PHP - Arrays
What will be the output of the following PHP code?
$arr = ["a" => 1, "b" => 2];
echo $arr["b"];
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 access by key
$arr["b"] accesses the value with key "b" which is 2.Step 2: Output the value
echo prints the value 2.Final Answer:
2 -> Option BQuick Check:
Access by key "b" = 2 [OK]
Quick Trick: Access associative array values by their keys in brackets [OK]
Common Mistakes:
- Confusing keys with values
- Using wrong key in access
- Expecting keys as output
Master "Arrays" in PHP
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