modul: download helper

status: selesai
keterangan: tambah fungsi removeSpecialChar untuk filename download

system/helpers/download_helper.php

@@ -35,7 +35,7 @@
  * @since   Version 1.0.0
  * @filesource
  */
-defined('BASEPATH') OR exit('No direct script access allowed');
+defined('BASEPATH') or exit('No direct script access allowed');
 
 /**
  * CodeIgniter Download Helpers
@@ -49,8 +49,7 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 
 // ------------------------------------------------------------------------
 
-if ( ! function_exists('force_download'))
-{
+if (!function_exists('force_download')) {
     /**
      * Force Download
      *
@@ -63,23 +62,17 @@ if ( ! function_exists('force_download'))
      */
     function force_download($filename = '', $data = '', $set_mime = FALSE)
     {
-		if ($filename === '' OR $data === '')
-		{
+        if ($filename === '' or $data === '') {
             return;
-		}
-		elseif ($data === NULL)
-		{
-			if ( ! @is_file($filename) OR ($filesize = @filesize($filename)) === FALSE)
-			{
+        } elseif ($data === NULL) {
+            if (!@is_file($filename) or ($filesize = @filesize($filename)) === FALSE) {
                 return;
             }
 
             $filepath = $filename;
             $filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));
             $filename = end($filename);
-		}
-		else
-		{
+        } else {
             $filesize = strlen($data);
         }
 
@@ -89,10 +82,8 @@ if ( ! function_exists('force_download'))
         $x         = explode('.', $filename);
         $extension = end($x);
 
-		if ($set_mime === TRUE)
-		{
-			if (count($x) === 1 OR $extension === '')
-			{
+        if ($set_mime === TRUE) {
+            if (count($x) === 1 or $extension === '') {
                 /* If we're going to detect the MIME type,
                  * we'll need a file extension.
                  */
@@ -103,8 +94,7 @@ if ( ! function_exists('force_download'))
             $mimes =& get_mimes();
 
             // Only change the default MIME if we can find one
-			if (isset($mimes[$extension]))
-			{
+            if (isset($mimes[$extension])) {
                 $mime = is_array($mimes[$extension]) ? $mimes[$extension][0] : $mimes[$extension];
             }
         }
@@ -115,40 +105,35 @@ if ( ! function_exists('force_download'))
          *
          * Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
          */
-		if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT']))
-		{
+        if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT'])) {
             $x[count($x) - 1] = strtoupper($extension);
             $filename         = implode('.', $x);
         }
 
-		if ($data === NULL && ($fp = @fopen($filepath, 'rb')) === FALSE)
-		{
+        if ($data === NULL && ($fp = @fopen($filepath, 'rb')) === FALSE) {
             return;
         }
 
         // Clean output buffer
-		if (ob_get_level() !== 0 && @ob_end_clean() === FALSE)
-		{
+        if (ob_get_level() !== 0 && @ob_end_clean() === FALSE) {
             @ob_clean();
         }
 
         // Generate the server headers
-		header('Content-Type: '.$mime);
-		header('Content-Disposition: attachment; filename="'.$filename.'"');
+        header('Content-Type: ' . $mime);
+        header('Content-Disposition: attachment; filename="' . $filename . '"');
         header('Expires: 0');
         header('Content-Transfer-Encoding: binary');
-		header('Content-Length: '.$filesize);
+        header('Content-Length: ' . $filesize);
         header('Cache-Control: private, no-transform, no-store, must-revalidate');
 
         // If we have raw data - just dump it
-		if ($data !== NULL)
-		{
+        if ($data !== NULL) {
             exit($data);
         }
 
         // Flush 1MB chunks of data
-		while ( ! feof($fp) && ($data = fread($fp, 1048576)) !== FALSE)
-		{
+        while (!feof($fp) && ($data = fread($fp, 1048576)) !== FALSE) {
             echo $data;
         }
 
@@ -156,3 +141,14 @@ if ( ! function_exists('force_download'))
         exit;
     }
 }
+
+/**
+ * Fungsi untuk menghapus special characters
+ */
+if (!function_exists('removeSpecialChar')) {
+    function removeSpecialChar($str)
+    {
+        $res = preg_replace('/[^a-zA-Z0-9_ -]/s', ' ', $str);
+        return $res;
+    }
+}