SplFileObject::fwrite
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fwrite — Write to file
说明
public SplFileObject::fwrite(string $data
, int $length
= 0): int|false
参数
-
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.
返回值
Returns the number of bytes written, or false
on error.
范例
示例 #1 SplFileObject::fwrite() example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>