How to use php to convert word to pdf file

In modern business industries, the need for document conversion has become more and more popular. From manual methods in the past to automated methods today, modern technology has enabled automatic conversion between document formats. This article will focus on how to convert Word files into PDF files using PHP.

1. PHP and LibreOffice

One of the best document conversion libraries is LibreOffice. It is a free and open source software that can convert multiple document formats to other document formats. Using PHP with LibreOffice, you can easily convert Word documents to PDF. Therefore, we need to install LibreOffice on the server.

In Debian or Ubuntu, you can use the following command to install:

sudo apt-get update
sudo apt-get install libreoffice

In CentOS or Fedora, you can use the following command to install:

sudo yum install libreoffice

2. PHP's zip extension

If we need to convert a Word document to PDF, we also need to provide a zip extension in PHP. This extension can package the Word file into Zip format and then pass it to LibreOffice service for conversion. Can be installed via the following command:

sudo apt-get install php-zip

Or on CentOS/RHEL:

sudo yum install php - zip

3. Using PHP code

The following is Simple example of converting Word document to PDF:

// 定义Word文件和PDF文件路径
$pathToDocxFile = '/path/to/sample.docx';
$pathToPdfFile = '/path/to/sample.pdf';

// 使用php-zip扩展打包Word文件
$zip = new ZipArchive();
$zip->open($pathToDocxFile, ZipArchive::CREATE);
$zip->addEmptyDir('word');
$zip->addEmptyDir('word/media');
$zip->close();

// 通过exec命令执行转换过程
$command = "libreoffice --headless --convert-to pdf --outdir /path/to/output/dir $pathToDocxFile";
exec($command);

// 移动生成的PDF文件到指定位置
rename('/path/to/output/dir/sample.pdf', $pathToPdfFile);

4. Notes

In the process of converting Word document to PDF using PHP, Also note the following points:

• Specify the correct path to ensure that the file can be opened and read;
• If necessary, provide the user with additional options that may be needed, Such as font adjustment and paper size change;
• If the generated PDF file needs to retain all the content and format of the original file, you need to use elements such as bookmarks and table of contents in the Word file.

Summary

As an efficient programming language, PHP has become an important part of the modern technology industry. By using PHP with LibreOffice service, you can easily convert Word files to PDF format. By using PHP's zip extension, you can also package Word files into Zip format during code execution. Finally, be careful to specify the correct path during code execution and provide the necessary options to produce the expected output.

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