[Solved] Identify the mistake in this PHP class method:class Member { public $username; public function setUsername($username) { $username = $username; } } | PHP

PHP - Classes and Objects

Identify the mistake in this PHP class method:

class Member {
  public $username;
  public function setUsername($username) {
    $username = $username;
  }
}

AThe method assigns the parameter to itself instead of the property

BThe property <code>$username</code> is private but accessed publicly

CThe method should be static to access <code>$username</code>

DThe class lacks a constructor to initialize <code>$username</code>

Step-by-Step Solution

Solution:

Step 1: Review assignment
The line $username = $username; assigns the parameter to itself, not to the class property.
Step 2: Correct usage
To assign the parameter to the property, use $this->username = $username;.
Step 3: Other options
Property visibility and static context are not issues here.
Final Answer:
The method assigns the parameter to itself instead of the property -> Option A
Quick Check:
Use $this->property to assign [OK]

Quick Trick: Assign to property with $this->property [OK]

Common Mistakes:

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