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Php Programming Basics

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. print $_SERVER will _____ work if you use the print function on arrays.
not
define()
single quotes
str_word_count()

2. The concatenation assignment operator?
+
.=
sql
ini_set ('display_errors', 1)

3. Used to create a substring (referred to as a token) from a larger string
getrandmax()
$var++ and $var
strtok()
function error_reporting()

4. Returns an array that corresponds to the fetched row of MySQL data and moves the internal data pointer ahead
array()
mysql_fetch_array()
for ($i = 0; $i < count($array); $i++) {statement(s);}
POST

5. equivalence
Constant
predefined variable
==
ceil()

6. The four main error types are:Notice - Warning - ________ and Error.
Parse error
error_reporting (E_ALL)
strtok()
open source

7. Shorthand used to increment and decrement
precedence
function error_reporting()
$var++ and $var
&

8. PHP has two conditional: if and ______.
E_STRICT
switch
preg_replace()
superglobal

9. To iterate over the keys and values of an array
$array[] = item
foreach loop
crypt()
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 __________.
preg_split()
int
curly braces; ${$total}
include() and require()

11. Used to check if a given variable has an "empty" value - no value or 0 or FALSE.
preg_split()
precedence
reassign
empty()

12. To sort values of an array in reversed order
$var++ and $var
rsort()
trim()
nl2br()

13. container of ordered data elements
Array
string
ASP
$_POST[]

14. Used to find the length of a string
client-side programing
array()
strlen()
boolean

15. A data structure that can hold a number of items of data of the same type eg. a list of names
array
variable
define()
the dollar sign $

16. EXtensible Markup Language
echo
sort()
XML
str_ireplace()

17. bitwise left shift
<<
boolean
negative numbers
DTD

18. The three types of loops in PHP are: for - while - ____.
$_GET[]
foreach
HTTP
list()

19. Use ________ to have multiple quotations in one string
preg_replace()
GET
the escape character ''
$_REQUEST

20. searches the subject for matches to a given pattern replaced with the given replacement text
DTD
preg_replace()
numbers
^

21. To reorganise the array randomly
HTTP
function
shuffle()
E_STRICT

22. To merge arrays
decimal
define()
array_merge()
str_ireplace()

23. Used to convert certain HTML tags into their entity versions.
SEO
predefined
htmlspecialchars()
arsort()

24. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
mysql_fetch_object()
str_word_count()
>>
superglobal

25. To set up error reporting
ASP
function
preg_replace()
function error_reporting()

26. Creates a pointer to a file with the declared mode (read - write -etc.).
shuffle()
fopen()
chr()
str_ireplace()

27. The concatenation operator?
$varname[key]
chr()
the period; .
Notice

28. To assign keys to the values in an array
superglobal
array()
mysql_fetch_object()
shuffle()

29. Used to encrypt values - it is a one-way encryption method
curly braces; ${$total}
ini_set ('display_errors', 1)
substr_count()
crypt()

30. does a certain action when called upon
the dollar sign $
underscores
superglobal
function

31. Online applications and resources which are available to the general public with very few restrictions
open source
statement
the escape character ''
indexed array

32. This fatal error arises from memory allocation problem.
chop()
Error
+
0

33. _________ can be used in conditional statements to set precedence
parentheses
double quotes
?>
sql

34. Similar to mysql_fetch_array() - but cannot be accessed by integer offset
str_ireplace()
null
WYSIWYG
mysql_fetch_object()

35. Used to check if a variable has any value (including 0 or FALSE or an empty string).
precedence
decimal
array()
isset()

36. Leading 0x: 0x13F or 0xA23
empty()
Hex
!= inequality
decimal

37. Returns a character from a specified ASCII value
chr()
Hex
server-side programing
E_STRICT

38. Predefined constants such as __LINE__ or __FILE__ or __FUNCTION__ or __CLASS__ and __METHOD__
Magic Constant
asort()
str_ireplace()
empty()

39. To append elements to an array - this will assign item to the next available index; associative arrays get messy.
empty()
array()
urlencode()
$array[] = item

40. Variable names can begin with __________
underscores
<<
the dollar sign $
HTML

41. the most basic function in PHP used to output information to the page
$_POST[]
negative numbers
echo
$array[] = item

42. To sort the values while maintaining the correlation between each value and its key
preg_replace()
asort()
&
number_format()

43. Besides GET and POST ________ can be used to access data but $_POST and $_GET are more precise and therefore preferable.
array_merge()
variable
$_REQUEST
$array[] = item

44. either hasn't yet been set or is assigned NULL value
AJAX
Warning
1
null

45. Hyper Text Markup Language
HTML
$var++ and $var
htmlentities()
error_reporting (E_ALL & -E_NOTICE)

46. Tag to end a php script
$var++ and $var
Notice
error_reporting (0)
?>

47. Hyper Text Transfer Protocol
Constant
if/elseif/else and switch statements
HTTP
the period; .

48. To find how many substrings are in a string
error_reporting (E_ALL & -E_NOTICE)
preg_match()
substr_count()
POST

49. any programing language where the user must support the language the script is written in
preg_split()
client-side programing
Shebang
&

50. bitwise right shift
>>
foreach loop
rand()
$varname[key]

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Php Programming Basics

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