The 4th Annual China PHP Conference


(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fpassthruOutput all remaining data on a file pointer


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.


Această funcție nu are parametri.

Valorile întoarse

Returns the number of characters read from handle and passed through to the output.


Example #1 SplFileObject::fpassthru() example


// 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


A se vedea și

  • fpassthru() - Output all remaining data on a file pointer

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