PHP - Arrays
What will this code output?
$data = [
'x' => [10, 20],
'y' => [30, 40]
];
echo $data['y'][1];
What will this code output?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Locate $data['y'] array
$data['y'] is [30, 40].Step 2: Access index 1 of $data['y']
Index 1 is 40.Final Answer:
40 -> Option CQuick Check:
Access associative key then index = 40 [OK]
Quick Trick: Use key then index to get nested value [OK]
Common Mistakes:
- Using wrong index 0 instead of 1
- Mixing keys 'x' and 'y'
- Assuming output is an array
Master "Arrays" in PHP
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