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
boolean
function
$varname[key]
the period; .

2. The output of var_export((float)array(0));
1
htmlspecialchars()
the escape character ''
&

3. Use ______ when there are no variables in the string
precedence
single quotes
getrandmax()
wordwrap()

4. When used the value can be passed safely through the URL (GET).
===
urlencode()
the period; .
sort()

5. To set up error reporting
SGML
number_format()
float
function error_reporting()

6. To determine the amount of elements in an array
count()
curly braces
preg_split()
html_entity_decode()

7. This fatal fatal is caused by a semantic mistake: omission of a semicolon or imbalance of quotations or parentheses or braces.
mysql_fetch_object()
Parse error
DTD
server-side programing

8. signed integer
shuffle()
$_SESSION[]
int
precedence

9. All variables must begin with _________.
the dollar sign $
defined()
Constant
server-side programing

10. Converts a string of ASCII characters to hexadecimal values
bin2hex()
1
abs()
crypt()

11. The four main error types are:Notice - Warning - ________ and Error.
general
Parse error
include() and require()
unset()

12. Besides GET and POST ________ can be used to access data but $_POST and $_GET are more precise and therefore preferable.
$_REQUEST
GET
numbers
mysql_close($dbc)

13. The syntax for connecting to a database
$dbc = mysql_connect(hostname, username, password)
.=
predefined
strlen()

14. Function can you use to format a number with commas
chr()
number_format()
Object
mysql

15. Used to convert all HTML tags into their entity versions.
$_SESSION[]
the escape character ''
strip_tags()
htmlentities()

16. An array of variables passed in the URL
POST
echo
$_GET[]
==

17. $_SERVER is a ________ variable.
strip_tags()
predefined
POST
reassign

18. a language in which to make querys to a database with
$varname[key]
Warning
ini_set ('display_errors', 1)
sql

19. collection of binary data
Notice
round() Function
$array[] = item
string

20. either hasn't yet been set or is assigned NULL value
count()
error_reporting (E_ALL & -E_NOTICE)
null
str_word_count()

21. Used to encrypt values - it is a one-way encryption method
===
curly braces
crypt()
urlencode()

22. standard notation
decimal
int
isset()
1

23. To merge arrays
mysql
&
general
array_merge()

24. equivalence
parentheses
==
float
preg_replace()

25. Tag to begin a php script
Magic Constant
curly braces
<?php
array

26. This error refers to a variable with no value.
Notice
open source
not
predefined

27. The three types of loops in PHP are: for - while - ____.
function
Object
foreach
htmlentities()

28. An array whose keys are numbers.
arsort()
switch
indexed array
HTTP

29. bitwise AND
variable
&
superglobal
preg_replace()

30. To find how many substrings are in a string
Notice
double quotes
substr_count()
htmlspecialchars()

31. Used to find the length of a string
$$
Parse error
strlen()
AJAX

32. The array that stores variables specific to a user's visit
underscores
defined()
$_SESSION[]
PHP

33. What You See Is What You Get
$array[] = item
the dollar sign $
WYSIWYG
curly braces

34. used to round numeric values.
control structure
error_reporting (E_ALL | E_STRICT)
round() Function
switch

35. Creates a pointer to a file with the declared mode (read - write -etc.).
Notice
count()
general
fopen()

36. $_POST and $_GET are ________ variables.
predefined
$var++ and $var
true
echo

37. Function used to round down to the lowest integer
floor()
sql
superglobal
rsort()

38. PHP has two conditional: if and ______.
precedence
Parse error
switch
if/elseif/else and switch statements

39. a storage location in the computer's memory that has a type & a name and a contents
the dollar sign $
variable
foreach
curly braces

40. To append elements to an array - this will assign item to the next available index; associative arrays get messy.
$_SESSION[]
^
$array[] = item
chop()

41. Used to check if a variable has a valid numerical value; strings with numerical values pass.
server-side programing
is_numeric()
fopen()
strip_tags()

42. leading zero: 0100 or 0567
client-side programing
function error_reporting()
preg_split()
octal

43. This will show all error reporting except for notice errors.
index
SEO
strtok()
error_reporting (E_ALL & -E_NOTICE)

44. To sort the values while maintaining the correlation between each value and its key - in reversed order
the dollar sign $
decimal
preg_match()
arsort()

45. Hyper Text Markup Language
int
^
strip_tags()
HTML

46. bitwise XOR
floor()
control structure
$_REQUEST
^

47. An array whose keys are strings; also known as a hash.
associative array
function error_reporting()
addcslashes()
Shebang

48. identity
array()
$dbc = mysql_connect(hostname, username, password)
===
htmlentities()

49. The prefix for a dynamic variable - also known as a variable variable
arsort()
$_SESSION[]
$$
asort()

50. To check if a constant is already declared
defined()
server-side programing
the dollar sign $
number_format()