(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fwrite — Write to file
Writes the contents of data to the file
dataThe 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 data is reached, whichever comes
first.
Returns the number of bytes written, or false on error.
| Версія | Опис |
|---|---|
| 7.4.0 |
The function now returns false instead of zero on failure.
|
Приклад #1 SplFileObject::fwrite() example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>Поданий вище приклад виведе щось схоже на:
Wrote 5 bytes to file