[Solved] What will be the output of the following PHP code?$a = new DateTime(); if ($a instanceof DateTime) { echo 'Yes'; } else { echo 'No'; } | PHP

PHP - Inheritance and Polymorphism

What will be the output of the following PHP code?

$a = new DateTime();
if ($a instanceof DateTime) {
    echo 'Yes';
} else {
    echo 'No';
}

AYes

BNo

CError

DNothing

Step-by-Step Solution

Solution:

Step 1: Understand object creation
$a is created as a new instance of the DateTime class.
Step 2: Check instanceof condition
The condition $a instanceof DateTime is true because $a is exactly a DateTime object.
Final Answer:
Yes -> Option A
Quick Check:
Object is DateTime = Yes [OK]

Quick Trick: If object matches class, instanceof returns true [OK]

Common Mistakes:

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