SplFileObject::fwrite

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplFileObject::fwriteWrite to file

Опис

public SplFileObject::fwrite(string $data, int $length = 0): int|false

Writes the contents of data to the file

Параметри

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 data is reached, whichever comes first.

Значення, що повертаються

Returns the number of bytes written, or false on error.

Журнал змін

Версія Опис
7.4.0 The function now returns false instead of zero on failure.

Приклади

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

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