Multi-line comments in PHP start with ______ and end with ______.

  • // and //
  • /* and */
  • # and #
Multi-line comments in PHP start with /* and end with */. Everything between these symbols is considered a comment, even if it spans multiple lines. This is a helpful feature for when you want to add longer explanations or temporarily remove a block of code from execution. The other options are not used for multi-line comments in PHP. Learn more: https://www.php.net/manual/en/language.basic-syntax.comments.php

In PHP, to perform a pattern match using a Regular Expression, you can use the preg_match() function where the first argument is the ______ and the second argument is the string to search within.

  • Regular Expression
  • Target string
  • Pattern modifier
  • Replacement string
In PHP, to perform a pattern match using a Regular Expression, you can use the preg_match() function. The first argument passed to preg_match() is the Regular Expression pattern itself. The second argument is the target string or the string within which you want to search for a match. The preg_match() function returns true if the pattern is found within the target string, and false otherwise. It is a powerful function that allows you to search, extract, and manipulate data based on specific patterns defined by Regular Expressions. Learn more: https://www.php.net/manual/en/function.preg-match.php

In PHP, a class is the ______ from which individual objects are created.

  • Blueprint
  • Prototype
  • Instance
  • Model
In PHP, a class is the blueprint from which individual objects are created. It defines the structure, properties, and methods that objects of that class will have. The correct option is "Blueprint." A class provides the template or blueprint for creating objects, which are instances of that class. The other mentioned options (Prototype, Instance, Model) are related to objects but do not specifically refer to the class itself. For further details, refer to the PHP documentation on classes and objects: http://php.net/manual/en/language.oop5.php

What is the software stack called that includes PHP, Apache, and MySQL for Windows?

  • LAMP
  • WAMP
  • MAMP
  • XAMPP
The software stack that includes PHP, Apache, and MySQL for Windows is known as WAMP. "WAMP" stands for Windows, Apache, MySQL, and PHP. This stack provides developers with the necessary environment to test web apps locally before deploying them. Apache is the web server, MySQL is the database, and PHP is the scripting language. Learn more: http://www.wampserver.com/en/

You have a PHP script and you need to access data sent via the POST method from a form. How would you do this using the $_POST superglobal?

  • Use the $_POST['key'] syntax to access the data from the form.
  • Use the $_POST->$key syntax to access the data from the form.
  • Use the $_POST['key'] method to access the data from the form.
  • Use the $_POST->key method to access the data from the form.
To access data sent via the POST method from a form in PHP using the $_POST superglobal, you can use the $_POST['key'] syntax. 'key' represents the name attribute of the form input. For example, to retrieve the value of an input field with name="username", you would use $_POST['username']. This allows you to retrieve and work with the data submitted via an HTML form using the POST method. Learn more: https://www.php.net/manual/en/reserved.variables.post.php

Which PHP function can be used to check if a function has been defined?

  • function_exists()
  • method_exists()
  • class_exists()
  • is_function_defined()
The function_exists() function in PHP can be used to check if a function has been defined. It returns true if the function exists and is callable. The other mentioned options (method_exists(), class_exists(), is_function_defined()) are not specifically used to check if a function has been defined. For more details, refer to the PHP documentation on function_exists(): http://php.net/manual/en/function.function-exists.php

You can define a class in PHP using the class keyword.

  • class
  • object
  • define
  • function
In PHP, you can define a class using the class keyword followed by the class name. The correct option is "class." This allows you to define the structure, properties, and methods of the class. For further details, refer to the PHP documentation on defining classes: http://php.net/manual/en/language.oop5.php

What happens if the file to be included using the include statement in PHP is not found?

  • A fatal error is generated and script execution stops.
  • A warning is generated and script execution continues.
  • The PHP interpreter automatically searches for the file in other directories.
  • The include statement silently fails and does not generate any error.
If the file to be included using the include statement in PHP is not found, a warning is generated, but script execution continues. This can be useful in scenarios where the included file is not essential for the script's functionality.

The min() function in PHP returns the ______ value from a list of numbers.

  • Largest
  • Average
  • Smallest
  • Sum
The min() function in PHP returns the smallest value from a list of numbers. It can accept either an array of numbers or multiple arguments and returns the minimum value among them. This function is useful when you need to find the smallest value in a set of numbers. Learn more: https://www.php.net/manual/en/function.min.php

You need to access server-specific information in your PHP script. How would you do this using the $_SERVER superglobal?

  • Access the desired element of the $_SERVER array using the appropriate key.
  • Use the $_SERVER superglobal as an argument to a function.
  • Assign the value of the desired element to a local variable.
  • Iterate over the elements of the $_SERVER array using a loop.
To access server-specific information using the $_SERVER superglobal in PHP, you can directly access the desired element of the $_SERVER array using the appropriate key. The $_SERVER superglobal is an associative array that contains various server-specific information, such as headers, paths, script locations, server details, and more. By accessing the specific key within the $_SERVER array, you can retrieve the server-specific information needed in your PHP script. Learn more: https://www.php.net/manual/en/reserved.variables.server.php