本文整理汇总了PHP中file_gc函数的典型用法代码示例。如果您正苦于以下问题：PHP file_gc函数的具体用法？PHP file_gc怎么用？PHP file_gc使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了file_gc函数的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: send_file_to_browser
/**
* Send file to browser
*/
function send_file_to_browser($attachment, $upload_dir)
{
$filename = $upload_dir . $attachment;
if (!@file_exists($filename)) {
trigger_error(phpbb::$user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf(phpbb::$user->lang['FILE_NOT_FOUND_404'], $filename));
}
if (@ob_get_length()) {
@ob_end_clean();
}
// Now send the File Contents to the Browser
$size = @filesize($filename);
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
// Check if headers already sent or not able to get the file contents.
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) {
// PHP track_errors setting On?
if (!empty($php_errormsg)) {
trigger_error(phpbb::$user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf(phpbb::$user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
}
trigger_error('UNABLE_TO_DELIVER_FILE');
}
// Now the tricky part... let's dance
header('Pragma: public');
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
$is_ie8 = strpos(strtolower(phpbb::$user->browser), 'msie 8.0') !== false;
header('Content-Type: text/xml');
if ($is_ie8) {
header('X-Content-Type-Options: nosniff');
}
if ($size) {
header("Content-Length: {$size}");
}
// Close the db connection before sending the file
phpbb::$db->sql_close();
if (!set_modified_headers(@filemtime($attachment), phpbb::$user->browser)) {
// Try to deliver in chunks
@set_time_limit(0);
$fp = @fopen($filename, 'rb');
if ($fp !== false) {
while (!feof($fp)) {
echo fread($fp, 8192);
}
fclose($fp);
} else {
@readfile($filename);
}
flush();
}
file_gc();
}示例2: send_file_to_browser
/**
* Send file to browser
*/
function send_file_to_browser($attachment, $upload_dir, $category)
{
global $user, $db, $config, $phpbb_root_path, $request;
$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename'];
if (!@file_exists($filename)) {
send_status_line(404, 'Not Found');
trigger_error('ERROR_NO_ATTACHMENT');
}
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0) {
$attachment['mimetype'] = strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false ? 'application/octetstream' : 'application/octet-stream';
}
if (@ob_get_length()) {
@ob_end_clean();
}
// Now send the File Contents to the Browser
$size = @filesize($filename);
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
// Check if headers already sent or not able to get the file contents.
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) {
// PHP track_errors setting On?
if (!empty($php_errormsg)) {
send_status_line(500, 'Internal Server Error');
trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
}
send_status_line(500, 'Internal Server Error');
trigger_error('UNABLE_TO_DELIVER_FILE');
}
// Make sure the database record for the filesize is correct
if ($size > 0 && $size != $attachment['filesize']) {
// Update database record
$sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
SET filesize = ' . (int) $size . '
WHERE attach_id = ' . (int) $attachment['attach_id'];
$db->sql_query($sql);
}
// Now the tricky part... let's dance
header('Cache-Control: public');
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
header('Content-Type: ' . $attachment['mimetype']);
if (phpbb_is_greater_ie_version($user->browser, 7)) {
header('X-Content-Type-Options: nosniff');
}
if ($category == ATTACHMENT_CATEGORY_FLASH && $request->variable('view', 0) === 1) {
// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline
header('Content-Disposition: inline');
} else {
if (empty($user->browser) || strpos(strtolower($user->browser), 'msie') !== false && !phpbb_is_greater_ie_version($user->browser, 7)) {
header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (empty($user->browser) || strpos(strtolower($user->browser), 'msie 6.0') !== false) {
header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
}
} else {
header('Content-Disposition: ' . (strpos($attachment['mimetype'], 'image') === 0 ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (phpbb_is_greater_ie_version($user->browser, 7) && strpos($attachment['mimetype'], 'image') !== 0) {
header('X-Download-Options: noopen');
}
}
}
// Close the db connection before sending the file etc.
file_gc(false);
if (!set_modified_headers($attachment['filetime'], $user->browser)) {
// We make sure those have to be enabled manually by defining a constant
// because of the potential disclosure of full attachment path
// in case support for features is absent in the webserver software.
