Find the problem in this PHP script that tries to keep a counter across runs:

medium📝 Debug Q7 of 15

PHP - Request Lifecycle

<?php
$counter = 0;
$counter++;
echo $counter;
?>

AMissing session_start() to use sessions

BEcho statement syntax error

CIncorrect increment operator used

DVariables reset each run, so counter never increases beyond 1

Step-by-Step Solution

Solution:

Step 1: Analyze variable reset behavior
$counter is set to 0 every run, so increment always starts from zero.
Step 2: Understand why counter does not persist
Without persistent storage like sessions, variables reset and counter never grows.
Final Answer:
Variables reset each run, so counter never increases beyond 1 -> Option D
Quick Check:
Variables reset each run = counter resets [OK]

Quick Trick: Variables reset each run unless stored in session or file [OK]

Common Mistakes:

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