Welcome in HTML2Sql Blog: paging in php

Sunday, August 11, 2013

paging in php

<html>
<head>
<title>Paging Using PHP</title>
</head>
<body>
<?php
$dbhost = 'localhost:3036';
$dbuser = 'root';
$dbpass = 'rootpassword';
$rec_limit = 10;

$conn = mysql_connect($dbhost, $dbuser, $dbpass);
if(! $conn )
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db('test_db');
/* Get total number of records */
$sql = "SELECT count(emp_id) FROM employee ";
$retval = mysql_query( $sql, $conn );
if(! $retval )
{
die('Could not get data: ' . mysql_error());
}
$row = mysql_fetch_array($retval, MYSQL_NUM );
$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 emp_id, emp_name, emp_salary ".
"FROM employee ".
"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['emp_id']} <br> ".
         "EMP NAME : {$row['emp_name']} <br> ".
         "EMP SALARY : {$row['emp_salary']} <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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Sunday, August 11, 2013

paging in php

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