if (defined('PHPBB_ENABLE_X_ACCEL_REDIRECT') && PHPBB_ENABLE_X_ACCEL_REDIRECT) {
// X-Accel-Redirect - http://wiki.nginx.org/XSendfile
header('X-Accel-Redirect: ' . $user->page['root_script_path'] . $upload_dir . '/' . $attachment['physical_filename']);
exit;
} else {
if (defined('PHPBB_ENABLE_X_SENDFILE') && PHPBB_ENABLE_X_SENDFILE && !phpbb_http_byte_range($size)) {
// X-Sendfile - http://blog.lighttpd.net/articles/2006/07/02/x-sendfile
// Lighttpd's X-Sendfile does not support range requests as of 1.4.26
// and always requires an absolute path.
header('X-Sendfile: ' . dirname(__FILE__) . "/../{$upload_dir}/{$attachment['physical_filename']}");
exit;
}
}
if ($size) {
header("Content-Length: {$size}");
}
// Try to deliver in chunks
@set_time_limit(0);
$fp = @fopen($filename, 'rb');
if ($fp !== false) {
// Deliver file partially if requested
if ($range = phpbb_http_byte_range($size)) {
fseek($fp, $range['byte_pos_start']);
send_status_line(206, 'Partial Content');
header('Content-Range: bytes ' . $range['byte_pos_start'] . '-' . $range['byte_pos_end'] . '/' . $range['bytes_total']);
header('Content-Length: ' . $range['bytes_requested']);
}
while (!feof($fp)) {
echo fread($fp, 8192);
}
fclose($fp);
//.........这里部分代码省略.........
示例3: send_file_to_browser
/**
* Send file to browser
*/
function send_file_to_browser($attachment, $upload_dir)
{
$filename = $upload_dir . $attachment['physical_filename'];
if (!@file_exists($filename)) {
trigger_error(phpbb::$user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf(phpbb::$user->lang['FILE_NOT_FOUND_404'], $filename));
}
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if (strpos($attachment['mimetype'], 'image') !== 0) {
$attachment['mimetype'] = strpos(strtolower(phpbb::$user->browser), 'msie') !== false || strpos(strtolower(phpbb::$user->browser), 'opera') !== false ? 'application/octetstream' : 'application/octet-stream';
}
if (@ob_get_length()) {
@ob_end_clean();
}
// Now send the File Contents to the Browser
$size = @filesize($filename);
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
// Check if headers already sent or not able to get the file contents.
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) {
// PHP track_errors setting On?
if (!empty($php_errormsg)) {
trigger_error(phpbb::$user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf(phpbb::$user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
}
trigger_error('UNABLE_TO_DELIVER_FILE');
}
// Now the tricky part... let's dance
header('Pragma: public');
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
$is_ie8 = strpos(strtolower(phpbb::$user->browser), 'msie 8.0') !== false;
header('Content-Type: ' . $attachment['mimetype']);
if ($is_ie8) {
header('X-Content-Type-Options: nosniff');
}
if (empty(phpbb::$user->browser) || !$is_ie8 && strpos(strtolower(phpbb::$user->browser), 'msie') !== false) {
header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (empty(phpbb::$user->browser) || strpos(strtolower(phpbb::$user->browser), 'msie 6.0') !== false) {
header('expires: -1');
}
} else {
header('Content-Disposition: ' . (strpos($attachment['mimetype'], 'image') === 0 ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if ($is_ie8 && strpos($attachment['mimetype'], 'image') !== 0) {
header('X-Download-Options: noopen');
}
}
if ($size) {
header("Content-Length: {$size}");
}
// Close the db connection before sending the file
phpbb::$db->sql_close();
if (!set_modified_headers($attachment['filetime'], phpbb::$user->browser)) {
// Try to deliver in chunks
@set_time_limit(0);
$fp = @fopen($filename, 'rb');
if ($fp !== false) {
while (!feof($fp)) {
echo fread($fp, 8192);
}
fclose($fp);
} else {
@readfile($filename);
}
flush();
}
file_gc();
}示例4: send_file_to_browser
/**
* Send file to browser
*/
function send_file_to_browser($attachment, $upload_dir, $category)
{
global $user, $db, $config, $phpbb_root_path;
$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename'];
if (!@file_exists($filename)) {
trigger_error($user->lang['ERROR_NO_ATTACHMENT'] . '<br /><br />' . sprintf($user->lang['FILE_NOT_FOUND_404'], $filename));
}
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0) {
$attachment['mimetype'] = strpos(strtolower($user->browser), 'msie') !== false || strpos(strtolower($user->browser), 'opera') !== false ? 'application/octetstream' : 'application/octet-stream';
}
if (@ob_get_length()) {
@ob_end_clean();
}
// Now send the File Contents to the Browser
$size = @filesize($filename);
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
// Check if headers already sent or not able to get the file contents.
