SplFileObject::fwrite

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplFileObject::fwriteWrite to file

Descrizione

public SplFileObject::fwrite(string $data, int $length = 0): int|false

Writes the contents of string to the file

Elenco dei parametri

data

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.

Valori restituiti

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

Log delle modifiche

Versione Descrizione
7.4.0 The function now returns false instead of zero on failure.

Esempi

Example #1 SplFileObject::fwrite() example

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

Il precedente esempio visualizzerà qualcosa simile a:

Wrote 5 bytes to file

Vedere anche:

  • fwrite() - Scrive un file salvaguardando la corrispondenza binaria