PHP - Arrays
What will be the output of the following PHP code?
$arr = [1, 2, 3];
$arr[1] = 10;
echo $arr[1];
What will be the output of the following PHP code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand array modification
The code changes the element at index 1 from 2 to 10.Step 2: Identify the echoed value
After modification,$arr[1]is 10, so echo outputs 10.Final Answer:
10 -> Option DQuick Check:
Modified element output = 10 [OK]
Quick Trick: Array index assignment changes value immediately [OK]
Common Mistakes:
- Assuming original value remains unchanged
- Confusing index positions
- Expecting output of entire array instead of single element
Master "Arrays" in PHP
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