fpassthru
fpassthru
Output all remaining data on a file pointer
int **fpassthru** resource $stream
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 to reset the file
pointer to the beginning of the file if you have already written data
to the file.
rewind
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 , which saves you
the call.
readfile``fopen
stream
Returns the number of characters read from
and passed through to the output.
stream
Voorbeeld: Using 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;
?>
Opmerking: > When using on a binary file on Windows systems, you should make sure to open the file in binary mode by appending a to the mode used in the call to .
fpassthru``b``fopenYou are encouraged to use the flag when dealing with binary files, even if your system does not require it, so that your scripts will be more portable.
b
readfile``fopen``popen``fsockopen