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Q Which version of PHP introduced the instanceof keyword?

ID: #2561 Object Oriented Concept of PHP 1,554 views
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#2561Q ID
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Object Oriented Concept of PHPTopic
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  • A PHP 4 ✔ ✖
  • B PHP 5 ✔ ✖
  • C PHP 5.3 ✔ ✖
  • D PHP 6 ✔ ✖
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Using instanceof keyword we can determine whether an object is an instance of a class. $manager = new Employee() … if ($manager instanceof Employee) echo “True”;
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