SplFileObject::fwrite

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fwriteWrite to file

Descrierea

public SplFileObject::fwrite ( string $str , int $length = ? ) : int

Writes the contents of string to the file

Parametri

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.

Valorile întoarse

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

Istoricul schimbărilor

Versiune Descriere
7.4.0 The function now returns false instead of zero on failure.

Exemple

Example #1 SplFileObject::fwrite() example

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

Exemplul de mai sus va afișa ceva similar cu:

Wrote 5 bytes to file

A se vedea și

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User Contributed Notes 1 note

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7
bas dot hilbers at tribal-im dot com
11 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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