Getting Started with PHP: PHP and Objective-C
PHP and Objective-C are both popular programming languages in different fields. Objective-C is a programming language used for iOS and OS X development, while PHP is a language used for web development. But although their usage scenarios are different, they have a lot in common because they are all developed based on C language.
First, let’s take a look at PHP.
PHP is an open source server-side scripting language most commonly used for web development. It can be embedded in HTML to dynamically generate Web pages. PHP is closely related to the C language, and it is designed to be an easy-to-learn and use language that you can use to build websites even if you have no programming background.
Using PHP, you can process form data, control user access, send and receive emails, handle file uploads and downloads, and more. It can also easily connect to databases and interact with database servers such as MySQL, PostgreSQL, etc.
When using PHP, you just write some code and embed it into the HTML page. The web server will execute the PHP script and return the generated HTML page to the browser. This approach makes PHP development very easy and fast.
Now let’s look at Objective-C.
Objective-C is an object-oriented programming language commonly used for iOS and OS X application development. It is an extension based on the C language and supports features such as object-oriented programming, dynamic binding, and message passing. Objective-C also supports development through frameworks and class libraries that help you use graphics, audio, networking, databases, and more in your applications.
Like PHP, Objective-C is easy to learn and use. However, if you have no programming experience, it may take some time to understand object-oriented concepts and syntax rules.
Objective-C uses Xcode as the development environment. Xcode is an integrated development environment (IDE) that includes tools such as editors, compilers, debuggers, and graphical user interface designers. Xcode also includes a number of precompiled Objective-C frameworks and libraries that can help you quickly build iOS and OS X applications.
Unlike PHP, Objective-C is a compiled language, so you must first compile (convert to computer executable code) the application before you can run it on the device.
Although PHP and Objective-C are different in application fields, there are many similarities between them. For example, they are all developed based on C language, both are easy to learn and use, and both can help you develop applications quickly. Whether you're just starting to learn programming or already have some experience, you can benefit from these languages.
Finally, if you are considering learning a new programming language, consider PHP or Objective-C. No matter which language you choose, you'll reap the benefits of enhanced programming skills and broader career opportunities.
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mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
