Before looking mcq on php forms with answers we first know what is form in PHP. PHP forms are an important aspect of web development and provide facilities for the interaction between users and web applications. They enable the collection and submission of data, allowing users to input information such as text, numbers, selections, choices, and file uploads on web pages. We are sharing MCQ on php forms with answers you which are mostly asked during the interview.
These forms are created using HTML and enhanced with PHP for dynamic functionality. PHP empowers developers to handle form submissions, process user inputs, validate data, and perform necessary actions based on the received information.
List of MCQ on PHP Forms with Answers
What function in PHP retrieves data sent through a form using the POST method?
- $_POST[]
- $_GET[]
- $_REQUEST[]
- $_SERVER[]
Answer: 1. $_POST[]
Which attribute is used to specify the PHP script that will process the form data in an HTML form?
- action
- method
- target
- enctype
Answer: 1. action
In PHP, which superglobal array is used to collect form data after submitting an HTML form with the GET method?
- $_REQUEST[]
- $_POST[]
- $_GET[]
- $_SERVER[]
Answer: 1. $_GET[]
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To send a file in an HTML form, which value should the ‘enctype’ attribute of the form have?
- multipart/form-data
- application/x-www-form-urlencoded
- text/plain
- file/upload
Answer: 1. multipart/form-data
Which PHP function is used to check if a form has been submitted?
- form_submitted()
- isset()
- check_form()
- form_sent()
Answer: 2. isset()
Which HTML input type creates a checkbox in a form?
- <input type=”select”>
- <input type=”checkbox>
- <input type=”radio”>
- <input type=”text”>
Answer 2. <input type=”checkbox”>
How can you retrieve the value of a specific input field named “username” from an HTML form using PHP?
- $_POST[‘username’]
- $_GET[‘username’]
- $_REQUEST[‘username’]
- $_INPUT[‘username’]
Answer: 1. $_POST[‘username’]
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Which PHP function is used to sanitize user input to prevent SQL injection attacks?
- filter_input()
- mysqli_real_escape_string()
- htmlspecialchars()
- strip_tags()
Answer: 2. mysqli_real_escape_string()
In PHP, what is the purpose of the header() function when working with form submissions?
- To redirect the user to another page
- To retrieve form data from the server
- To validate form inputs
- To create dynamic form elements
Answer: 1. To redirect the user to another page
What is the HTTP method used by default when submitting an HTML form?
- GET
- POST
- PUT
- DELETE
Answer: 1. GET
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What does the $_POST superglobal variable do in PHP when handling form submissions?
- Retrieves data sent through the URL
- Retrieves data sent through a form using the POST method
- Retrieves data sent through a form using the GET method
- Retrieves data sent through cookies
Answer 2. Retrieves data sent through a form using the POST method
Which of the following functions in PHP is used to sanitize user input from a form?
- strip_tags()
- htmlentities()
- htmlspecialchars()
- filter_var()
Answer 2. htmlspecialchars()
What is the purpose of the enctype attribute in a form?
- Specifies the encoding type for form submission
- Specifies the method for form submission
- Specifies the target window or frame for form submission
- Specifies the name of the form
Answer 1. Specifies the encoding type for form submission
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FAQs on MCQ on PHP Forms with Answers
Which tag is used to create an HTML form for user input?
The <form> tag is used to create an HTML form for user input.
What is the role of form validation in PHP?
Form validation in PHP ensures that data submitted through forms meets specific criteria or rules before processing.
