[Solved] Identify the error in this PHP code snippet: $arr = ['x' => 1, 'y' => 2]; $key = array_search(2); echo $key; | PHP

PHP - Arrays

Identify the error in this PHP code snippet:

$arr = ['x' => 1, 'y' => 2];
$key = array_search(2);
echo $key;

Aarray_search() cannot search numeric values

BMissing second parameter (array) in array_search()

Cecho cannot print array keys

DArray keys must be integers

Step-by-Step Solution

Solution:

Step 1: Check array_search() parameters
array_search() requires two parameters: value and array.
Step 2: Identify missing parameter
Code calls array_search(2) without the array parameter, causing an error.
Final Answer:
Missing second parameter (array) in array_search() -> Option B
Quick Check:
array_search() needs value and array [OK]

Quick Trick: array_search() needs both value and array parameters [OK]

Common Mistakes:

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