Free PHP Exam Quiz with Certificate: Check Your Knowledge for Certification

Are you looking to test your PHP skills and earn a certification to boost your resume? Look no further! We are excited to introduce our Free PHP Exam Quiz with Certificate. This is a fantastic opportunity for both beginners and experienced developers to assess their PHP knowledge and gain a recognized certificate upon successful completion.

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PHP Skill Exam

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1. What is the difference between a closure and an anonymous function in PHP?

Option: There is no difference.

Option: A closure can access variables from its surrounding scope, while an anonymous function cannot.

Option: Closures can be used as callbacks, while anonymous functions cannot.

Option: Anonymous functions are faster to execute than closures.

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2. What is the PSR standard and why is it important?

Option: A specific web framework for PHP development.

Option: A set of recommendations for consistent code formatting and structure in PHP projects.

Option: A security standard for validating user input.

Option: A library for database interaction.

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3. What is the correct syntax for declaring a variable in PHP?

Option: var name = value;

Option: $name = value;

Option: int name: value;

Option: name = (value);

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4. What is the difference between include and require in PHP?

Option: There is no difference.

Option: include continues script execution even if the file cannot be included, while require halts execution.

Option: include is used for header files, while require is used for code files.

Option: include is faster than require.

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5. What symbol is used to add comments to a single line of PHP code?

Option: *

Option: //

Option: []

Option: None of the above

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6. What is the difference between a shallow copy and a deep copy of an array in PHP?

Option: There is no difference.

Option: A shallow copy copies the references to elements in the original array, while a deep copy copies the actual element values.

Option: A shallow copy can only be done with associative arrays, while a deep copy works for all arrays.

Option: Shallow copy is faster, while deep copy is slower.

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7. What is the recommended way to connect to a database using prepared statements in PHP (using mysqli for example)?

Option: Use string concatenation to build the query string.

Option: Use prepared statements with placeholders and bind variables for data.

Option: There is no significant difference between the two approaches.

Option: String concatenation is simpler and faster.

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8. What is the difference between an object and a class in PHP?

Option: There is no difference.

Option: A class is a blueprint, while an object is an instance of that blueprint.

Option: Classes define static methods, while objects define instance methods.

Option: Objects can inherit properties, while classes cannot.

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9. What function is used to sort an array in PHP?

Option: sort()

Option: order()

Option: arrange()

Option: list()

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10. What is the purpose of a web service in PHP?

Option: To define a user interface for a web application.

Option: To exchange data between different applications or systems using standardized protocols.

Option: To improve code readability and maintainability.

Option: To handle user authentication and authorization.

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11. What is the correct way to iterate through an object's properties in PHP?

Option: for ($i = 0; $i < count($object); $i++) { ... } (objects don't have a numerical index)

Option: foreach ($object as $key => $value) { ... }

Option: while ($object != null) { ... }

Option: None of the above

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12. What is the purpose of a database schema and how does it relate to a PHP application?

Option: A database schema is a visual representation of the user interface for a web application.

Option: A database schema defines the structure of a database, including tables, columns, data types, and relationships. This structure is essential for interacting with the database from your PHP application.

Option: A database schema is a specific type of query used in PHP.

Option: The database schema is irrelevant to how a PHP application interacts with the database.

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13. What is the purpose of a unit test and how does it benefit PHP development?

Option: To test the user interface of a web application.

Option: To isolate and test individual units of code (functions, classes) for correctness and reliability.

Option: To test the performance of the entire application.

Option: To identify visual bugs in the application.

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14. Which statement is used to create an associative array in PHP?

Option: $array = array(1, 2, 3);

Option: $array = [1, 2, 3];

Option: $array = ["key1" => "value1", "key2" => "value2"];

Option: $array = {key1: "value1", key2: "value2"}

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15. How do you access form data submitted using the POST method in PHP?

Option: $data = $_GET;

Option: $data = $_POST;

Option: $data = $_REQUEST;

Option: $data = form_data();

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16. What is the difference between a GET and POST request in PHP?

Option: There is no difference.

Option: GET requests append data to the URL, while POST requests send data in the request body.

Option: GET requests are faster, while POST requests are more secure.

Option: GET requests can only send text data, while POST requests can send any data type.

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17. What is the difference between a $_SERVER and a $_GET superglobal variable?

Option: There is no difference.

Option: $_SERVER contains information about the server environment, while $_GET contains query string arguments from the URL.

Option: $_SERVER is used for form data, while $_GET is for URL parameters.

Option: $_SERVER is read-only, while $_GET can be modified.

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18. How do you escape special characters in a string to be displayed literally in PHP?

Option: Single quotes (') only

Option: Double quotes (") only

Option: Backslash () before the special character (e.g., " for double quote)

Option: None of the above

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19. What is the difference between a static method and an instance method in a class?

Option: There is no difference.

Option: A static method can be called without creating an object of the class, while an instance method requires an object.

Option: Static methods are used for calculations, while instance methods are used for object manipulation.

Option: Static methods can only be accessed from within the class, while instance methods can be called from anywhere.

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20. What is the purpose of a $_SESSION variable in PHP?

Option: To store global configuration data.

Option: To store information between page requests for a single user.

Option: To define constants used throughout the script.

Option: To access data from a database.

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Why Take the PHP Exam Quiz?

1. Self-Assessment: The quiz allows you to evaluate your PHP programming skills, helping you identify your strengths and areas for improvement.
2. Certification: Upon passing the quiz, you’ll receive a certificate that you can add to your resume, LinkedIn profile, or personal portfolio, showcasing your PHP expertise to potential employers.
3. Career Advancement: A PHP certification can enhance your job prospects, making you a more attractive candidate for web development positions.
4. Confidence Boost: Successfully passing the quiz and earning a certificate can boost your confidence, validating your knowledge and skills.

What to Expect from the Quiz?

Our PHP exam quiz is designed to cover a wide range of topics, ensuring a comprehensive assessment of your PHP knowledge. Here are some areas you can expect to be tested on:

• Basic Syntax and Variables: Understanding PHP tags, basic syntax, and variable declarations.
• Control Structures: Mastery of if-else statements, switch cases, and loops (for, while, do-while).
• Functions: Knowledge of defining and calling functions, variable scope, and built-in functions.
• Arrays: Familiarity with array types, array functions, and array manipulation techniques.
• Forms and User Input: Handling form data, GET and POST methods, and validation techniques.
• File Handling: Reading from and writing to files, file handling functions.
• Error Handling: Implementing error and exception handling.
• Database Interaction: Basic understanding of connecting to a database, performing CRUD operations using MySQLi or PDO.

FAQ of PHP Certification

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Start Your PHP Certification Journey Today!

Don’t miss out on this opportunity to validate your PHP skills and enhance your career prospects. Sign up for our Free PHP Exam Quiz with Certificate today and take the first step towards becoming a certified PHP developer. Whether you’re a student, a professional developer, or a hobbyist, this quiz is a valuable tool to measure and showcase your PHP proficiency.

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