sementara

2026-01-30 14:44:14 +07:00
parent f402c0831a
commit aceff4f006
29 changed files with 2144 additions and 93 deletions
--- a/Helpers/PdfHelper.php
+++ b/Helpers/PdfHelper.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace Modules\Lpj\Helpers;
+
+class PdfHelper
+{
+    /**
+     * Format text for PDF output to handle special characters
+     *
+     * @param string $text
+     * @return string
+     */
+    public static function formatText($text)
+    {
+        if (empty($text)) {
+            return '';
+        }
+
+        // Common problematic characters and their safe replacements
+        $replacements = [
+            '<' => '&lt;',
+            '>' => '&gt;',
+            '&' => '&amp;',
+            '"' => '&quot;',
+            "'" => '&#39;',
+            '≤' => '&le;',
+            '≥' => '&ge;',
+            '≠' => '!=',
+            '≈' => '~',
+            '×' => 'x',
+            '÷' => '/',
+            '–' => '-',
+            '—' => '-',
+            '' => '"',
+            '' => '"',
+            '' => "'",
+            '' => "'",
+        ];
+
+        // First pass: replace with HTML entities
+        $safeText = str_replace(array_keys($replacements), array_values($replacements), $text);
+
+        // Ensure UTF-8 encoding
+        if (!mb_check_encoding($safeText, 'UTF-8')) {
+            $safeText = mb_convert_encoding($safeText, 'UTF-8', 'auto');
+        }
+
+        // Remove any remaining non-ASCII characters that could cause issues
+        $safeText = preg_replace('/[^\x20-\x7E\xA0-\xFF]/', '', $safeText);
+
+        return $safeText;
+    }
+
+    /**
+     * Format mathematical symbols to text representation
+     *
+     * @param string $text
+     * @return string
+     */
+    public static function formatMathSymbols($text)
+    {
+        if (empty($text)) {
+            return '';
+        }
+
+        $mathReplacements = [
+            '<' => 'kurang dari',
+            '>' => 'lebih dari',
+            '<=' => 'kurang dari sama dengan',
+            '>=' => 'lebih dari sama dengan',
+            '!=' => 'tidak sama dengan',
+            '==' => 'sama dengan',
+            '≤' => 'kurang dari sama dengan',
+            '≥' => 'lebih dari sama dengan',
+            '≠' => 'tidak sama dengan',
+            '≈' => 'kira-kira',
+            '≡' => 'identik dengan',
+            '≅' => 'hampir sama dengan',
+        ];
+
+        return str_replace(array_keys($mathReplacements), array_values($mathReplacements), $text);
+    }
+}