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# fpassthru

(PHP 4, PHP 5)

fpassthru — Output all remaining data on a file pointer

### 설명

int fpassthru ( resource `$handle` )

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 rewind() to reset the file pointer to the beginning of the file if you have already written data to the file.

If you just want to dump the contents of a file to the output buffer, without first modifying it or seeking to a particular offset, you may want to use the readfile(), which saves you the fopen() call.

### 인수

`handle`

  파일 포인터는 fopen(), fsockopen()을 통하여 성공적으로 열려, fclose()로 닫지 않은 유효한 파일이여야 합니다.

### 반환값

If an error occurs, fpassthru() returns `FALSE`. Otherwise, fpassthru() returns the number of characters read from `handle` and passed through to the output.

### 예제

Example #1 Using fpassthru() with binary files

`<?php
// open the file in a binary mode
$name = './img/ok.png';
$fp = fopen($name, 'rb');
// send the right headers
header("Content-Type: image/png");
header("Content-Length: " . filesize($name));
// dump the picture and stop the script
fpassthru($fp);
exit;
?>`

### 주의

> Note: When using fpassthru() on a binary file on Windows systems, you should make sure to open the file in binary mode by appending a b to the mode used in the call to fopen().
> You are encouraged to use the b flag when dealing with binary files, even if your system does not require it, so that your scripts will be more portable.

### 참고

- readfile() - Outputs a file
- fopen() - Opens file or URL
- popen() - Opens process file pointer
- fsockopen() - Open Internet or Unix domain socket connection

fopen
fputcsv
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PHP Manual