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I create more 3 files called config1.php, common1.php and database1.php respectively in order to test. All of them have the same code from config.php, common.php and database.php

 

next, I use include function to called config1 file (config1.php) in search.php and remove sesstion_start() in config1.php file, put the session_start function in database1.php and common1.php following the advise, then test:

 

search_code5.jpg

 

The error message said that I do not need the sesstion_start() in both database1.php and common1.php, so I remmove the function. Finally, there is no error message when I test :

 

search_fix1.jpg

 

But error paging is still appearing, when I click on page 2 for example, the page turns out nothing again:

 

search_error1.jpg

 

I noticed that the address bar which is

 

   

 

is missing search value, so address bar shoud show the link:

 

   

 

How can I add the search value after http://yoongda.com/search.php?page=2& such as search=a ?

 

this is my common1.php which contains  paging function.

 

[code]<?php
/*
Contain the common functions 
required in shop and admin pages
*/
require_once 'config1.php';
require_once 'database1.php';

/*
Make sure each key name in $requiredField exist
in $_POST and the value is not empty
*/
function checkRequiredPost($requiredField) {
$numRequired = count($requiredField);
$keys        = array_keys($_POST);

$allFieldExist  = true;
for ($i = 0; $i < $numRequired && $allFieldExist; $i++) {
	if (!in_array($requiredField[$i], $keys) || $_POST[$requiredField[$i]] == '') {
		$allFieldExist = false;
	}
}

return $allFieldExist;
}

function getShopConfig()
{
// get current configuration
$sql = "SELECT sc_name, sc_address, sc_phone, sc_email, sc_shipping_cost, sc_order_email, cy_symbol 
		FROM tbl_shop_config sc, tbl_currency cy
		WHERE sc_currency = cy_id";
$result = dbQuery($sql);
$row    = dbFetchAssoc($result);

    if ($row) {
        extract($row);

        $shopConfig = array('name'           => $sc_name,
                            'address'        => $sc_address,
                            'phone'          => $sc_phone,
                            'email'          => $sc_email,
			    'sendOrderEmail' => $sc_order_email,
                            'shippingCost'   => $sc_shipping_cost,
                            'currency'       => $cy_symbol);
    } else {
        $shopConfig = array('name'           => '',
                            'address'        => '',
                            'phone'          => '',
                            'email'          => '',
			    'sendOrderEmail' => '',
                            'shippingCost'   => '',
                            'currency'       => '');    
    }

return $shopConfig;						
}

function displayAmount($amount)
{
global $shopConfig;
return $shopConfig['currency'] . number_format($amount);
}

/*
Join up the key value pairs in $_GET
into a single query string
*/
function queryString()
{
$qString = array();

foreach($_GET as $key => $value) {
	if (trim($value) != '') {
		$qString[] = $key. '=' . trim($value);
	} else {
		$qString[] = $key;
	}
}

$qString = implode('&', $qString);

return $qString;
}

/*
Put an error message on session 
*/
function setError($errorMessage)
{
if (!isset($_SESSION['plaincart_error'])) {
	$_SESSION['plaincart_error'] = array();
}

$_SESSION['plaincart_error'][] = $errorMessage;

}

/*
print the error message
*/
function displayError()
{
if (isset($_SESSION['plaincart_error']) && count($_SESSION['plaincart_error'])) {
	$numError = count($_SESSION['plaincart_error']);

	echo '<table id="errorMessage" width="550" align="center" cellpadding="20" cellspacing="0"><tr><td>';
	for ($i = 0; $i < $numError; $i++) {
		echo '&#8226; ' . $_SESSION['plaincart_error'][$i] . "<br>\r\n";
	}
	echo '</td></tr></table>';

	// remove all error messages from session
	$_SESSION['plaincart_error'] = array();
}
}

/**************************
Paging Functions
***************************/

function getPagingQuery($sql, $itemPerPage = 10)
{
if (isset($_GET['page']) && (int)$_GET['page'] > 0) {
	$page = (int)$_GET['page'];
} else {
	$page = 1;
}

// start fetching from this row number
$offset = ($page - 1) * $itemPerPage;

return $sql . " LIMIT $offset, $itemPerPage";
}

/*
Get the links to navigate between one result page to another.
Supply a value for $strGet if the page url already contain some
GET values for example if the original page url is like this :

http://www.yoongda.com/index.php?c=12

use "c=12" as the value for $strGet. But if the url is like this :

http://yoongda.com/index.php

then there's no need to set a value for $strGet


*/
function getPagingLink($sql, $itemPerPage = 10, $strGet = '')
{
$result        = dbQuery($sql);
$pagingLink    = '';
$totalResults  = dbNumRows($result);
$totalPages    = ceil($totalResults / $itemPerPage);

