fdf_save

(PHP 4, PHP 5 < 5.3.0, PECL fdf SVN)

fdf_save — Save a FDF document

说明

fdf_save(resource $fdf_document, string $filename = ?): bool

Saves a FDF document.

参数

fdf_document: The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
filename: If provided, the resulting FDF will be written in this parameter. Otherwise, this function will write the FDF to the default PHP output stream.

返回值

成功时返回 true，或者在失败时返回 false。

参见

fdf_close() - Close an FDF document
fdf_create() - Create a new FDF document
fdf_save_string() - Returns the FDF document as a string

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karsten at k-fish dot de ¶

21 years ago

The doc says that an empty file name will cause PHP to output the FDF to 'stdout'. I had no success on this (with PHP 4.2.3 and fdftk v5): no string, an empty string and null all returned a message complaining about 'wrong parameter count'.

So I used the way (saving to a file and using passthru) given as an example on the page describing fdf_create(), and added a uniqid(rand(),1) to the filename to avoid clashes. This worked well.