Answered Sep 01, 2022
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 4 It would have printed echo “Hello world” if the statement was echo “echo ”Hello World””;.
Answer: Option 2 The stripos() function finds the position of the first occurrence of a string inside another string.
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),...
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