// how many link pages to show
$numLinks      = 10;


// create the paging links only if we have more than one page of results
if ($totalPages > 1) {

	$self = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] ;


	if (isset($_GET['page']) && (int)$_GET['page'] > 0) {
		$pageNumber = (int)$_GET['page'];
	} else {
		$pageNumber = 1;
	}

	// print 'previous' link only if we're not
	// on page one
	if ($pageNumber > 1) {
		$page = $pageNumber - 1;
		if ($page > 1) {
			$prev = " <a href=\"$self?page=$page&$strGet/\">[Prev]</a> ";
		} else {
			$prev = " <a href=\"$self?$strGet\">[Prev]</a> ";
		}	

		$first = " <a href=\"$self?$strGet\">[First]</a> ";
	} else {
		$prev  = ''; // we're on page one, don't show 'previous' link
		$first = ''; // nor 'first page' link
	}

	// print 'next' link only if we're not
	// on the last page
	if ($pageNumber < $totalPages) {
		$page = $pageNumber + 1;
		$next = " <a href=\"$self?page=$page&$strGet\">[Next]</a> ";
		$last = " <a href=\"$self?page=$totalPages&$strGet\">[Last]</a> ";
	} else {
		$next = ''; // we're on the last page, don't show 'next' link
		$last = ''; // nor 'last page' link
	}

	$start = $pageNumber - ($pageNumber % $numLinks) + 1;
	$end   = $start + $numLinks - 1;		

	$end   = min($totalPages, $end);

	$pagingLink = array();
	for($page = $start; $page <= $end; $page++)	{
		if ($page == $pageNumber) {
			$pagingLink[] = " $page ";   // no need to create a link to current page
		} else {
			if ($page == 1) {
				$pagingLink[] = " <a href=\"$self?$strGet\">$page</a> ";
			} else {	
				$pagingLink[] = " <a href=\"$self?page=$page&$strGet\">$page</a> ";
			}	
		}

	}

	$pagingLink = implode(' | ', $pagingLink);

	// return the page navigation link
	$pagingLink = $first . $prev . $pagingLink . $next . $last;
}

return $pagingLink;
}
?>

[/code]

 

database1.php

 

<?php
require_once 'config1.php';

$dbConn = mysql_connect ($dbHost, $dbUser, $dbPass) or die ('MySQL connect failed. ' . mysql_error());
mysql_select_db($dbName) or die('Cannot select database. ' . mysql_error());

function dbQuery($sql)
{
$result = mysql_query($sql) or die(mysql_error());

return $result;
}

function dbAffectedRows()
{
global $dbConn;

return mysql_affected_rows($dbConn);
}

function dbFetchArray($result, $resultType = MYSQL_NUM) {
return mysql_fetch_array($result, $resultType);
}

function dbFetchAssoc($result)
{
return mysql_fetch_assoc($result);
}

function dbFetchRow($result) 
{
return mysql_fetch_row($result);
}

function dbFreeResult($result)
{
return mysql_free_result($result);
}

function dbNumRows($result)
{
return mysql_num_rows($result);
}

function dbSelect($dbName)
{
return mysql_select_db($dbName);
}

function dbInsertId()
{
return mysql_insert_id();
}
?>

 

config1.php

 

<?php
ini_set('display_errors', 'On');
//ob_start("ob_gzhandler");
error_reporting(E_ALL);

// database connection config
$dbHost = 'yoongda.db.xxxxx.hostedresource.com';
$dbUser = 'yoongda';
$dbPass = 'xxxxx';
$dbName = 'yoongda';

// setting up the web root and server root for
// this shopping cart application
$thisFile = str_replace('\\', '/', __FILE__);
$docRoot = $_SERVER['DOCUMENT_ROOT'];

$webRoot  = str_replace(array($docRoot, 'library/config1.php'), '', $thisFile);
$srvRoot  = str_replace('library/config1.php', '', $thisFile);

define('WEB_ROOT', $webRoot);
define('SRV_ROOT', $srvRoot);

// these are the directories where we will store all
// category and product images
define('CATEGORY_IMAGE_DIR', 'images/category/');
define('PRODUCT_IMAGE_DIR',  'images/product/');

// some size limitation for the category
// and product images

// all category image width must not 
// exceed 75 pixels
define('MAX_CATEGORY_IMAGE_WIDTH', 75);

// do we need to limit the product image width?
// setting this value to 'true' is recommended
define('LIMIT_PRODUCT_WIDTH',     true);

// maximum width for all product image
define('MAX_PRODUCT_IMAGE_WIDTH', 300);

// the width for product thumbnail
define('THUMBNAIL_WIDTH',         75);

if (!get_magic_quotes_gpc()) {
if (isset($_POST)) {
	foreach ($_POST as $key => $value) {
		$_POST[$key] =  trim(addslashes($value));
	}
}

if (isset($_GET)) {
	foreach ($_GET as $key => $value) {
		$_GET[$key] = trim(addslashes($value));
	}
}	
}

