Test your basic knowledge |

Php Programming Basics

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Used to check if a given variable has an "empty" value - no value or 0 or FALSE.
predefined variable
Shebang
empty()
HTML

2. the most basic function in PHP used to output information to the page
wordwrap()
echo
XOR
sort()

3. $_SERVER is a ________ variable.
strtok()
integer
predefined
XOR

4. To reset an array _______ the array() function to the array
integer
reassign
Warning
error_reporting (E_ALL)

5. Hyper Text Markup Language
<?php
asort()
HTML
foreach loop

6. To set up error reporting
nl2br()
double quotes
index
function error_reporting()

7. Search Engine Optimization
open source
preg_replace()
predefined
SEO

8. To get time data
empty()
predefined
open source
date()

9. To close a connection between a database
associative array
preg_match()
$$
mysql_close($dbc)

10. To sort values of an array in reversed order
strlen()
rsort()
general
$var++ and $var

11. This error arises from misusing a function.
error_reporting (E_ALL | E_STRICT)
Warning
0
curly braces; ${$total}

12. The seven main SQL (structured query language) functions are alter - create - delete - _______ - insert - select - update
<?php
round() Function
drop
the escape character ''

13. identity
predefined
boolean
===
Parse error

14. A conditional or loop is a ________________.
control structure
html_entity_decode()
trim()
Array

15. Function can you use to format a number with commas
ceil()
addcslashes()
number_format()
crypt()

16. bitwise right shift
mysql_close($dbc)
>>
floor()
strtok()

17. All variables must begin with _________.
ini_set ('display_errors', 1)
preg_match()
Warning
the dollar sign $

18. _______ is a comparison operator
!= inequality
strlen()
wordwrap()
error_reporting (E_ALL & -E_NOTICE)

19. _________ can be used in conditional statements to set precedence
parentheses
SGML
wordwrap()
array()

20. _____ is a logical operator
+
XOR
string
trim()

21. Function used to find the absolute value of a number or numeric variable
<?php
array()
PHP
abs()

22. $_POST and $_GET are ________ variables.
predefined
SGML
Parse error
define()

23. Converts a string of ASCII characters to hexadecimal values
bin2hex()
str_ireplace()
strip_tags()
define()

24. a language in which to make querys to a database with
Notice
sql
define()
PHP

25. This will show all error reporting except for notice errors.
foreach loop
string
variable
error_reporting (E_ALL & -E_NOTICE)

26. Used to convert certain HTML tags into their entity versions.
statement
strtok()
htmlspecialchars()
sql

27. This will show all errors that fall under E_ALL or E_STRICT - the pipe | is used for 'or' so that errors that fall under either will be shown.
the escape character ''
sort()
error_reporting (E_ALL | E_STRICT)
function error_reporting()

28. The order of operations.
general
precedence
mysql_fetch_array()
open source

29. Variable names can begin with __________
preg_match()
underscores
drop
rand()

30. The three types of loops in PHP are: for - while - ____.
ini_set ('display_errors', 1)
error_reporting (E_ALL)
foreach
crypt()

31. container of ordered data elements
predefined variable
empty()
^
Array

32. Asynchronous Javascript And XML
+= or -= or *= or /=
foreach loop
string
AJAX

33. signed floating-point value
!= inequality
Notice
float
general

34. Used to check if a variable has a valid numerical value; strings with numerical values pass.
is_numeric()
reassign
SEO
>>

35. This will show all error reporting.
decimal
error_reporting (E_ALL)
define()
addcslashes()

36. The prefix for a dynamic variable - also known as a variable variable
$$
foreach loop
fopen()
>>

37. Tag to begin a php script
<?php
strtok()
if/elseif/else and switch statements
str_ireplace()

38. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
PHP
superglobal
0
floor()

39. bitwise left shift
open source
defined()
<<
PHP

40. Control structure that continue exit - they perform specific statements for a determined number of iterations.
strlen()
Array
loops
<<

41. This fatal error arises from memory allocation problem.
predefined
AJAX
$_GET[]
Error

42. ____ or key is referred to for a value within an array.
getrandmax()
strip_tags()
index
asort()

43. any programing language where the script is parsed on the server
$_SESSION[]
foreach loop
server-side programing
error_reporting (0)

44. Hypertext Preprocessor - a server-side programing language used to create webpages
HTML
PHP
control structure
POST

45. A data structure that can hold a number of items of data of the same type eg. a list of names
array
date()
drop
Constant

46. Use ______ when a variable contains any amount of variables; in general.
double quotes
float
date()
Array

47. To find how many substrings are in a string
foreach
substr_count()
switch
XOR

48. a database which is best supported by PHP
function
include() and require()
!= inequality
mysql

49. either hasn't yet been set or is assigned NULL value
octal
$_GET[]
null
error_reporting (0)

50. To create an array
DTD
array()
the dollar sign $
sql