[Solved] What is wrong with this PHP code? $arr = ['a' => 'apple', 'b' => 'banana']; $key = array_search('banana', $arr, true); echo $key; | PHP

PHP - Arrays

What is wrong with this PHP code?

$arr = ['a' => 'apple', 'b' => 'banana'];
$key = array_search('banana', $arr, true);
echo $key;

Aecho cannot output string keys

BThird parameter true causes strict type check error

Carray_search() does not accept a third parameter

DNo error; code works correctly

Step-by-Step Solution

Solution:

Step 1: Understand array_search() third parameter
The third parameter enables strict type checking and is valid.
Step 2: Check code correctness
Searching 'banana' with strict check in array works fine; echo outputs key 'b'.
Final Answer:
No error; code works correctly -> Option D
Quick Check:
array_search() accepts third parameter [OK]

Quick Trick: Third parameter in array_search() enables strict check [OK]

Common Mistakes:

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