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. the most basic function in PHP used to output information to the page
chr()
count()
$dbc = mysql_connect(hostname, username, password)
echo

2. This error arises from misusing a function.
Warning
function
POST
strip_tags()

3. To include files - _______ will give errors and _________ will terminate execution().
define()
preg_split()
include() and require()
reassign

4. Asynchronous Javascript And XML
getrandmax()
E_STRICT
error_reporting (E_ALL & -E_NOTICE)
AJAX

5. either hasn't yet been set or is assigned NULL value
Parse error
XOR
array_merge()
null

6. Used to encrypt values - it is a one-way encryption method
crypt()
list()
XOR
curly braces; ${$total}

7. equivalence
array
==
server-side programing
&

8. To refer to an element in a multidimensional array list the indices in order of _____ to more precise;
general
trim()
indexed array
predefined

9. Hypertext Preprocessor - a server-side programing language used to create webpages
SGML
underscores
PHP
htmlentities()

10. 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 __________.
curly braces; ${$total}
precedence
.=
sort()

11. To determine the amount of elements in an array
count()
?>
array_merge()
Parse error

12. $_SERVER is a ________ variable.
round() Function
include() and require()
$_POST[]
predefined

13. To get over quotation marks while using arrays
octal
chr()
curly braces
superglobal

14. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
Error
HTML
superglobal
PHP

15. container of ordered data elements
$$
Array
echo
?>

16. An array whose keys are strings; also known as a hash.
boolean
SGML
associative array
int

17. This fatal error arises from memory allocation problem.
Constant
Error
chr()
==

18. Used to create a substring (referred to as a token) from a larger string
WYSIWYG
htmlspecialchars()
strtok()
integer

19. To check if a constant is already declared
strip_tags()
defined()
statement
chr()

20. Used to check if a variable has any value (including 0 or FALSE or an empty string).
variable
isset()
==
single quotes

21. a positive or negative number
number_format()
open source
integer
array()

22. $_POST and $_GET are ________ variables.
^
error_reporting (E_ALL | E_STRICT)
$dbc = mysql_connect(hostname, username, password)
predefined

23. Hyper Text Transfer Protocol
nl2br()
general
boolean
HTTP

24. Control structures that break exit
if/elseif/else and switch statements
list()
boolean
ASP

25. The output of var_export((float)array(0));
echo
strtok()
1
ksort()

26. To sort the values while maintaining the correlation between each value and its key - in reversed order
predefined
mysql
Constant
arsort()

27. Variable names cannot begin with _______
switch
is_numeric()
bin2hex()
numbers

28. Online applications and resources which are available to the general public with very few restrictions
sql
&
open source
HTTP

29. To assign keys to the values in an array
strip_tags()
wordwrap()
SGML
array()

30. searches the subject for matches to a given pattern replaced with the given replacement text
preg_replace()
numbers
int
nl2br()

31. The concatenation assignment operator?
rand()
.=
drop
sort()

32. Returns an array that corresponds to the fetched row of MySQL data and moves the internal data pointer ahead
arsort()
bin2hex()
mysql_fetch_array()
crypt()

33. Document Type Definitions
DTD
int
reassign
array()

34. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
string
control structure
include() and require()
trim()

35. Function used to convert new lines in a variable from a form to <br /> tags so that the data can be formatted correctly.
Parse error
date()
WYSIWYG
nl2br()

36. To find how many substrings are in a string
string
addcslashes()
substr_count()
rand()

37. Search Engine Optimization
===
<<
the escape character ''
SEO

38. bitwise left shift
include() and require()
<<
defined()
for ($i = 0; $i < count($array); $i++) {statement(s);}

39. The three types of loops in PHP are: for - while - ____.
<?php
parentheses
null
foreach

40. The prefix for a dynamic variable - also known as a variable variable
null
arsort()
$$
1

41. To declare a constant
define()
$_POST[]
+= or -= or *= or /=
SGML

42. Used to check if a variable has a valid numerical value; strings with numerical values pass.
PHP
the dollar sign $
is_numeric()
!= inequality

43. signed integer
string
is_numeric()
preg_replace()
int

44. The seven main SQL (structured query language) functions are alter - create - delete - _______ - insert - select - update
drop
sql
$var++ and $var
Shebang

45. function Function used to create a random number
XOR
abs()
rand()
PHP

46. Use ______ for search engines or catalogued pages or pages that would be bookmarked.
mysql_close($dbc)
ksort()
strlen()
GET

47. The syntax for connecting to a database
loops
$dbc = mysql_connect(hostname, username, password)
XML
client-side programing

48. Used to find the length of a string
POST
strlen()
crypt()
if/elseif/else and switch statements

49. a type with two possible values: true and false
$_SESSION[]
boolean
underscores
addcslashes()

50. container of both data and code
drop
ceil()
general
Object