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    fdf_enum_values

    (PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)

    fdf_enum_values — 各ドキュメントの値に対してユーザー定義関数をコールする

    説明

    fdf_enum_values(resource $fdf_document, callable $function, mixed $userdata = ?): bool
    警告

    この関数は、 現在のところ詳細な情報はありません。引数のリストのみが 記述されています。

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    User Contributed Notes 1 note

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    ceo at l-i-e dot com
    21 years ago
    If you need something like this in a pre 4.3 version, here is a rough hack I was working on before I realized I didn't need this after all.

    preg_match('/Fields\[(.*)\]/', $raw_pdf, $field_data);
    echo "Fields: ", htmlentities($field_data[1]), "<HR>\n";
    $field_data = $field_data[1];
    $key_value = explode(">><<", $field_data);
    $key_value[0] = substr($key_value[0], 2);
    $key_value[count($key_value) - 1] = substr($key_value[count($key_value) - 1], 0, -2);
    while (list(, $kv) = each($key_value)){
    list($key, $value) = explode("/V", $kv);
    $key = substr($key, 2);
    if ($key[0] == '('){
    $key = substr($key, 1, -1);
    }
    if ($value[0] == '/'){
    $value = substr($value, 1);
    }
    if ($value[0] == '('){
    $value = substr($value, 1, -1);
    }
    echo "Key: $key Value: $value<BR>\n";
    }

    The $raw_pdf can either be the $HTTP_RAW_POST_DATA before you write a submitted PDF, or it can just be the raw PDF data you would read from a PDF using, say:
    $raw_pdf = implode("", file("/path/to/your/fdf/whatever.pdf"));

    You'll probably need to tweak this to do something more interesting than just printing the stuff.

    Hmmmm. Think they'll throw me in jail for this post? Oh well.
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