Export to csv : CI Helper File
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); | |
// ------------------------------------------------------------------------ | |
/** | |
* CSV Helpers | |
* Inspiration from PHP Cookbook by David Sklar and Adam Trachtenberg | |
* | |
* @author Jérôme Jaglale | |
* @link http://maestric.com/en/doc/php/codeigniter_csv | |
*/ | |
// ------------------------------------------------------------------------ | |
//------------------------------------------- | |
/* | |
Documentation: | |
============== | |
1. Array to csv file | |
array_to_csv($ArrayVariable,'file.csv') | |
2. Query to csv file | |
echo query_to_csv($query,'stalls.csv'); | |
$query = $this->db->get('stall_contact'); | |
$this->load->helper('csv'); | |
3. Query to download file | |
$query = $this->db->get('stall_contact'); | |
$this->load->helper('csv'); | |
query_to_csv($query,TRUE,'bookings.csv'); | |
*/ | |
if ( ! function_exists('array_to_csv')) | |
{ | |
function array_to_csv($array, $download = "") | |
{ | |
if ($download != "") | |
{ | |
header('Content-Type: application/csv'); | |
header('Content-Disposition: attachement; filename="' . $download . '"'); | |
} | |
ob_start(); | |
$f = fopen('php://output', 'w') or show_error("Can't open php://output"); | |
$n = 0; | |
foreach ($array as $line) | |
{ | |
$n++; | |
if ( ! fputcsv($f, $line)) | |
{ | |
show_error("Can't write line $n: $line"); | |
} | |
} | |
fclose($f) or show_error("Can't close php://output"); | |
$str = ob_get_contents(); | |
ob_end_clean(); | |
if ($download == "") | |
{ | |
return $str; | |
} | |
else | |
{ | |
echo $str; | |
} | |
} | |
} | |
// ------------------------------------------------------------------------ | |
/** | |
* Query to CSV | |
* | |
* download == "" -> return CSV string | |
* download == "toto.csv" -> download file toto.csv | |
*/ | |
if ( ! function_exists('query_to_csv')) | |
{ | |
function query_to_csv($query, $headers = TRUE, $download = "") | |
{ | |
if ( ! is_object($query) OR ! method_exists($query, 'list_fields')) | |
{ | |
show_error('invalid query'); | |
} | |
$array = array(); | |
if ($headers) | |
{ | |
$line = array(); | |
foreach ($query->list_fields() as $name) | |
{ | |
$line[] = $name; | |
} | |
$array[] = $line; | |
} | |
foreach ($query->result_array() as $row) | |
{ | |
$line = array(); | |
foreach ($row as $item) | |
{ | |
$line[] = $item; | |
} | |
$array[] = $line; | |
} | |
echo array_to_csv($array, $download); | |
} | |
} | |
/* End of file csv_helper.php */ | |
/* Location: ./system/helpers/csv_helper.php */ |
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