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# pdf_add_bookmark

(PHP 4 >= 4.0.1, PHP 5)

pdf_add_bookmark -- Adds bookmark for current page

## Description

int pdf_add_bookmark ( resource pdfdoc, string text, int parent, int open )

Add a nested bookmark under parent, or a new top-level bookmark if parent = 0. Returns a bookmark descriptor which may be used as parent for subsequent nested bookmarks. If open = 1, child bookmarks will be folded out, and invisible if open = 0. Parameters parent and open were optional before PHP 5.

範例 1. pdf_add_bookmark() example

`<?php
// create a new PDF
$pdf = pdf_new();
pdf_open_file($pdf);
pdf_set_info($pdf, "Author", "Bob Nijman");
// begin a new page
pdf_begin_page($pdf, 300, 300);
// add a top-level bookmark
$bookmark = pdf_add_bookmark($pdf, "People");
// add a nested bookmark
pdf_add_bookmark($pdf, "Rasmus", $bookmark);
// and some text
pdf_set_font($pdf, "Helvetica", 20, "host");
$text = "This is R's page";
$width = pdf_stringwidth($pdf, $text);
pdf_set_text_pos($pdf, (300-$width)/2, 100);
pdf_show($pdf, $text);
// close the page and the PDF
pdf_end_page($pdf);
pdf_close($pdf);
?>`

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