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What does the setcookie() function do in PHP?

easy📝 Conceptual Q1 of 15
PHP - Sessions and Cookies
What does the setcookie() function do in PHP?
ADeletes a cookie from the client's browser
BReads a cookie value from the client's browser
CSends a cookie from the server to the client's browser
DEncrypts cookie data before sending
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of setcookie()

    The setcookie() function is used to send a cookie from the server to the client's browser.

  2. Step 2: Differentiate from other cookie functions

    Deleting or reading cookies uses other methods like setcookie() with expiration or $_COOKIE superglobal respectively.

  3. Final Answer:

    Sends a cookie from the server to the client's browser -> Option C

  4. Quick Check:

    Function purpose = Sends cookie [OK]
Quick Trick: setcookie() sends cookies to browser, not reads or deletes [OK]
Common Mistakes:
  • Confusing setcookie() with reading cookies
  • Thinking setcookie() deletes cookies
  • Assuming setcookie() encrypts data

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