SplFileObject::fwrite

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fwriteWrite to file

Opis

public SplFileObject::fwrite ( string $str [, int $length ] ) : int

Writes the contents of string to the file

Parametry

str

The string to be written to the file.

length

If the length argument is given, writing will stop after length bytes have been written or the end of string is reached, whichever comes first.

Zwracane wartości

Returns the number of bytes written, or 0 on error.

Przykłady

Przykład #1 SplFileObject::fwrite() example

<?php
$file 
= new SplFileObject("fwrite.txt""w");
$written $file->fwrite("12345");
echo 
"Wrote $written bytes to file";
?>

Powyższy przykład wyświetli coś podobnego do:

Wrote 5 bytes to file

Zobacz też:

  • fwrite() - Zapis pliku binarnie bezpieczny

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User Contributed Notes 1 note

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15
bas dot hilbers at tribal-im dot com
10 years ago
Your \SplFileObject will not throw an exception when trying to write to a non-writeable stream!

I forgot to set the second parameter on my \SplFileObject constructor (the mode), costing me minutes to figure out why nothing was writter by the fwrite method...

Just to let you know!
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