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PdfNumber
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 toPdf
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1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core;
6
7/**
8 * Represents a PDF numeric object (integer or real number).
9 */
10class PdfNumber implements Serializable
11{
12    public function __construct(public readonly int|float $value) {}
13
14    public function toPdf(): string
15    {
16        if (is_int($this->value)) {
17            return (string) $this->value;
18        }
19
20        // Format float without trailing zeros but with enough precision.
21        // PDF reals should not use scientific notation.
22        $formatted = rtrim(rtrim(sprintf('%.6f', $this->value), '0'), '.');
23        // Edge case: -0 should be 0
24        if ($formatted === '-0' || $formatted === '') {
25            $formatted = '0';
26        }
27
28        return $formatted;
29    }
30}