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) {
// PHP track_errors setting On?
if (!empty($php_errormsg)) {
trigger_error($user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . sprintf($user->lang['TRACKED_PHP_ERROR'], $php_errormsg));
}
trigger_error('UNABLE_TO_DELIVER_FILE');
}
// Now the tricky part... let's dance
header('Pragma: public');
/**
* Commented out X-Sendfile support. To not expose the physical filename within the header if xsendfile is absent we need to look into methods of checking it's status.
*
* Try X-Sendfile since it is much more server friendly - only works if the path is *not* outside of the root path...
* lighttpd has core support for it. An apache2 module is available at http://celebnamer.celebworld.ws/stuff/mod_xsendfile/
*
* Not really ideal, but should work fine...
* <code>
* if (strpos($upload_dir, '/') !== 0 && strpos($upload_dir, '../') === false)
* {
* header('X-Sendfile: ' . $filename);
* }
* </code>
*/
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
$is_ie8 = strpos(strtolower($user->browser), 'msie 8.0') !== false;
header('Content-Type: ' . $attachment['mimetype'] . ($is_ie8 ? '; authoritative=true;' : ''));
if (empty($user->browser) || !$is_ie8 && strpos(strtolower($user->browser), 'msie') !== false) {
header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (empty($user->browser) || strpos(strtolower($user->browser), 'msie 6.0') !== false) {
header('expires: -1');
}
} else {
header('Content-Disposition: ' . (strpos($attachment['mimetype'], 'image') === 0 ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if ($is_ie8 && strpos($attachment['mimetype'], 'image') !== 0) {
header('X-Download-Options: noopen');
}
}
if ($size) {
header("Content-Length: {$size}");
}
// Close the db connection before sending the file
$db->sql_close();
if (!set_modified_headers($attachment['filetime'], $user->browser)) {
// Try to deliver in chunks
@set_time_limit(0);
$fp = @fopen($filename, 'rb');
if ($fp !== false) {
while (!feof($fp)) {
echo fread($fp, 8192);
}
fclose($fp);
} else {
@readfile($filename);
}
flush();
}
file_gc();
}示例5: phpbb_increment_downloads
if ($display_cat == ATTACHMENT_CATEGORY_FLASH && !$user->optionget('viewflash')) {
$display_cat = ATTACHMENT_CATEGORY_NONE;
}
if ($thumbnail) {
$attachment['physical_filename'] = 'thumb_' . $attachment['physical_filename'];
} else {
if ($display_cat == ATTACHMENT_CATEGORY_NONE && !$attachment['is_orphan'] && !phpbb_http_byte_range($attachment['filesize'])) {
// Update download count
phpbb_increment_downloads($db, $attachment['attach_id']);
}
}
if ($display_cat == ATTACHMENT_CATEGORY_IMAGE && $mode === 'view' && strpos($attachment['mimetype'], 'image') === 0 && strpos(strtolower($user->browser), 'msie') !== false && !phpbb_is_greater_ie_version($user->browser, 7)) {
wrap_img_in_html(append_sid($phpbb_root_path . 'download/file.' . $phpEx, 'id=' . $attachment['attach_id']), $attachment['real_filename']);
file_gc();
} else {
// Determine the 'presenting'-method
if ($download_mode == PHYSICAL_LINK) {
// This presenting method should no longer be used
if (!@is_dir($phpbb_root_path . $config['upload_path'])) {
send_status_line(500, 'Internal Server Error');
trigger_error($user->lang['PHYSICAL_DOWNLOAD_NOT_POSSIBLE']);
}
redirect($phpbb_root_path . $config['upload_path'] . '/' . $attachment['physical_filename']);
file_gc();
} else {
send_file_to_browser($attachment, $config['upload_path'], $display_cat);
file_gc();
}
}
}
}示例6: return_banner
/**
* Display a banner
*
* @param string $banner_img Path to banner file
* @return Response object
*/
public function return_banner($banner_img)
{
if (!function_exists('file_gc')) {
include $this->root_path . 'includes/functions_download.' . $this->php_ext;
}
$file_path = $this->dir_helper->get_banner_path($banner_img);
if (@file_exists($file_path) && @is_readable($file_path)) {
$response = new BinaryFileResponse($file_path);
$response->setContentDisposition('inline', $banner_img);
// Without fileinfo extension, Symfony is unable to guess the mime type
if (!extension_loaded('fileinfo')) {
$image_data = @getimagesize($file_path);
$response->headers->set('Content-Type', image_type_to_mime_type($image_data[2]));
}
} else {
$response = new Response();
$response->setStatusCode(404);
}
file_gc(false);
return $response;
}示例7: send_file_to_browser
/**
* Send file to browser
*
* Copy of send_file_to_browser() from functions_download.php
* with some minor modifications to work correctly in Titania.
