dompdf page number

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旧巷少年郎

Hi I am using DOMPDF to generate PDF file, I would like to know how to get page number.

I have try the following as mention in FAQ page of DOMPDF. and not successful

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2条回答

误落风尘

2020-12-17 02:23
Where you have '1/1' being used to get $x, this won't work when you have more than 10 pages.

A possible solution does mean editing "cpdf_adapter.cls.php", so the _add_page_text() function used the following just after the str_replace()... about line 790:
```
if ($x < 0) $x = (($this->_width + $x) - $this->get_text_width($text, $font, $size));
if ($y < 0) $y = (($this->_height + $y) - $this->get_font_height($font, $size));
```
The idea is that you can pass in negative x/y coords, and they will work from the right/bottom edges.

Then in the HTML thats sent to DOMPDF, I used:
```
<script type="text/php">
   $pdf->page_text(-30, -32, "{PAGE_NUM} of {PAGE_COUNT}", Font_Metrics::get_font("serif"), 10, array(0,0,0));
</script>
```
Or if you want to specify the x/y in px:
```
<script type="text/php">
   $pdf->page_text(((-30 * 72) / DOMPDF_DPI), ((-32 * 72) / DOMPDF_DPI), "{PAGE_NUM} of {PAGE_COUNT}", Font_Metrics::get_font("serif"), 10, array(0,0,0));
</script>
```
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-上瘾入骨i

2020-12-17 02:27
You are running your inline script as part of the PHP page instead of passing it to dompdf. Your code could be written as follows (truncated to the relevant section):
```
...
$html="
<html>
  <body>
    <script type='text/php'>
      if ( isset($pdf) ) { 
        $font = Font_Metrics::get_font('helvetica', 'normal');
        $size = 9;
        $y = $pdf->get_height() - 24;
        $x = $pdf->get_width() - 15 - Font_Metrics::get_text_width('1/1', $font, $size);
        $pdf->page_text($x, $y, '{PAGE_NUM}/{PAGE_COUNT}', $font, $size);
      } 
    </script>
";
...
```
Note that inline script must currently appear inside the BODY element. Otherwise it will be ignored during document processing.

There are other ways to achieve what you want as well.
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