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(PHP 4 >= 4.3.0, PHP 5, PHP 7)
fdf_save_string — Returns the FDF document as a string
$fdf_document
)Returns the FDF document as a string.
fdf_document
The FDF document handle, returned by fdf_create() , fdf_open() or fdf_open_string() .
Returns the document as a string, or FALSE
on error.
Example #1 Retrieving FDF as a string
<?php
$fdf = fdf_create ();
fdf_set_value ( $fdf , "foo" , "bar" );
$str = fdf_save_string ( $fdf );
fdf_close ( $fdf );
echo $str ;
?>
以上例程会输出:
%FDF-1.2 %???? 1 0 obj << /FDF << /Fields 2 0 R >> >> endobj 2 0 obj [ << /T (foo)/V (bar)>> ] endobj trailer << /Root 1 0 R>> %%EOF