Tuesday, August 5, 2014

PAGING IN PHP

<html>
<head>
<title>Paging Using PHP</title>
</head>
<body>
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass ='';
$rec_limit = 5;

$conn = mysql_connect($dbhost, $dbuser, $dbpass);
if(! $conn )
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db('dbpractice');
/* Get total number of records */
$sql = "SELECT count(eid) FROM tblemp ";
$retval = mysql_query( $sql, $conn );
if(! $retval )
{
die('Could not get data: ' . mysql_error());
}
$row = mysql_fetch_array($retval, MYSQL_NUM );
//record counter
$rec_count = $row[0];

if( isset($_GET{'page'} ) )
{
$page = $_GET{'page'} + 1;
$offset = $rec_limit * $page ;
}
else
{
$page = 0;
$offset = 0;
}
$left_rec = $rec_count - ($page * $rec_limit);

$sql = "SELECT eid, ename,phone ".
"FROM tblemp ".
"LIMIT $offset, $rec_limit";

$retval = mysql_query( $sql, $conn );
if(! $retval )
{
die('Could not get data: ' . mysql_error());
}
while($row = mysql_fetch_array($retval, MYSQL_ASSOC))
{
echo "EMP ID :{$row['eid']} <br> ".
"EMP NAME : {$row['ename']} <br> ".
"EMP SALARY : {$row['phone']} <br> ".
"--------------------------------<br>";
}

if( $page > 0 )
{
$last = $page - 2;
echo "<a href=\"$_PHP_SELF?page=$last\">Last 10 Records</a> |";
echo "<a href=\"$_PHP_SELF?page=$page\">Next 10 Records</a>";
}
else if( $page == 0 )
{
echo "<a href=\"$_PHP_SELF?page=$page\">Next 10 Records</a>";
}
else if( $left_rec < $rec_limit )
{
$last = $page - 2;
echo "<a href=\"$_PHP_SELF?page=$last\">Last 10 Records</a>";
}
mysql_close($conn);
?>

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