(PHP 5 >= 5.1.0)
SplFileObject::fwrite — Write to file
Writes the contents of string to the file
The string to be written to the file.
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 NULL on error.
例1 SplFileObject::fwrite example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>
上の例の出力は、 たとえば以下のようになります。
Wrote 5 bytes to file