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. To refer to an item in an array
$varname[key]
index
isset()
$_GET[]

2. Used to check if a given variable has an "empty" value - no value or 0 or FALSE.
$dbc = mysql_connect(hostname, username, password)
SGML
<?php
empty()

3. The three types of loops in PHP are: for - while - ____.
array
&
round() Function
foreach

4. To reorganise the array randomly
shuffle()
>>
+
strlen()

5. a positive or negative number
$dbc = mysql_connect(hostname, username, password)
list()
unset()
integer

6. The concatenation assignment operator?
$$
$_REQUEST
mysql
.=

7. The array that stores variables specific to a user's visit
Magic Constant
$_SESSION[]
not
the period; .

8. To assign keys to the values in an array
array()
rsort()
the escape character ''
preg_split()

9. Function used to convert new lines in a variable from a form to <br /> tags so that the data can be formatted correctly.
nl2br()
$_SESSION[]
curly braces
fopen()

10. To determine the amount of elements in an array
fopen()
Object
error_reporting (0)
count()

11. Use ________ to have multiple quotations in one string
str_word_count()
mysql_fetch_array()
the escape character ''
mysql_close($dbc)

12. A conditional or loop is a ________________.
!= inequality
control structure
getrandmax()
==

13. The seven main SQL (structured query language) functions are alter - create - delete - _______ - insert - select - update
precedence
drop
error_reporting (E_ALL | E_STRICT)
&

14. Used to check if a variable has any value (including 0 or FALSE or an empty string).
error_reporting (E_ALL & -E_NOTICE)
unset()
count()
isset()

15. a line of information that can be stored in a variable or used in a function or statement
string
the escape character ''
Parse error
ASP

16. To remove all HTML and PHP tags.
strip_tags()
variable
octal
$array[] = item

17. a database which is best supported by PHP
?>
error_reporting (E_ALL & -E_NOTICE)
mysql
predefined

18. Leading 0x: 0x13F or 0xA23
server-side programing
mysql_fetch_array()
Hex
unset()

19. Alias of rtrim()
html_entity_decode()
chop()
Warning
the dollar sign $

20. What You See Is What You Get
not
$_GET[]
WYSIWYG
numbers

21. EXtensible Markup Language
!= inequality
preg_split()
float
XML

22. To sort values of an array without regard to the keys
mysql
variable
Constant
sort()

23. a language in which to make querys to a database with
sql
XML
indexed array
octal

24. Tag to begin a php script
==
<?php
$_REQUEST
associative array

25. used to round numeric values.
addcslashes()
!= inequality
round() Function
getrandmax()

26. Besides GET and POST ________ can be used to access data but $_POST and $_GET are more precise and therefore preferable.
integer
count()
$_REQUEST
parentheses

27. Uses two arguments: constant name and constant definition
single quotes
1
Hex
define()

28. Returns an array that corresponds to the fetched row of MySQL data and moves the internal data pointer ahead
mysql_fetch_array()
XOR
true
1

29. Search Engine Optimization
foreach
chr()
==
SEO

30. Used to convert certain HTML tags into their entity versions.
server-side programing
$dbc = mysql_connect(hostname, username, password)
shuffle()
htmlspecialchars()

31. Standard Generalized Markup Language
getrandmax()
SGML
precedence
nl2br()

32. To sort values of an array in reversed order
0
rsort()
mysql
Array

33. Use ______ when a variable contains any amount of variables; in general.
double quotes
abs()
rand()
associative array

34. Used to encrypt values - it is a one-way encryption method
reassign
double quotes
crypt()
Error

35. either hasn't yet been set or is assigned NULL value
Parse error
crypt()
>>
null

36. To refer to an element in a multidimensional array list the indices in order of _____ to more precise;
include() and require()
general
function
array_merge()

37. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
$_POST[]
trim()
strip_tags()
superglobal

38. This fatal fatal is caused by a semantic mistake: omission of a semicolon or imbalance of quotations or parentheses or braces.
$_GET[]
shuffle()
Parse error
$array[] = item

39. signed floating-point value
float
AJAX
wordwrap()
not

40. The order of operations.
negative numbers
mysql_fetch_array()
precedence
predefined

41. Variable names can begin with __________
underscores
.=
isset()
error_reporting (0)

42. To sort by the keys while maintaining the correlation between the key and its value
ini_set ('display_errors', 1)
for ($i = 0; $i < count($array); $i++) {statement(s);}
ksort()
asort()

43. To merge arrays
+
unset()
array_merge()
parentheses

44. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
variable
fopen()
trim()
str_word_count()

45. leading zero: 0100 or 0567
==
decimal
octal
not

46. Function used to find the absolute value of a number or numeric variable
==
Hex
parentheses
abs()

47. Control structure that continue exit - they perform specific statements for a determined number of iterations.
parentheses
$var++ and $var
loops
date()

48. bitwise XOR
negative numbers
$$
^
chr()

49. Similar to mysql_fetch_array() - but cannot be accessed by integer offset
array()
echo
mysql_fetch_object()
GET

50. Use ______ for search engines or catalogued pages or pages that would be bookmarked.
abs()
floor()
Object
GET