_SELF']}' method='post'>
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<p>ID: <input type='text' name='id' /></p>
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<p>Username: <input type='text' name='username' /></p>
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<p>Email: <input type='text' name='email' /></p>
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<p align='center'>
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<input type='submit' name='submit' value='Search' />
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</p>
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</form>";
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/**
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* Display Search Results Below Here
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**/
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//load the current paginated page number
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$page = ($_GET['page']) ? $_GET['page'] : 1;
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$start = ($page-1) * NUMBER_PER_PAGE;
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/**
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* if we used the search form use those variables, otherwise look for
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* variables passed in the URL because someone clicked on a page number
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**/
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$id = ($_POST['id']) ? $_POST['id'] : $_GET['id'];
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$username = ($_POST['username']) ? $_POST['username'] : $_GET['username'];
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$email = ($_POST['email']) ? $_POST['email'] : $_GET['email'];
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$sql = "SELECT * FROM members WHERE 1=1";
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if ($id)
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$sql .= " AND id='" . mysql_real_escape_string($id) . "'";
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if ($username)
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$sql .= " AND username='" . mysql_real_escape_string($username) . "'";
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if ($email)
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$sql .= " AND email='" . mysql_real_escape_string($email) . "'";
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//this return the total number of records returned by our query
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$total_records = mysql_num_rows(mysql_query($sql));
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//now we limit our query to the number of results we want per page
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$sql .= " LIMIT $start, " . NUMBER_PER_PAGE;
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/**
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* Next we display our pagination at the top of our search results
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* and we include the search words filled into our form so we can pass
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* this information to the page numbers. That way as they click from page
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* to page the query will pull up the correct results
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**/
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pagination($page, $total_records, "id=$id&username=$username&email=$email");
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$loop = mysql_query($sql)
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or die ('cannot run the query because: ' . mysql_error());
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while ($record = mysql_fetch_assoc($loop))
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echo "<br/>{$record['id']}) " . stripslashes($record['username']) . " - {$record['email']}";
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echo "<center>" . number_format($total_records) . " search results found</center>";
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pagination($page, $total_records, "id=$id&username=$username&email=$email");
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?>
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