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. identity
str_ireplace()
variable
===
$var++ and $var

2. Search Engine Optimization
superglobal
^
SEO
variable

3. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
strtok()
trim()
+= or -= or *= or /=
curly braces

4. A conditional or loop is a ________________.
strip_tags()
round() Function
control structure
rand()

5. Used to replace a substring with another string - it is not case-sensitive.
associative array
str_ireplace()
+
foreach

6. Used to find the amount of words in a string.
foreach
str_word_count()
client-side programing
1

7. Used to find the length of a string
predefined variable
float
unset()
strlen()

8. To put a dollar sign before a variable like $10 where 10 is the variable's value - you can escape the first dollar sign; $$cost; or you can use __________.
curly braces; ${$total}
Array
superglobal
$$

9. PHP has two conditional: if and ______.
shuffle()
reassign
floor()
switch

10. Returns a string with backslashes in front of the specified characters
crypt()
underscores
addcslashes()
boolean

11. searches the subject for matches to a given pattern replaced with the given replacement text
mysql_fetch_array()
preg_replace()
substr_count()
predefined variable

12. ___________ can be used with substr() to count backward
negative numbers
boolean
switch
asort()

13. Used to create a substring (referred to as a token) from a larger string
strtok()
GET
1
Hex

14. This fatal error arises from memory allocation problem.
reassign
decimal
htmlspecialchars()
Error

15. An array of variables passed in the URL
$_GET[]
superglobal
array_merge()
+

16. EXtensible Markup Language
$array[] = item
XML
arsort()
addslashes()

17. A data structure that can hold a number of items of data of the same type eg. a list of names
array
arsort()
+= or -= or *= or /=
wordwrap()

18. bitwise right shift
>>
boolean
boolean
urlencode()

19. To check if a constant is already declared
htmlentities()
strlen()
precedence
defined()

20. The concatenation operator?
if/elseif/else and switch statements
mysql
string
the period; .

21. Tag to end a php script
date()
the dollar sign $
reassign
?>

22. This error refers to a variable with no value.
$dbc = mysql_connect(hostname, username, password)
Notice
function
preg_match()

23. Hyper Text Markup Language
HTML
indexed array
nl2br()
str_word_count()

24. An array whose keys are numbers.
boolean
defined()
foreach loop
indexed array

25. _______ is a comparison operator
define()
PHP
addcslashes()
!= inequality

26. Function can you use to format a number with commas
getrandmax()
trim()
number_format()
&

27. collection of binary data
crypt()
WYSIWYG
Object
string

28. 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

29. Used to check if a given variable has an "empty" value - no value or 0 or FALSE.
<?php
array()
empty()
SEO

30. returns the number of matches found by a given search string under this format...
?>
float
wordwrap()
preg_match()

31. Use _______ for passwords or pages that would not be bookmarked or pages that require security.
Parse error
sql
POST
array()

32. bitwise AND
Parse error
mysql_fetch_object()
round() Function
&

33. Returns a character from a specified ASCII value
mysql_close($dbc)
$_REQUEST
chr()
mysql_fetch_object()

34. Active Server Pages
ASP
control structure
drop
$_GET[]

35. To sort by the keys while maintaining the correlation between the key and its value
function error_reporting()
include() and require()
HTML
ksort()

36. the most basic function in PHP used to output information to the page
AJAX
<?php
E_STRICT
echo

37. The concatenation assignment operator?
reassign
chr()
.=
strip_tags()

38. Control structures that break exit
function
>>
array_merge()
if/elseif/else and switch statements

39. Variable names can begin with __________
preg_match()
boolean
control structure
underscores

40. The ouput of var_export((bool)"NULL");
true
array
sort()
preg_match()

41. Used to check if a variable has a valid numerical value; strings with numerical values pass.
is_numeric()
^
error_reporting (0)
client-side programing

42. Function used to find the absolute value of a number or numeric variable
control structure
empty()
Error
abs()

43. Used to convert all HTML tags into their entity versions.
html_entity_decode()
htmlentities()
floor()
drop

44. used to round numeric values.
general
round() Function
asort()
Constant

45. Variable names cannot begin with _______
single quotes
$var++ and $var
numbers
$_GET[]

46. a positive or negative number
integer
PHP
E_STRICT
html_entity_decode()

47. To reset an array _______ the array() function to the array
$$
reassign
include() and require()
Hex

48. To assign keys to the values in an array
$dbc = mysql_connect(hostname, username, password)
array()
PHP
function

49. Operators used to operate and assign
defined()
+= or -= or *= or /=
indexed array
variable

50. To delete a variable or an element of an array
str_word_count()
define()
trim()
unset()