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. says 'if' this then do this 'else' do this or 'while' this do this
string
statement
Notice
+= or -= or *= or /=

2. does a certain action when called upon
predefined
function
str_ireplace()
round() Function

3. print $_SERVER will _____ work if you use the print function on arrays.
reassign
!= inequality
not
crypt()

4. Use ________ to have multiple quotations in one string
the escape character ''
superglobal
crypt()
error_reporting (E_ALL & -E_NOTICE)

5. a type with two possible values: true and false
boolean
predefined
XOR
error_reporting (0)

6. This will not show error reporting - it will be turned off.
error_reporting (0)
reassign
associative array
SGML

7. The output of var_export((float)array());
true
0
statement
arsort()

8. used to round numeric values.
superglobal
Warning
round() Function
integer

9. EXtensible Markup Language
XOR
function error_reporting()
XML
curly braces

10. To sort by the keys while maintaining the correlation between the key and its value
XOR
string
ksort()
foreach loop

11. To counter htmlentities()
$_SESSION[]
Notice
bin2hex()
html_entity_decode()

12. Uses two arguments: constant name and constant definition
wordwrap()
Notice
string
define()

13. either hasn't yet been set or is assigned NULL value
wordwrap()
isset()
asort()
null

14. The ouput of var_export((bool)"NULL");
$_POST[]
count()
predefined
true

15. a language in which to make querys to a database with
sql
mysql_fetch_object()
is_numeric()
htmlentities()

16. Used to check if a variable has any value (including 0 or FALSE or an empty string).
isset()
abs()
chr()
double quotes

17. _______ is a comparison operator
!= inequality
associative array
>>
chop()

18. _________ can be used in conditional statements to set precedence
parentheses
==
$_GET[]
null

19. Used to find the length of a string
Array
underscores
error_reporting (E_ALL)
strlen()

20. _____ is a logical operator
XOR
array()
Error
htmlentities()

21. Used to encrypt values - it is a one-way encryption method
error_reporting (E_ALL | E_STRICT)
crypt()
$_SESSION[]
foreach

22. This error refers to a variable with no value.
$varname[key]
mysql_close($dbc)
Notice
0

23. Predefined constants such as __LINE__ or __FILE__ or __FUNCTION__ or __CLASS__ and __METHOD__
array()
Magic Constant
indexed array
number_format()

24. To delete a variable or an element of an array
wordwrap()
unset()
string
Object

25. An array whose keys are numbers.
ksort()
wordwrap()
indexed array
mysql_close($dbc)

26. bitwise AND
list()
rsort()
ini_set ('display_errors', 1)
&

27. 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

28. $_POST Data sent using POST found is sent to _______
predefined variable
curly braces
$var++ and $var
round() Function

29. TRUE or FALSE
reassign
Parse error
boolean
date()

30. To word wrap after a certain amount of characters.
PHP
wordwrap()
bin2hex()
array

31. The prefix for a dynamic variable - also known as a variable variable
$$
chop()
general
Parse error

32. All variables must begin with _________.
the dollar sign $
Array
mysql
octal

33. Used to convert all HTML tags into their entity versions.
AJAX
$var++ and $var
htmlentities()
SGML

34. bitwise XOR
mysql_fetch_object()
^
float
associative array

35. bitwise right shift
abs()
Array
bin2hex()
>>

36. To put a dollar sign before a variable like $10 where 10 is the variable's value - you can escape the first dollar sign; $$cost; or you can use __________.
rsort()
strlen()
curly braces; ${$total}
+

37. $_SERVER is a ________ variable.
htmlspecialchars()
predefined
$array[] = item
array()

38. To merge arrays
XOR
array_merge()
superglobal
index

39. The three types of loops in PHP are: for - while - ____.
Notice
Shebang
foreach
XOR

40. This fatal fatal is caused by a semantic mistake: omission of a semicolon or imbalance of quotations or parentheses or braces.
str_word_count()
Parse error
string
AJAX

41. Control structures that break exit
if/elseif/else and switch statements
asort()
float
nl2br()

42. the most basic function in PHP used to output information to the page
echo
floor()
variable
ceil()

43. Creates a pointer to a file with the declared mode (read - write -etc.).
Parse error
list()
fopen()
$var++ and $var

44. a positive or negative number
mysql_fetch_object()
define()
integer
float

45. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
sort()
trim()
is_numeric()
.=

46. container of ordered data elements
HTTP
statement
drop
Array

47. any programing language where the user must support the language the script is written in
foreach
client-side programing
predefined
define()

48. equivalence
==
not
string
for ($i = 0; $i < count($array); $i++) {statement(s);}

49. Hyper Text Markup Language
defined()
integer
HTML
Array

50. To sort the values while maintaining the correlation between each value and its key - in reversed order
date()
arsort()
sort()
$var++ and $var