[Solved] Identify the error in this PHP code:interface Printer { public function print(); } class Document implements Printer { // Missing print() method } | PHP

PHP - Interfaces and Traits

Identify the error in this PHP code:

interface Printer {
  public function print();
}

class Document implements Printer {
  // Missing print() method
}

AInterface Printer cannot have methods

BClass Document must implement print() method

CClass Document should extend Printer

DNo error, code is valid

Step-by-Step Solution

Solution:

Step 1: Check interface method requirements
Printer interface declares print() method.
Step 2: Verify class implementation
Document implements Printer but does not define print(), causing error.
Final Answer:
Class Document must implement print() method -> Option B
Quick Check:
Interface methods must be implemented [OK]

Quick Trick: Implement all interface methods to avoid errors [OK]

Common Mistakes:

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