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    SplFileObject::fwrite

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

    SplFileObject::fwrite — Write to file

    Descrição

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

    Writes the contents of string to the file

    Parâmetros

    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.

    Valor Retornado

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

    Registro de Alterações

    Versão Descrição
    7.4.0 The function now returns false instead of zero on failure.

    Exemplos

    Exemplo #1 SplFileObject::fwrite() example

    <?php
    $file     = new SplFileObject("fwrite.txt", "w");
    $written = $file->fwrite("12345");
    echo     "Wrote $written bytes to file";
    ?>

    O exemplo acima produzirá algo semelhante a:

    Wrote 5 bytes to file

    Veja Também

    • fwrite() - Escrita binary-safe em arquivos

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    User Contributed Notes 1 note

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    bas dot hilbers at tribal-im dot com
    11 years ago
    Your \SplFileObject will not throw an exception when trying to write to a non-writeable stream!

    I forgot to set the second parameter on my \SplFileObject constructor (the mode), costing me minutes to figure out why nothing was writter by the fwrite method...

    Just to let you know!
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