► Ruby uses the super keyword to call the superclass implementation of the current method.
► Within the body of a method, calls to super acts just like a call to that original method.
► The search for a method body starts in the superclass of the object that was found to contain the original method.
def url=(addr)
super (addr.blank? || addr.starts_with?('http')) ? addr : http://#{addr}
end
Explain the purpose of output buffering in PHP?
Explain the different types of errors in PHP?
What are PSRs? Choose 1 and briefly describe it?
How can we get the IP address of the client?
What is the difference between $var and $$var in PHP?
How do you load classes in PHP?
In PHP what is the difference between a Class and an Interface?
What is the purpose of _FILE_ constant?
How will you define a constant in PHP?
require_once(), require(), include(). What is difference between them?
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