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 variable has a valid numerical value; strings with numerical values pass.
single quotes
mysql_fetch_object()
is_numeric()
==

2. searches the subject for matches to a given pattern replaced with the given replacement text
include() and require()
preg_replace()
associative array
str_ireplace()

3. bitwise left shift
<<
$_POST[]
underscores
$array[] = item

4. Operators used to operate and assign
Constant
+= or -= or *= or /=
==
$_POST[]

5. To refer to an element in a multidimensional array list the indices in order of _____ to more precise;
reassign
nl2br()
preg_match()
general

6. To get over quotation marks while using arrays
nl2br()
count()
error_reporting (0)
curly braces

7. A data structure that can hold a number of items of data of the same type eg. a list of names
str_word_count()
error_reporting (E_ALL | E_STRICT)
abs()
array

8. a database which is best supported by PHP
string
mysql
$dbc = mysql_connect(hostname, username, password)
predefined

9. An array whose keys are numbers.
error_reporting (E_ALL | E_STRICT)
mysql_fetch_object()
XML
indexed array

10. Variable names cannot begin with _______
numbers
===
SEO
str_ireplace()

11. The prefix for a dynamic variable - also known as a variable variable
the dollar sign $
the period; .
indexed array
$$

12. To iterate over the values of an array
define()
float
for ($i = 0; $i < count($array); $i++) {statement(s);}
!= inequality

13. To remove all HTML and PHP tags.
function
int
strip_tags()
reassign

14. To sort values of an array without regard to the keys
getrandmax()
E_STRICT
sort()
array()

15. Hyper Text Markup Language
Notice
reassign
HTML
1

16. Function used to round down to the lowest integer
floor()
include() and require()
$dbc = mysql_connect(hostname, username, password)
<?php

17. bitwise XOR
?>
^
E_STRICT
boolean

18. either hasn't yet been set or is assigned NULL value
null
predefined variable
$dbc = mysql_connect(hostname, username, password)
asort()

19. Used to display errors in a particular script - should be placed at top of script.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

20. To refer to an item in an array
float
$$
$varname[key]
round() Function

21. Control structure that continue exit - they perform specific statements for a determined number of iterations.
loops
WYSIWYG
PHP
str_ireplace()

22. The three types of loops in PHP are: for - while - ____.
string
Object
foreach
addcslashes()

23. _______ is a comparison operator
$var++ and $var
crypt()
error_reporting (E_ALL | E_STRICT)
!= inequality

24. signed floating-point value
Object
curly braces
preg_match()
float

25. addition
SEO
error_reporting (E_ALL | E_STRICT)
mysql_close($dbc)
+

26. Used to replace a substring with another string - it is not case-sensitive.
wordwrap()
str_ireplace()
round() Function
ceil()

27. All variables must begin with _________.
DTD
strtok()
urlencode()
the dollar sign $

28. Active Server Pages
rsort()
echo
ASP
>>

29. Use _______ for passwords or pages that would not be bookmarked or pages that require security.
single quotes
bin2hex()
mysql_fetch_object()
POST

30. Control structures that break exit
list()
if/elseif/else and switch statements
str_word_count()
empty()

31. collection of binary data
string
getrandmax()
count()
PHP

32. ____ or key is referred to for a value within an array.
E_STRICT
general
index
echo

33. Converts a string of ASCII characters to hexadecimal values
chop()
array()
number_format()
bin2hex()

34. Uses two arguments: constant name and constant definition
include() and require()
define()
ASP
sql

35. signed integer
negative numbers
int
error_reporting (E_ALL)
<?php

36. says 'if' this then do this 'else' do this or 'while' this do this
statement
true
$dbc = mysql_connect(hostname, username, password)
+

37. To include files - _______ will give errors and _________ will terminate execution().
include() and require()
parentheses
error_reporting (0)
XOR

38. Use ______ when a variable contains any amount of variables; in general.
html_entity_decode()
double quotes
XML
Array

39. This error arises from misusing a function.
Warning
Parse error
DTD
is_numeric()

40. To assign keys to the values in an array
rand()
asort()
array()
round() Function

41. Used to create a substring (referred to as a token) from a larger string
define()
strtok()
$_REQUEST
wordwrap()

42. The seven main error reporting constants are: E_NOTICE - E_WARNING - E_PARSE - E_ERROR - E_ALL - _____ - E_DEPRECATED
$_SESSION[]
curly braces; ${$total}
floor()
E_STRICT

43. used to round numeric values.
round() Function
DTD
integer
predefined

44. To close a connection between a database
shuffle()
rand()
error_reporting (E_ALL | E_STRICT)
mysql_close($dbc)

45. Hypertext Preprocessor - a server-side programing language used to create webpages
true
abs()
PHP
<?php

46. To sort by the keys while maintaining the correlation between the key and its value
$_SESSION[]
.=
ksort()
+= or -= or *= or /=

47. Document Type Definitions
predefined
true
array
DTD

48. $_POST Data sent using POST found is sent to _______
variable
is_numeric()
Constant
predefined variable

49. Used to encrypt values - it is a one-way encryption method
drop
shuffle()
crypt()
addcslashes()

50. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
+
superglobal
ini_set ('display_errors', 1)
Parse error