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
lengthargument is given, writing will stop afterlengthbytes have been written or the end ofstringis 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

