[Solved] Find the problem in this PHP code:trait T1 { public function hello() { return "Hello"; } } trait T2 { public function hello() { return "Hi"; } } class D { use T1, T2; } $obj = new D();... | PHP

PHP - Interfaces and Traits

Find the problem in this PHP code:

trait T1 { public function hello() { return "Hello"; } } trait T2 { public function hello() { return "Hi"; } } class D { use T1, T2; } $obj = new D(); echo $obj->hello();

AFatal error due to method name conflict

BOutputs "Hello"

COutputs "Hi"

DOutputs nothing

Step-by-Step Solution

Solution:

Step 1: Understand trait conflict rules
When multiple traits used in a class have methods with the same name, PHP throws a fatal error unless conflict is resolved.
Step 2: Analyze the code
Traits T1 and T2 both define hello(), class D uses both without conflict resolution, causing fatal error.
Final Answer:
Fatal error due to method name conflict -> Option A
Quick Check:
Trait method conflict = Fatal error [OK]

Quick Trick: Resolve trait method conflicts to avoid fatal errors [OK]

Common Mistakes:

Ignoring method name conflicts in multiple traits
Expecting last trait to override silently
Not using insteadof or as to resolve conflicts

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More PHP Quizzes

Find the problem in this PHP code:

Step 1: Understand trait conflict rules

Step 2: Analyze the code

Final Answer:

Quick Check:

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