<?php
/**
* @ CSV Export functionality
*
* 1.Establish Connection
* 2.Select thr Database
* 3.Fetching Data from the table
* 4.Get total no. of the fields using mysql_num_fields
* 5.Get the names of the fields through the loop using mysqli_fetch_field_direct
* 6.The header() function sends a raw HTTP header to a client.To know more about the options please refer below links
*/
/**
* 1.Establish Connection
*/
include_once('config.php');
/**
* 2.Select thr Database
*/
$query = "SELECT * FROM student limit 50";
$header = '';
$data ='';
/**
* 3.Fetching Data from the table
*/
$export = mysqli_query ($connection, $query ) or die ( "Sql error : " . mysql_error( ) );
/**
* 4.Get total no. of the fields using mysql_num_fields
*/
$fields = mysqli_num_fields ( $export );
/**
* 5.Get the names of the fields through the loop using mysqli_fetch_field_direct
*/
for ( $i = 0; $i < $fields; $i++ )
{
$header .= mysqli_fetch_field_direct($export, $i)->name . "\t";
}
while( $row = mysqli_fetch_row( $export ) )
{
$line = '';
foreach( $row as $value )
{
if ( ( !isset( $value ) ) || ( $value == "" ) )
{
$value = "\t";
}
else
{
$value = str_replace( '"' , '""' , $value );
$value = '"' . $value . '"' . "\t";
}
$line .= $value;
}
$data .= trim( $line ) . "\n";
}
$data = str_replace( "\r" , "" , $data );
if ( $data == "" )
{
$data = "\nNo Record(s) Found!\n";
}
/**
* 6.The header() function sends a raw HTTP header to a client.To know more about the options please refer below links
*/
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=Export.xls");
header("Pragma: no-cache");
header("Expires: 0");
print "$header\n$data";
?>
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