(PHP 5 >= 5.1.0, PHP 7)
SplFileObject::fwrite — Write to file
$str
[, int $length
] ) : int
Writes the contents of string
to the file
str
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 0 on error.
Example #1 SplFileObject::fwrite() example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>
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Wrote 5 bytes to file