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PHP - Manual: fdf_save_string - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: fdf_save_string

2025-06-27

fdf_save_string

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

fdf_save_stringReturns the FDF document as a string

说明

fdf_save_string(resource $fdf_document): string

Returns the FDF document as a string.

参数

fdf_document

The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().

返回值

Returns the document as a string, or false on error.

示例

示例 #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;
?>

以上示例会输出:

%FDF-1.2
%âãÏÓ
1 0 obj
<<
/FDF << /Fields 2 0 R >>
>>
endobj
2 0 obj
[
<< /T (foo)/V (bar)>>
]
endobj
trailer
<<
/Root 1 0 R

>>
%%EOF

参见

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官方地址:https://www.php.net/manual/en/function.fdf-save-string.php

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