csv export and import script using php

Code bellow will be helpfull for you for importing and exporting csv files. Copy the code bellow and save it as "import_export_csv.php" then open it in your host e.g. 'localhost' and start importing, exporting csv files.

<?php
//don't forget to include your database connectivity.
 include('db_connection.php');
 if ($REQUEST_METHOD=="POST" && $_POST['btnSubmit']== 'Export') //this code is for exporting data when you click on "Export" this part of code will be executed.
 {
   // if you want to export data from a database table. You have to give your_table name in bellow query.
   $select = "SELECT * FROM Your_table";
   $export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
// code bellow will get names of the fields and set as header of the csv.
   $fields = mysql_num_fields ( $export );
   for ( $i = 0; $i < $fields; $i++ )
   {
    $header .= '"'.mysql_field_name( $export , $i ).'"';
    if($i != $fields-1)
    $header .= ",";
   }
//if data found in database arrange it in csv format and pass to a variable $data.
   while( $row = mysql_fetch_row( $export ) )
   {
    $line = '';
    foreach( $row as $value )
    {                                           
     if ( ( !isset( $value ) ) || ( $value == "" ) )
     {
      $value = '"'."\t".'",';
     }
     else
     {
      $value = str_replace( '"' , '""' , $value );
      $value = '"' . $value . '"' . ",";
     }
     $line .= $value;
    }
 
    $line = substr($line, 0, -1);
    $data .= trim( $line ) . "\n";
   }
   $data = str_replace( "\r" , "" , $data );
//if data=='' not found in database
   if ( $data == "" )
   {
    $data = "\n(0) Records Found!\n";                       
   }
   header("Content-type: application/octet-stream");
   header("Content-Disposition: attachment; filename=products_csv.csv");
   header("Pragma: no-cache");
   header("Expires: 0");
// display fields name and data here
   print "$header\n$data";
   exit;
 }
 elseif ($REQUEST_METHOD=="POST" && $_POST['btnSubmit']== 'Import') //this code is for importing data when you click on "Import" this part of code will be executed.
 {
 
   if ($_FILES[csv][size] > 0)
   {
    //get the csv file
    $file = $_FILES[csv][tmp_name];
    $handle = fopen($file, "r");
    $row=1;
 //fgetcsv — Gets line from file pointer and parse for CSV fields
    while (($line_of_data = fgetcsv($handle, 1000, ",")) !== FALSE)
    {
  //If your first line from csv contains fields names ignore it.
     if($row!=1)
     {
      // $line_of_data is numaric array has your impoted data $line_of_data[0] has your first record from csv which is fields name normaly.
      $query = "insert into yourtable (username, email) values ('$line_of_data[0]', '$line_of_data[1]')";
      mysql_query ($query) or die ( "Sql error : " . mysql_error( ) );
   
     }
      $row++;
        }
    echo "File imported successfuly.";
 
   }
 }
 ?>
 <div style="margin:0 auto; width:100%">
 <form method="post" name="form1" action="import_export_csv.php">
 click here for export a csv file: <input type="submit" name="btnSubmit" value="Export" />
 </form>
 </div>
 <div style="margin:10px auto; width:100%">
 <form method="post" name="form2" enctype="multipart/form-data" action="import_export_csv.php">
 select your .csv file: <input type="file" name="csv" />
 <input type="submit" name="btnSubmit" value="Import" />
 </form>
 </div>    

    

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   <?php
    // First, we need to take their postcode and get the lat/lng pair:
    $postcode = 'SL1 2PH';
    // Sanitize their postcode:
    $search_code = urlencode($postcode);
    $url = 'http://maps.googleapis.com/maps/api/geocode/json?address=' . $search_code . '&sensor=false';
 //json_decode() returns an object pass 2nd parameter true to json_decode() if you want to get results as array
    $json = json_decode(file_get_contents($url), true);
 //print_r($json);  uncomment for seeing whole arry
     $lat = $json['results'][0]['geometry']['location']['lat'];
     $lng = $json['results'][0]['geometry']['location']['lng'];
    // Now build the lookup:
    $address_url = 'http://maps.googleapis.com/maps/api/geocode/json?latlng=' . $lat . ',' . $lng . '&sensor=false';
 //json_decode() returns an object if you want to get results as array, pass 2nd parameter true e.g. json_decode(file_get_contents($address_url, true))
    $address_json = json_decode(file_get_contents($address_url), true);
    print_r($address_json['results'][0]['formatted_address']);
 ?>    

    

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