Basic PHP
How does the identity operator === compare two values?

It returns True only if they are both of the same type and value
It bases its comparison on the C strcmp function exclusively
If the two values are strings, it performs a lexical comparison
It converts them to a common compatible data type and then compares the resulting values
It converts both values to strings and compares them

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

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

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