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How to create PDF using PHP?

王林Original: 2024-04-20 11:39:021022browse

How to use PHP to create PDF. Install the required libraries: PHP 7.1 or above, mPDF library. Create PDF files: instantiate mPDF objects, write HTML content, and output PDF files. Practical case: Generate user invoices, including customer information, invoice information, product list and total amount.

如何使用 PHP 创建 PDF？

Create PDF using PHP

Required tools:

PHP 7.1 or above
mPDF library

Install mPDF library:

Install mPDF through Composer:

composer require mpdf/mpdf

Create PDF file:

<?php
require_once __DIR__ . '/vendor/autoload.php';

$mpdf = new \mPDF();
$mpdf->WriteHTML('<h1>Hello, PDF!</h1>');

$mpdf->Output('hello-pdf.pdf', 'D');

Practical case: Generate user invoice

<?php
require_once __DIR__ . '/vendor/autoload.php';

$data = [
    'user' => [
        'name' => 'John Doe',
        'address' => '123 Main Street',
        'city' => 'Anytown',
        'zip' => '12345'
    ],
    'invoice' => [
        'number' => 'INV-001',
        'date' => '2023-03-08',
        'items' => [
            [
                'name' => 'Item 1',
                'price' => 10,
                'quantity' => 2
            ],
            [
                'name' => 'Item 2',
                'price' => 15,
                'quantity' => 1
            ]
        ]
    ]
];

$mpdf = new \mPDF();
$mpdf->WriteHTML(render_invoice($data));

$mpdf->Output('invoice.pdf', 'D');

function render_invoice($data) {
    $html = <<<HTML
    <h1>Invoice #{$data['invoice']['number']}</h1>
    <p>Date: {$data['invoice']['date']}</p>
    <hr>

    <p><strong>Customer:</strong></p>
    <ul>
        <li>{$data['user']['name']}</li>
        <li>{$data['user']['address']}</li>
        <li>{$data['user']['city']}, {$data['user']['zip']}</li>
    </ul>

    <table border="1">
        <thead>
            <tr>
                <th>Item</th>
                <th>Price</th>
                <th>Qty</th>
                <th>Total</th>
            </tr>
        </thead>
        <tbody>
            {foreach $data['invoice']['items'] as $item}
            <tr>
                <td>{$item['name']}</td>
                <td align="right">{$item['price']}</td>
                <td align="right">{$item['quantity']}</td>
                <td align="right">{$item['price'] * $item['quantity']}</td>
            </tr>
            {/foreach}
        </tbody>
        <tfoot>
            <tr>
                <th colspan="3" align="right">Total:</th>
                <td align="right">{$total_amount}</td>
            </tr>
        </tfoot>
    </table>
HTML;
    return $html;
}

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