A. erase
B. fi
C. remove
D. unset
39. Which mode of the fopen() function opens a file for writing and places the file pointer at the end of the file?
A. w
B. a
C. r+
D. w+
40. Which HTTP variable contains the browser type, and browser version, among other values?
A. BROWSE_AGENT
B. BROWSER_TYPE
C. BROWSER_ENV
D. HTTP_USER_AGENT
41. If the current value of $bsns is 4400, what is the new value as a result of this command: $bsns -= 150;
A. -150
B. 150
C. 4250
D. 4400
E. 4550
F. "4400-150"
42. What are used to enclose conditional expressions?
A. brackets [ ]
B. parentheses ( )
C. curly braces { }
D. quotation marks " "
43. Which PHP data type can be either TRUE or FALSE?
A. Truth
B. Integer
C. Boolean
D. Float
44. Which of the following contains variables provided to a script by means of file uploads?
A. $_FILES
B. $_POST
C. $_GET
D. $_ENV
45. Which constant identifies the highest random number that the system can generate?
A. URAND
B. END_NUMBER
C. ULIMIT
D. RAND_MAX
46. PHP provides support for POSIX through functions of which class?
A. grep
B. ereg
C. psx
D. efgrp
47. From a Boolean standpoint, every zero value in PHP is considered:
A. True
B. False
C. Error
D. Null
48. Which function places results in the opposite order of asort()?
A. arsort()
B. rev()
C. trosa()
D. zsort()
49. Which printf type specifier is used for a string?
A. d
B. f
C. s
D. u
50.Which PHP conditional operator means not equal to?
A. !=
B. =!
C. <=>
D. <>
Answers
1. The closing tag used by PHP is ?>. Answer: C.
2. The PHP conditional operator of three equal signs (===) means the values are equal and of the same data type. Answer: C.
