Basic PHP
If you echo a Boolean variable, the value FALSE displays as a .... and the value TRUE echoes as a .....

0, 1
blank string, 2
empty variable, 1
blank string, 1

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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 a string array
Accepts a value and converts it into string equivalent

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