SplFileObject::fwrite
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fwrite — Write to file
Beschreibung
$data
, int $length
= 0): int|false
Writes the contents of string
to the file
Parameter-Liste
-
data
-
The string to be written to the file.
-
length
-
If the
length
argument is given, writing will stop afterlength
bytes have been written or the end ofstring
is reached, whichever comes first.
Rückgabewerte
Returns the number of bytes written, or false
on error.
Changelog
Version | Beschreibung |
---|---|
7.4.0 |
The function now returns false instead of zero on failure.
|
Beispiele
Beispiel #1 SplFileObject::fwrite() example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
Wrote 5 bytes to file