[Solved] Identify the error in this PHP code snippet:<?php setcookie('user', 'John'); session_start(); $_SESSION['user'] = 'John'; ?> | PHP

PHP - Sessions and Cookies

Identify the error in this PHP code snippet:

<?php
setcookie('user', 'John');
session_start();
$_SESSION['user'] = 'John';
?>

Asetcookie() must be called before any output

Bsession_start() must be called before setcookie()

CNo error, code is correct

Dsession_start() must be called before any output

Step-by-Step Solution

Solution:

Step 1: Recall output rules for setcookie()
setcookie() sends HTTP headers and must be called before any output.
Step 2: Check code for output before setcookie()
Code snippet does not show output, so no error here.
Final Answer:
No error, code is correct -> Option C
Quick Check:
Headers before output = setcookie() rule [OK]

Quick Trick: Call setcookie() before any HTML or echo output [OK]

Common Mistakes:

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