// since all page will require a database access
// and the common library is also used by all
// it's logical to load these library here
require_once 'database1.php';
require_once 'common1.php';

// get the shop configuration ( name, addres, etc ), all page need it
$shopConfig = getShopConfig();
?>

 

and my search page : search.php

 

<form action="search.php" method="get">
<input name="search" type="text"/>
<input name="searchSubmit" type="submit" value="Search"/>
</form>

<?php
      // Get the search variable from URL

      $var = @$_GET['search'] ;
      $trimmed = trim($var); //trim whitespace from the stored variable

    // check for an empty string and display a message.
    if ($trimmed == "")
      {
      echo "<p>Please enter a search...</p>";
      exit;
      }

    // check for a search parameter
    if (!isset($var))
      {
      echo "<p>We dont seem to have a search parameter!</p>";
      exit;
      }

    //connect to your database ** EDIT REQUIRED HERE **
    include'library/config1.php';

    // Build SQL Query 
    $query = "select * from tbl_product where pd_name like \"%$trimmed%\" order by pd_id"; // EDIT HERE and specify your table and field names for the SQL query

    $numresults=mysql_query($query);
    $numrows=mysql_num_rows($numresults);

    // If we have no results, offer a google search as an alternative

    if ($numrows == 0)
      {
      echo "<h4>Results</h4>";
      echo "<p>Sorry, your search: "" . $trimmed . "" returned zero results</p>";

    // google
    echo "<p>Please, try again or <a href=\"http://www.google.com/search?search="
      . $trimmed . "\" target=\"_blank\" title=\"Look up
      " . $trimmed . " on Google\">Click here</a> to try the
      search on google</p>";
      }

    // next determine if s has been passed to script, if not use 0
      if (empty($s)) {
      $s=0;
      }

    // display what the person searched for
    echo "<p>You searched for: "" . $var . ""</p>";
    ?>
    
   <?php
if (!defined('WEB_ROOT')) {
exit;
}

$productsPerRow = 2;
$productsPerPage = 4;

$sql = "select * from tbl_product where pd_name like \"%$trimmed%\" order by pd_id";
$result     = dbQuery(getPagingQuery($sql, $productsPerPage));
$pagingLink = getPagingLink($sql, $productsPerPage);
$numProduct = dbNumRows($result);

// the product images are arranged in a table. to make sure
// each image gets equal space set the cell width here
$columnWidth = (int)(100 / $productsPerRow);
?>
<table width="100%" border="0" cellspacing="0" cellpadding="20">
<?php 
if ($numProduct > 0 ) {

$i = 0;
while ($row = dbFetchAssoc($result)) {

	extract($row);
	if ($pd_thumbnail) {
		$pd_thumbnail = WEB_ROOT . 'images/product/' . $pd_thumbnail;
	} else {
		$pd_thumbnail = WEB_ROOT . 'images/no-image-small.png';
	}

	if ($i % $productsPerRow == 0) {
		echo '<tr>';
	}

	// format how we display the price
	$pd_price = displayAmount($pd_price);

	echo "<td width=\"$columnWidth%\" align=\"center\"><a href=\"index.php?c=$cat_id&p=$pd_id" . "\"><img src=\"$pd_thumbnail\" border=\"0\" width=\"70\" height=\"100\" ><br>$pd_name</a><br>Price : $pd_price";

	// if the product is no longer in stock, tell the customer
	if ($pd_qty <= 0) {
		echo "<br>Out Of Stock";
	}

	echo "</td>\r\n";

	if ($i % $productsPerRow == $productsPerRow - 1) {
		echo '</tr>';
	}

	$i += 1;
}

if ($i % $productsPerRow > 0) {
	echo '<td colspan="' . ($productsPerRow - ($i % $productsPerRow)) . '"> </td>';
}

} else {
?>
<tr><td width="100%" align="center" valign="center">No products in this category</td></tr>
<?php	
}	
?>
</table>
<p align="center"><?php echo $pagingLink; ?></p>

 

I have tried to put 'search = $var' on $strGet in common1.php but it not working.

 

How can I add the search value after http://yoongda.com/search.php?page=2& such as search=a  ?

 

Looking for fixing the code

Link to comment
https://forums.phpfreaks.com/topic/186790-error-when-doing-search-page/
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Your function for pagination takes a parameter for it:

 

Change this:

$pagingLink = getPagingLink($sql, $productsPerPage);

 

to:

$pagingLink = getPagingLink($sql, $productsPerPage, "search=" . $_GET['search']);

 

 

And in the future, we really do not need screen shots for most problems. Thanks!

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