Answered Sep 01, 2022
Answer: Option 2
Because the provided username is not all lowercase, ereg() will not return FALSE (instead returning the length of the matched string, which PHP will treat as TRUE), causing the message to output.
Answer: Option 3 The code uses preg_match to check for a keyword and replies based on whether it is true (1) or false (0).
Answer: Option 2 b is undeclared if TV() is not called first.
Answer: Option 1 This one works because b is declared independent of TV() also.
Answer: Option 2 Function b is declared twice.
Answer: Option 3 b is declared as TV() is executed first.
Answer: Option 3 If a break statement isn’t present, all subsequent case blocks will execute until a break statement is located.
Answer: Option 3 In PHP, all variables are case-sensitive.
Answer: Option 1 # is a single line comment.
Answer: Option 2 The stripos() function finds the position of the first occurrence of a string inside another string.
Answer: Option 3 To delete the session variable ‘username’ we use the unset() function.
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