SplFileObject::fpassthru
(PHP 5 >= 5.1.0, PHP 7)
SplFileObject::fpassthru — Output all remaining data on a file pointer
Description
public int SplFileObject::fpassthru ( void )Reads to EOF on the given file pointer from the current position and writes the results to the output buffer.
You may need to call SplFileObject::rewind() to reset the file pointer to the beginning of the file if you have already written data to the file.
Parameters
This function has no parameters.
Return Values
Returns the number of characters read from handle and passed through to the output.
Examples
Example #1 SplFileObject::fpassthru() example
<?php
//?Open?the?file?in?binary?mode
$file?=?new?SplFileObject("./img/ok.png",?"rb");
//?Send?the?right?headers
header("Content-Type:?image/png");
header("Content-Length:?"?.?$file->getSize());
//?Dump?the?picture?and?end?script
$file->fpassthru();
exit;
?>See Also
- fpassthru() - Output all remaining data on a file pointer
← SplFileObject::flock
SplFileObject::fputcsv →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
