SplFileObject::fwrite
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fwrite — Write to file
Description
public SplFileObject::fwrite(string
$data, int $length = 0): int|false
Writes the contents of string to the file
Parameters
-
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.
Return Values
Returns the number of bytes written, or false on error.
Changelog
| Version | Description |
|---|---|
| 7.4.0 |
The function now returns false instead of zero on failure.
|
Examples
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
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