(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fwrite — Write to file
$data
, int $length
= 0): int|false
Writes the contents of string
to the file
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.
Returns the number of bytes written, or false
on error.
Version | Description |
---|---|
7.4.0 |
The function now returns false instead of zero on failure.
|
Example #1 SplFileObject::fwrite() example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>
The above example will output something similar to:
Wrote 5 bytes to file