stream_copy_to_stream

    (PHP 5, PHP 7, PHP 8)

    stream_copy_to_stream — Copies data from one stream to another

    Beschreibung

    stream_copy_to_stream(
        resource$from,
        resource$to,
        ?int$length = null,
        int$offset = 0
    ): int|false

    Makes a copy of up to length bytes of data from the current position (or from the offset position, if specified) in from to to. If length is null, all remaining content in from will be copied.

    Parameter-Liste

    from

    The source stream

    to

    The destination stream

    length

    Maximum bytes to copy. By default all bytes left are copied.

    offset

    The offset where to start to copy data

    Rückgabewerte

    Returns the total count of bytes copied,Bei einem Fehler wird false zurückgegeben..

    Changelog

    VersionBeschreibung
    8.0.0length is now nullable.

    Beispiele

    Beispiel #1 A stream_copy_to_stream() example

    <?php
    $src     = fopen('http://www.example.com', 'r');
    $dest1 = fopen('first1k.txt', 'w');
    $dest2 = fopen('remainder.txt', 'w');

    echo     stream_copy_to_stream($src, $dest1, 1024) . " bytes copied to first1k.txt\n";
    echo     stream_copy_to_stream($src, $dest2) . " bytes copied to remainder.txt\n";

    ?>

    Siehe auch

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