Question 79
Which of the following sentences are not true? (Choose 2)
A. strpos() allows searching for a substring in another string.
B. strrpos() allows searching for a substring in another string.
C. strpos() and strrchr() return -1 if the second parameter is not a substring
of the first parameter.
D. strpos() and strrpos() can return a value that is different from an integer.
E. The second parameter to substr() is the length of the substring to extract.
F. strstr() returns false if the substring specified by its second parameter is
not found in the first parameter.