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. EXtensible Markup Language
predefined
substr_count()
array
XML

2. $_POST Data sent using POST found is sent to _______
predefined variable
function error_reporting()
boolean
numbers

3. To merge arrays
superglobal
array_merge()
int
ceil()

4. The concatenation operator?
associative array
define()
the period; .
addslashes()

5. Control structure that continue exit - they perform specific statements for a determined number of iterations.
null
precedence
mysql_fetch_array()
loops

6. _______ is a comparison operator
error_reporting (E_ALL & -E_NOTICE)
curly braces
!= inequality
mysql_fetch_array()

7. All variables must begin with _________.
the dollar sign $
addslashes()
ceil()
GET

8. Uses two arguments: constant name and constant definition
curly braces; ${$total}
define()
fopen()
predefined variable

9. _________ can be used in conditional statements to set precedence
<?php
ceil()
parentheses
numbers

10. TRUE or FALSE
function
$var++ and $var
<?php
boolean

11. The output of var_export((float)array(0));
floor()
integer
1
is_numeric()

12. allows you to split strings based on more complex rules
chop()
preg_split()
Parse error
==

13. This fatal error arises from memory allocation problem.
preg_match()
strtok()
Error
define()

14. The prefix for a dynamic variable - also known as a variable variable
function error_reporting()
$$
list()
define()

15. The order of operations.
mysql_fetch_object()
array
associative array
precedence

16. Tag to begin a php script
defined()
not
HTML
<?php

17. Besides GET and POST ________ can be used to access data but $_POST and $_GET are more precise and therefore preferable.
$_REQUEST
mysql
statement
define()

18. An array whose keys are strings; also known as a hash.
0
associative array
define()
boolean

19. either hasn't yet been set or is assigned NULL value
null
Parse error
array()
chr()

20. To append elements to an array - this will assign item to the next available index; associative arrays get messy.
0
$array[] = item
trim()
drop

21. To iterate over the values of an array
for ($i = 0; $i < count($array); $i++) {statement(s);}
if/elseif/else and switch statements
switch
HTML

22. Use ________ to have multiple quotations in one string
$_GET[]
shuffle()
if/elseif/else and switch statements
the escape character ''

23. To close a connection between a database
error_reporting (E_ALL & -E_NOTICE)
client-side programing
$_SESSION[]
mysql_close($dbc)

24. bitwise XOR
SEO
^
date()
include() and require()

25. addition
$_SESSION[]
strlen()
round() Function
+

26. Shorthand used to increment and decrement
$var++ and $var
$_GET[]
AJAX
mysql_fetch_object()

27. a positive or negative number
integer
ksort()
XML
!= inequality

28. The seven main error reporting constants are: E_NOTICE - E_WARNING - E_PARSE - E_ERROR - E_ALL - _____ - E_DEPRECATED
E_STRICT
float
count()
array

29. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
Magic Constant
mysql_close($dbc)
negative numbers
trim()

30. searches the subject for matches to a given pattern replaced with the given replacement text
mysql
ASP
single quotes
preg_replace()

31. To reset an array _______ the array() function to the array
precedence
define()
reassign
count()

32. Used to encrypt values - it is a one-way encryption method
foreach
PHP
crypt()
XOR

33. a database which is best supported by PHP
echo
mysql
rsort()
empty()

34. Variable names can begin with __________
!= inequality
underscores
Magic Constant
strtok()

35. Standard Generalized Markup Language
number_format()
$_GET[]
SGML
string

36. bitwise left shift
defined()
<<
Warning
define()

37. To reorganise the array randomly
shuffle()
array()
parentheses
htmlspecialchars()

38. Control structures that break exit
if/elseif/else and switch statements
asort()
AJAX
$$

39. Function used to convert new lines in a variable from a form to <br /> tags so that the data can be formatted correctly.
open source
getrandmax()
fopen()
nl2br()

40. To assign keys to the values in an array
parentheses
array()
rsort()
number_format()

41. says 'if' this then do this 'else' do this or 'while' this do this
statement
double quotes
arsort()
single quotes

42. ____ or key is referred to for a value within an array.
open source
PHP
index
WYSIWYG

43. Use ______ when there are no variables in the string
single quotes
$dbc = mysql_connect(hostname, username, password)
Array
0

44. Used to convert certain HTML tags into their entity versions.
rand()
?>
htmlspecialchars()
client-side programing

45. This error arises from misusing a function.
$_SESSION[]
$dbc = mysql_connect(hostname, username, password)
Error
Warning

46. Used to find the amount of words in a string.
html_entity_decode()
?>
the dollar sign $
str_word_count()

47. To create an array
Warning
array()
indexed array
1

48. Returns a string with backslashes in front of predefined characters
html_entity_decode()
addslashes()
function error_reporting()
>>

49. An array of variables passed with <input /> data
$_POST[]
HTML
Hex
superglobal

50. The ouput of var_export((bool)"NULL");
true
array
client-side programing
Parse error