[Solved] Find the problem in this PHP code snippet:interface Printer { public function print(); }class Document implements Printer { public function print($text) { echo $text; }} | PHP

PHP - Interfaces and Traits

Find the problem in this PHP code snippet:

interface Printer { public function print(); }
class Document implements Printer {
  public function print($text) { echo $text; }
}

AInterface methods cannot be public

BClass cannot implement more than one interface

CClass method has a parameter but interface method does not

DNo problem, code is valid

Step-by-Step Solution

Solution:

Step 1: Check interface method signature
Interface method print() has no parameters.
Step 2: Check class method signature
Class method print($text) has one parameter, causing mismatch.
Final Answer:
Class method has a parameter but interface method does not -> Option C
Quick Check:
Method signatures must match exactly [OK]

Quick Trick: Interface and class method parameters must match [OK]

Common Mistakes:

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