Je was op zoek naar: modifying (Koreaans - Engels)

예 1. modifying an attribute
0 would not even try to remove it and the addition will work.

예 3. modifying title attribute
multilingual attributes, e.g. 'title', can be modified in two ways.

no locking is done, so you should avoid modifying your filepro database while it may be opened in php.
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there is no support for indexes or memo fields. there is no support for locking, too. two concurrent webserver processes modifying the same dbase file will very likely ruin your database.
dbase files are simple sequential files of fixed length records.

create a copy of the current frame, that remains linked to it. this means they always show the same contents: modifying the contents in such a frame will update all its linked copies.
create a copy of the current frame, that remains linked to it. this means they always show the same contents: modifying the contents in such a frame will update all its linked copies.

another nice feature of clibpdf is the fact that any page can be modified at any time even if a new page has been already opened. the function cpdf_set_current_page() allows to leave the current page and presume modifying an other page.
to do so add to your configure line the options --with-jpeg-dir[ =dir] --with-tiff-dir[=dir].