Basic PHP
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

Never
When the function is being declared as a member of a class
When the parameter is Boolean
When the parameter is being declared as passed by reference
When the function contains only one parameter

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Basic PHP
strval()

None of above
Accepts a value and converts it into an string dictionary
Accepts a value and converts it into string equivalent
Accepts a value and converts it into a string array

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