finfo_buffer

    finfo::buffer

    (PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL fileinfo >= 0.1.0)

    finfo_buffer -- finfo::buffer — Return information about a string buffer

    Description

    Procedural style

    finfo_buffer(
        finfo $finfo,
        string $string,
        int $flags = FILEINFO_NONE,
        ?resource $context = null
    ): string|false

    Object-oriented style

    public finfo::buffer(string $string, int $flags = FILEINFO_NONE, ?resource $context = null): string|false

    This function is used to get information about binary data in a string.

    Parameters

    finfo

    An finfo instance, returned by finfo_open().

    string

    Content of a file to be checked.

    flags

    One or disjunction of more Fileinfo constants.

    context

    Return Values

    Returns a textual description of the string argument, or false if an error occurred.

    Changelog

    Version Description
    8.1.0 The finfo parameter expects an finfo instance now; previously, a resource was expected.
    8.0.0 context is nullable now.

    Examples

    Example #1 A finfo_buffer() example

    <?php
    $finfo     = new finfo(FILEINFO_MIME);
    echo     $finfo->buffer($_POST["script"]) . "\n";
    ?>

    The above example will output something similar to:

    application/x-sh; charset=us-ascii

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