*
* @param array $attachment Attachment data.
* @param string $filename Full path to the attachment file.
* @param int $category Attachment category.
*
* @return \Symfony\Component\HttpFoundation\Response if error found. Otherwise method exits.
*/
protected function send_file_to_browser($attachment, $filename, $category)
{
if (!@file_exists($filename)) {
return $this->helper->error('ERROR_NO_ATTACHMENT', 404);
}
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if ($category != ATTACHMENT_CATEGORY_IMAGE || strpos($attachment['mimetype'], 'image') !== 0) {
$attachment['mimetype'] = strpos(strtolower($this->user->browser), 'msie') !== false || strpos(strtolower($this->user->browser), 'opera') !== false ? 'application/octetstream' : 'application/octet-stream';
}
if (@ob_get_length()) {
@ob_end_clean();
}
// Now send the File Contents to the Browser
$size = @filesize($filename);
// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
// Check if headers already sent or not able to get the file contents.
if (headers_sent() || !@file_exists($filename) || !@is_readable($filename)) {
// PHP track_errors setting On?
if (!empty($php_errormsg)) {
return $this->helper->error($this->user->lang['UNABLE_TO_DELIVER_FILE'] . '<br />' . $this->user->lang('TRACKED_PHP_ERROR', $php_errormsg), self::INTERNAL_SERVER_ERROR);
}
return $this->helper->error('UNABLE_TO_DELIVER_FILE', self::INTERNAL_SERVER_ERROR);
}
// Make sure the database record for the filesize is correct
if ($size > 0 && $size != $attachment['filesize']) {
// Update database record
$sql = 'UPDATE ' . TITANIA_ATTACHMENTS_TABLE . '
SET filesize = ' . (int) $size . '
WHERE attachment_id = ' . (int) $attachment['attachment_id'];
$this->db->sql_query($sql);
}
// Now the tricky part... let's dance
header('Pragma: public');
// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
header('Content-Type: ' . $attachment['mimetype']);
if (phpbb_is_greater_ie_version($this->user->browser, 7)) {
header('X-Content-Type-Options: nosniff');
}
if ($category == ATTACHMENT_CATEGORY_FLASH && request_var('view', 0) === 1) {
// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline
header('Content-Disposition: inline');
} else {
if (empty($this->user->browser) || strpos(strtolower($this->user->browser), 'msie') !== false && !phpbb_is_greater_ie_version($this->user->browser, 7)) {
header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (empty($this->user->browser) || strpos(strtolower($this->user->browser), 'msie 6.0') !== false) {
header('expires: -1');
}
} else {
header('Content-Disposition: ' . (strpos($attachment['mimetype'], 'image') === 0 ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
if (phpbb_is_greater_ie_version($this->user->browser, 7) && strpos($attachment['mimetype'], 'image') !== 0) {
header('X-Download-Options: noopen');
}
}
}
if ($size) {
header("Content-Length: {$size}");
}
// Close the db connection before sending the file etc.
file_gc(false);
if (!set_modified_headers($attachment['filetime'], $this->user->browser)) {
// Try to deliver in chunks
@set_time_limit(0);
$fp = @fopen($filename, 'rb');
if ($fp !== false) {
// Deliver file partially if requested
if ($range = phpbb_http_byte_range($size)) {
fseek($fp, $range['byte_pos_start']);
send_status_line(206, 'Partial Content');
header('Content-Range: bytes ' . $range['byte_pos_start'] . '-' . $range['byte_pos_end'] . '/' . $range['bytes_total']);
header('Content-Length: ' . $range['bytes_requested']);
}
while (!feof($fp)) {
echo fread($fp, 8192);
}
fclose($fp);
} else {
@readfile($filename);
}
flush();
}
exit;
}