How to check if a property exists in an object?

To check whether a property exists in an object, use property_exists(). isset() - Determine if a variable is declared and is different than NULL array_keys() - Return all the keys or a subset of the keys of an array in_array() - Checks if a value exists in an array
For More Information Please Refer:
https://www.php.net/manual/en/function.array-key-exists.php
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