[Solved] What will this PHP code output?$data = ['name' => null, 'age' => 25];$name = $data['name'] ?? 'Guest';$age = $data['age'] ?? 0;echo "Name: $name, Age: $age"; | PHP

PHP - Operators

What will this PHP code output?

$data = ['name' => null, 'age' => 25];
$name = $data['name'] ?? 'Guest';
$age = $data['age'] ?? 0;
echo "Name: $name, Age: $age";

AName: null, Age: 0

BName: , Age: 25

CName: Guest, Age: 25

DName: Guest, Age: 0

Step-by-Step Solution

Solution:

Step 1: Evaluate $name assignment
$data['name'] is null, so $name gets 'Guest'.
Step 2: Evaluate $age assignment
$data['age'] is 25 (not null), so $age gets 25.
Final Answer:
Name: Guest, Age: 25 -> Option C
Quick Check:
Null coalescing replaces null with default = C [OK]

Quick Trick: Null coalescing replaces null values with defaults [OK]

Common Mistakes:

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