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Questions and Answers
Which of the following statements best describes the role of the PHP interpreter in web development?
Which of the following statements best describes the role of the PHP interpreter in web development?
- It primarily manages database connections and queries, separate from HTML processing.
- It directly displays PHP code in web browsers without server intervention.
- It translates HTML code into PHP code for server-side execution.
- It executes PHP scripts embedded within HTML code to dynamically generate parts of a webpage. (correct)
A developer wants to create a server-side cache for dynamic content using PHP. Which capability of PHP would they utilize to achieve this?
A developer wants to create a server-side cache for dynamic content using PHP. Which capability of PHP would they utilize to achieve this?
- Relying on the web server (e.g., Apache, IIS) to handle caching.
- Directly printing the dynamic content to the user's browser.
- Automatically generating and saving files like XHTML or XML within the server's file system. (correct)
- Using PHP to only output images and PDF files.
In a web server environment, how does an HTTP server interact with PHP to process a request for a PHP-based webpage?
In a web server environment, how does an HTTP server interact with PHP to process a request for a PHP-based webpage?
- The HTTP server ignores the PHP code and only serves the static HTML content.
- The HTTP Server identifies the PHP code and calls a separate PHP process to execute it, then sends the output to the user. (correct)
- The HTTP server converts the PHP code into JavaScript for client-side execution.
- The HTTP server directly executes the PHP code embedded in the webpage.
When choosing a PHP version for server-side development, why is it important to use a stable version?
When choosing a PHP version for server-side development, why is it important to use a stable version?
Which of the following is NOT a primary function typically handled by PHP?
Which of the following is NOT a primary function typically handled by PHP?
What is a key advantage of using PHP for web development in terms of operating system and programming paradigm?
What is a key advantage of using PHP for web development in terms of operating system and programming paradigm?
How does PHP enhance HTML beyond its basic capabilities, particularly in conjunction with a database query language like MySQL?
How does PHP enhance HTML beyond its basic capabilities, particularly in conjunction with a database query language like MySQL?
A developer needs to choose between PHP 7.4.23 and PHP 8.0.10 for a new project. Which of the following considerations is MOST critical in making this decision?
A developer needs to choose between PHP 7.4.23 and PHP 8.0.10 for a new project. Which of the following considerations is MOST critical in making this decision?
Flashcards
What is PHP?
What is PHP?
PHP is a widely-used, open-source scripting language suited for web development, extending HTML with database interaction.
PHP file contents
PHP file contents
PHP files can contain HTML, CSS, JavaScript, text, MySQL, and PHP code, with a '.php' extension.
PHP uses
PHP uses
PHP collects form data, encrypts, manages user access, and handles cookies on the server-side.
PHP's advantage?
PHP's advantage?
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PHP platforms
PHP platforms
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PHP page types
PHP page types
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PHP programming
PHP programming
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PHP execution
PHP execution
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Study Notes
- PHP stands for PHP: Hypertext Preprocessor
- PHP is a widely used, open-source scripting language suited for web development.
- PHP extends the services available in HTML, especially combined with a database query language like MySQL.
- Web pages are written in HTML, with parts created automatically via PHP insertions using the PHP interpreter.
- PHP scripts are executed on a server.
- PHP files can contain HTML, CSS, JavaScript, text, MySQL, and PHP code.
- The file extension for PHP files is ".php".
- PHP code structure is as follows:
<?php//code here?>
- PHP is used to collect form data, encrypt data, control user access, and manage cookies.
- On the server-side, PHP can create, open, read, write, delete, and close files.
- PHP is simple for newcomers but has advanced features for professional programmers.
Why Use PHP?
- PHP can be executed on Windows, Linux, and Mac OS.
- PHP is free and runs on different web browsers.
- PHP is simple to understand and supports wide-range databases.
- PHP can create static and dynamic web pages.
- PHP runs efficiently on the server side.
- Users can choose their operating system and web server with PHP.
- Users can choose procedural programming, object-oriented programming (OOP), or a combination.
- PHP can output images and PDF files, not just HTML.
- PHP can output text, such as XHTML and XML files.
- PHP can autogenerate files and save them in the file system, forming a server-side cache.
Server-Side Development
- PHP is used in a web server environment.
- PHP is a CGI/FastCGI or server module controlled by the HTTP Server like Apache and IIS.
- The HTTP server receives a request for a PHP-based web page and calls the PHP process to execute it.
- The output returns to the HTTP server to be sent to the end-user.
- Two stable versions are available: PHP 7.4.23 and PHP 8.0.10.
- Security, speed, features, and compatibility should be considered when choosing a version to use in server-side development.
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Description
PHP (PHP: Hypertext Preprocessor) is a widely-used, open source scripting language, especially suited for web development and can be executed on different operating systems like Windows, Linux, and Mac OS. PHP files contain HTML, CSS, JavaScript, text, MySQL, and PHP code and the file extension for PHP files is ".php".
