Q
How can you access the value of a form field named 'username' submitted via the POST method in PHP?

Answer & Solution

Answer: Option B
Solution:
To access form data submitted via the POST method in PHP, you use the $_POST superglobal array followed by the name of the form field as the key.
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Which PHP superglobal array is used to retrieve form data sent with the POST method?

A). $_POST

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What is the purpose of the isset() function in PHP when handling form submissions?

A). To check if a variable is empty

B). To check if a variable is set and is not NULL

C). To check if a variable is numeric

D). To convert a variable to a string

Which PHP superglobal array is used to retrieve form data sent with the POST method?

A). $_POST

B). $_GET

C). $_REQUEST

D). $_SERVER