Deck 19: Php

Question 1

The relational operators can be used to compare ________.

A) integers only
B) integers and strings only
C) integers and floating point numbers only
D) integers, strings and floating point numbers

Answer 1

D

Question 2

Which of the following are PHP data types

A) integers, strings and text
B) integers, floating point numbers and text
C) integers, floating point numbers and strings
D) integers, strings and text

Answer 2

C

Question 3

Arrays must be indexed with which of the following data types

A) integers only
B) either an integer or a string
C) an integer, string, or floating point number
D) either an integer or a floating point number

Answer 3

B

Question 4

Which is not a character class in PHP

A) alpha
B) digit
C) numeric
D) lower

Question 5

The regular expression a+ matches

A) the string a+
B) a string of one or more a's
C) a string of zero or more a's
D) a string with a + at the beginning

Question 6

Unlike settype, ________ does not change a variable's content-it creates a temporary copy of a variable's value in memory.

A) gettype
B) concatenation
C) caching
D) casting

Question 7

Type conversions can be performed using function ________.

A) settype
B) print
C) gettype
D) define

Question 8

GET and POST data sent to a PHP script are accessible using the ________ and ________ superglobal arrays.

A) $GET, $POST
B) $GETDATA, $POSTDATA
C) $CLIENT, $SERVER
D) $_GET, $_POST

Question 9

Function preg_match uses regular expressions to search a string for a ________.

A) character
B) digit
C) specified pattern
D) space character

Question 10

The statement $$inputName is ________.

A) referencing a variable whose name is equal to the value of $inputName
B) defining an array named $inputName
C) shorthand for typing $inputName twice
D) a syntax error

Question 11

Which of the following can be used to compare strings

A) ==
B) !=
C) < =
D) All of the above.

Question 12

Validating user input data ensures that ________.

A) data input by the user is in the correct format
B) data entered into the database is in the correct format
C) data input into the database is verified by information found on the client computer
D) All of the above.

Question 13

Which of the following is not a pre-defined function for interacting with MySQL databases

A) mysql_error
B) mysql_connect
C) mysql_fetch_record
D) mysql_fetch_row

Question 14

A cookie that lasts only until the browser is closed is called a ________ cookie.

A) session
B) persistent
C) temporary
D) timed

Question 15

The setcookie function can be called ________.

A) anytime during script execution
B) during the first statement of the script only
C) before any other output
D) None of the above.