dompdf character encoding UTF-8

2019-01-12 06:02发布

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问题:

Im trying to create pdf with correct characters, but there are "?" chars. I created a test php file, where Im trying to fing the best solution. If Im open in the browser the html I looks like ok

UTF-8 --> UTF-8 : X Ponuka číslo € černý Češký

But when I look into the pdf I see this

UTF-8 --> UTF-8 : X Ponuka ?íslo € ?erný ?ešký

Here is my all code:

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>č s š Š</title>
</head>
<body>
<?php 

require_once("dompdf/dompdf_config.inc.php");
$tab = array("UTF-8", "ASCII", "Windows-1250", "ISO-8859-2", "ISO-8859-1", "ISO-8859-6", "CP1256"); 
$chain = '<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <style></style><title>č s š Š</title></head><body>';
foreach ($tab as $i) 
    { 
        foreach ($tab as $j) 
        { 
            $chain .= "<br> $i --> $j : ".iconv($i, $j, 'X Ponuka číslo € černý Češký <br>'); 
        } 
    } 
$chain .= '<p style="font-family: firefly, verdana, sans-serif;">??????X Ponuka číslo € černý Češký <br></p></body></html>';
echo $chain; 
echo 'X Ponuka číslo € černý Češký <br>'; 

$filename = 'pdf/_1.pdf';
$dompdf = new DOMPDF();
$dompdf->load_html($chain, 'UTF-8');
$dompdf->set_paper('a4', 'portrait'); // change these if you need to
$dompdf->render();
file_put_contents($filename, $dompdf->output());

?> 
</body>
</html>

What Im doing wrong? I tried many many options which I found :( Any idea?

回答1:

You should read over the Unicode How-to again. The main problem is that you don't specify a font that supports your characters. It looks like you've read the how-to, because you're using the font example from that document. However the example was not meant to apply globally to any document, dompdf doesn't include firefly (a Chinese character font) or Verdana by default.

If you do not specify a font then dompdf falls back to one of the core fonts (Helvetica, Times Roman, Courier) which only support Windows ANSI encoding. So always be sure to style your text with a font that supports Unicode encoding and has the characters you need to display.

With dompdf 0.6.0 you can use the included Deja Vu fonts. So the following should work (just the HTML):

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<style>
  body { font-family: DejaVu Sans, sans-serif; }
</style>
<title>č s š Š</title>
</head>
<body>
  <p>??????X Ponuka číslo € černý Češký <br></p>
</body>
</html>

回答2:

I got UTF-8 characters working with this combination. Before you pass html to DOMpdf, make encoding covert with this:

$html = mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8');

Use DejaVu font in your css

*{ font-family: DejaVu Sans; font-size: 12px;}

Make sure you have set utf-8 encoding in HTML <head> tag

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

Now all special characters are working "ľ š č ť ž ý á í é"

回答3:

Only Add

  <style>
    *{ font-family: DejaVu Sans !important;}
  </style>

before </head> It is working for me.

回答4:

utf8_decode() did the trick for me with some German translations like ä and ü.

echo utf8_decode('X Ponuka číslo € černý Češký <br>');

回答5:

Nothing out of mentioned answers helped me. After hours of struggle I switched to niklasravnsborg/laravel-pdf has nearly exactly the same syntax and usage, and everything is working allright.

回答6:

If you don't mind having only one charset you can change every charset in dompdf_font_family_cache.dist.php

just like

<?php
$distFontDir = $rootDir . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'fonts' . DIRECTORY_SEPARATOR;
return array(
    'sans-serif' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'times' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'times-roman' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'courier' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'helvetica' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'zapfdingbats' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'symbol' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'serif' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'monospace' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'fixed' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'dejavu sans' =>
    array(
        'bold' => $distFontDir . 'DejaVuSans-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSans-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSans-Oblique',
        'normal' => $distFontDir . 'DejaVuSans'
    ),
    'dejavu sans mono' =>
    array(
        'bold' => $distFontDir . 'DejaVuSansMono-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSansMono-BoldOblique',
        'italic' => $distFontDir . 'DejaVuSansMono-Oblique',
        'normal' => $distFontDir . 'DejaVuSansMono'
    ),
    'dejavu serif' =>
    array(
        'bold' => $distFontDir . 'DejaVuSerif-Bold',
        'bold_italic' => $distFontDir . 'DejaVuSerif-BoldItalic',
        'italic' => $distFontDir . 'DejaVuSerif-Italic',
        'normal' => $distFontDir . 'DejaVuSerif'
    )
)
?>

I know it's not the best way, but it saves lot of time

回答7:

Chinese characters are causing problems sometimes. The important part is to have good font here is a list you can download.

