Question -
What will be the output of the following PHP code?
Options:
A .  Peter_is_a_great_guy!
B .  Peterisagreatguy!
C .  Peter is a great guy!
D .  Error
Answer: Option C The code above converts all “_” to white spaces. Call the filter_var() function with the FILTER_CALLBACK filter and an array containing our function.
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