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Copy pathCSVExporter.php
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115 lines (103 loc) · 3.42 KB
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<?php
/**
* Copyright 2014 Openstack Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
/**
* Class CSVExporter
*/
final class CSVExporter
{
/**
* @var CSVExporter
*/
private static $instance;
private function __construct()
{
}
private function __clone()
{
}
/**
* @return CSVExporter
*/
public static function getInstance()
{
if (!is_object(self::$instance)) {
self::$instance = new CSVExporter();
}
return self::$instance;
}
/**
* @param array $data
* @param string $field_separator
* @return string
*/
public function exportContent(array $data, $field_separator = "\t"){
$content = '';
$flag = false;
foreach ($data as $row) {
if (!$flag) {
// display field/column names as first row
$header = array_keys($row);
array_walk($header, array($this, 'cleanData'));
$header = implode($field_separator, $header) .PHP_EOL;
$content .= $header;
$flag = true;
}
array_walk($row, array($this, 'cleanData'));
$line = implode($field_separator, array_values($row)) . PHP_EOL;
$content .= $line;
}
return $content;
}
/**
* @param $filename
* @param array $data
* @param string $field_separator
* @param string $mime_type
*/
public function export($filename, array $data, $field_separator = "\t", $mime_type = 'application/vnd.ms-excel')
{
ob_end_clean();
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Content-Type: ' . $mime_type);
header('Content-Transfer-Encoding: binary');
header('Accept-Ranges: bytes');
header('Cache-control: no-cache, pre-check=0, post-check=0');
header('Cache-control: private');
header('Pragma: private');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // any date in the past
$flag = false;
foreach ($data as $row) {
if (!$flag) {
// display field/column names as first row
$header = array_keys($row);
array_walk($header, array($this, 'cleanData'));
$header = implode($field_separator, $header) . PHP_EOL;
echo $header;
$flag = true;
}
array_walk($row, array($this, 'cleanData'));
$line = implode($field_separator, array_values($row)) . PHP_EOL;
echo $line;
}
exit;
}
function cleanData(&$str)
{
if (is_null($str)) {$str = ''; return;};
$str = preg_replace("/\t/", "\\t", $str);
$str = preg_replace("/\r?\n/", "\\n", $str);
$str = preg_replace("/,/", "-", $str);
if (strstr($str, '"')) $str = '"' . str_replace('"', '""', $str) . '"';
}
}