I chose first named "Kai Bold Font" here is a download page

Then put it on your hosting service in a public folder. I put it into

http://192.168.10.10/fonts/pdf/wts11.ttf

and here is my html example

$html = <<<EOT
<!DOCTYPE html>
<html>
<head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <style>
    @font-face {
      font-family: chinese;
        src: url('http://192.168.10.10/fonts/pdf/wts11.ttf') format('truetype');
    }
    .chineseLanguage { font-family: chinese; }
      body {font-family: DejaVu Sans, sans-serif;}
   </style>
</head>
<body>
    Chinese
    <div class='chineseLanguage'>
        忠烈祠
        中文 - 这工作<br> 
    </div>
    hello world <br> 
    Russian - русский текст <br>
    Greek - α,β,γ,δ,ε <br>
    chars - !@#$%^&* -=- €   <br><br>
    <br>
    Hebrew (iw)<br><br>
    דג סקרן שט בים מאוכזב ולפתע מצא לו חברה איך הקליטה<br>
    <br>    
</body>
</html>
EOT;

PS. there is a little chance you might need this set:

ini_set("allow_url_fopen", true);

回答8:

I had the same problem and I solved it very simple. Just import google fonts with required language subset in your CSS file which is used when generating HTML. Specify utf-8 in your HTML file and it's working...

@import url('https://fonts.googleapis.com/css?family=Roboto:400,700&subset=latin-ext');
body {font-family: 'Roboto', sans-serif;}

回答9:

Dompdf does not support fallback fonts, so you can't use your favorite font if it does not support your characters, and you also can't set another font to be the fallback font for those characters like droid sans fallback.

What you can do instead is take advantage of regex unicode script ranges: https://www.regular-expressions.info/unicode.html to wrap those blocks of text into spans and give them the fallback font.

Example:

$body = 'test 简化字 彝語/彝语 test číslo € černý Češký';

$cjk_scripts = 'Bopomofo|Han|Hiragana|Katakana';
$cjk_scripts = preg_replace('/[a-zA-Z_]+/', '\\p{$0}', $cjk_scripts);

// wrap the CJK characters into a span with it's own font
$body = preg_replace("/($cjk_scripts)+/isu", '<span class="cjk">$0</span>', $body);

// a font that supports CJK characters
$cjk_font_path = APP_PATH.'/fonts/DroidSansFallbackFull.ttf';

$html = <<<HTML
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<style type="text/css">
@font-face {
    font-family: 'DroidSansFallbackFull';
    font-style: normal;
    font-weight: 400;
    src: url('$cjk_font_path') format('truetype');
}
body {
    font-family: DejaVu Sans, sans-serif;;
}
.cjk {
    font-family: DroidSansFallbackFull, sans-serif;
}
</style>
</head>
<body>$body</body>
</html>
HTML;

$dompdf = new \DOMPDF();
$dompdf->set_paper('A4');
$dompdf->load_html($html);
$dompdf->render();

$dompdf->stream('test.pdf', ['Attachment'=>0]);

Related: https://github.com/dompdf/dompdf/issues/1508

回答10:

I had similar problem and ended up using tcpdf.Hope this could be helpful. http://www.tcpdf.org/
Problem was the font i was using.I was able to get the correct output using this font 'freeserif'.I guess it might be possible to get the same output using this font with dompdf.

$pdf->SetFont('freeserif', '', 12);

Here is the sample i have used. tcpdf utf-8 sample

<?php
header('Content-type: text/html; charset=UTF-8') ;//chrome
require_once('tcpdf_include.php');

// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);

$pdf->setFontSubsetting(true);

$pdf->SetFont('freeserif', '', 12);

$pdf->AddPage();

$utf8text = '
<html><head>  
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head><body>
<b>Ponuka číslo € černý Češký </b></br>
සිංහල  </br>
<u>தேமல </u> </br>
</body></html>';

$pdf->SetTextColor(0, 63, 127);

$pdf->writeHTML($utf8text, true, 0, true, true);

$pdf->Output('example_008.pdf', 'I');

?>