[TikiWiki-commits] [Git][tikiwiki/tiki][26.x] [FIX] mPDF: Fix broken unicode characters (e.g. à, Δ, ç, ©) in generated PDF

Victor Emanouilov pushed to branch 26.x at Tiki Wiki CMS Groupware / Tiki


Commits:
da77c699 by Adrien Mbuya Maloba at 2025-11-10T14:26:11+02:00
[FIX] mPDF: Fix broken unicode characters (e.g. à, Δ, ç, ©) in generated PDF
---
* [ENH] mPDF: Add unit test for unicode characters encoding

* [FIX] mPDF: Fix broken unicode characters (e.g. à, Δ, ç, ©) in generated PDF

See merge request tikiwiki/tiki!6062

- - - - -


2 changed files:

- lib/pdflib.php
- lib/test/lib/PdfLibTest.php


Changes:

=====================================
lib/pdflib.php
=====================================
@@ -1356,9 +1356,8 @@ function loadHTMLContent($html)
 
     // Set error reporting to ignore warnings
     error_reporting($errorLevel & ~E_WARNING);
-
-    $html = htmlspecialchars($html, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401, 'UTF-8');
-    $html = html_entity_decode($html, ENT_QUOTES | ENT_HTML401, 'UTF-8');
+    //Encode character to HTML numeric string reference
+    $html = mb_encode_numericentity($html, [0x80, 0xfffffff, 0, 0xfffffff], 'UTF-8');
     $doc->loadHTML($html);
 
     // Restore the previous error reporting level


=====================================
lib/test/lib/PdfLibTest.php
=====================================
@@ -41,4 +41,14 @@ HTML;
         $this->assertStringNotContainsString('<sup>&nbsp;[4]&nbsp;</sup><a name="lnk4">ftp://example.tiki.org</a>', $output);
         $this->assertStringNotContainsString('href="ftp://example.tiki.org"', $output);
     }
+
+    public function testEncodeCharacters()
+    {
+        $generator = new PdfGenerator();
+        //Sample unicode character example
+        $content = '&Delta;';
+        $inData = 'Δ';
+        $generator->_parseHTML($inData);
+        $this->assertStringContainsString($content, $inData);
+    }
 }



View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/da77c699e26cb189f3c251073ed72fa558a3f553

-- 
View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/da77c699e26cb189f3c251073ed72fa558a3f553
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