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. ____ or key is referred to for a value within an array.
index
number_format()
!= inequality
==

2. Used to check if a variable has a valid numerical value; strings with numerical values pass.
numbers
+= or -= or *= or /=
null
is_numeric()

3. a positive or negative number
date()
preg_replace()
integer
HTML

4. used to round numeric values.
ini_set ('display_errors', 1)
floor()
Hex
round() Function

5. $_SERVER is a ________ variable.
htmlentities()
predefined
PHP
precedence

6. This will show all error reporting except for notice errors.
error_reporting (E_ALL & -E_NOTICE)
asort()
precedence
XML

7. This fatal error arises from memory allocation problem.
unset()
Error
+= or -= or *= or /=
predefined

8. To reset an array _______ the array() function to the array
asort()
server-side programing
fopen()
reassign

9. This error arises from misusing a function.
$varname[key]
Warning
GET
arsort()

10. _____ is a logical operator
XOR
===
asort()
curly braces

11. To sort values of an array without regard to the keys
drop
mysql_close($dbc)
$dbc = mysql_connect(hostname, username, password)
sort()

12. An array of variables passed with <input /> data
XOR
not
XML
$_POST[]

13. Online applications and resources which are available to the general public with very few restrictions
open source
drop
urlencode()
predefined

14. Control structure that continue exit - they perform specific statements for a determined number of iterations.
include() and require()
loops
bin2hex()
predefined

15. Asynchronous Javascript And XML
SGML
urlencode()
<<
AJAX

16. a type with two possible values: true and false
boolean
date()
>>
$_GET[]

17. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
sql
trim()
urlencode()
foreach

18. Returns a string with backslashes in front of the specified characters
$array[] = item
GET
the dollar sign $
addcslashes()

19. Function used to round down to the lowest integer
$var++ and $var
floor()
arsort()
list()

20. The array that stores variables specific to a user's visit
Shebang
error_reporting (E_ALL | E_STRICT)
POST
$_SESSION[]

21. a language in which to make querys to a database with
sql
server-side programing
numbers
mysql_fetch_array()

22. This error refers to a variable with no value.
include() and require()
Notice
==
count()

23. allows you to split strings based on more complex rules
numbers
preg_split()
HTTP
strtok()

24. Used to find the length of a string
not
strlen()
^
the escape character ''

25. To remove all HTML and PHP tags.
AJAX
!= inequality
rand()
strip_tags()

26. Predefined constants such as __LINE__ or __FILE__ or __FUNCTION__ or __CLASS__ and __METHOD__
0
control structure
Magic Constant
Warning

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

28. Used to convert certain HTML tags into their entity versions.
array()
superglobal
htmlspecialchars()
?>

29. any programing language where the script is parsed on the server
statement
str_word_count()
Hex
server-side programing

30. The output of var_export((float)array());
0
float
$$
array()

31. Uses two arguments: constant name and constant definition
define()
chr()
AJAX
XML

32. Tag to begin a php script
<?php
client-side programing
float
arsort()

33. a line of information that can be stored in a variable or used in a function or statement
shuffle()
int
string
chr()

34. The concatenation operator?
the period; .
Error
!= inequality
XOR

35. Variable names can begin with __________
numbers
array
underscores
number_format()

36. The ouput of var_export((bool)"NULL");
HTTP
the dollar sign $
true
floor()

37. Use ______ when there are no variables in the string
ini_set ('display_errors', 1)
$_POST[]
error_reporting (E_ALL & -E_NOTICE)
single quotes

38. The four main error types are:Notice - Warning - ________ and Error.
function
str_word_count()
Parse error
the escape character ''

39. The order of operations.
predefined
preg_match()
precedence
array()

40. To sort the values while maintaining the correlation between each value and its key - in reversed order
0
error_reporting (E_ALL)
HTTP
arsort()

41. Function used to round up to the highest integer
ceil()
fopen()
for ($i = 0; $i < count($array); $i++) {statement(s);}
rand()

42. Document Type Definitions
html_entity_decode()
DTD
chr()
&

43. the most basic function in PHP used to output information to the page
echo
substr_count()
predefined
$_SESSION[]

44. To check if a constant is already declared
ASP
octal
loops
defined()

45. Returns a string with backslashes in front of predefined characters
$var++ and $var
addslashes()
client-side programing
variable

46. Active Server Pages
mysql_fetch_array()
ASP
PHP
strlen()

47. _______ is a comparison operator
HTTP
!= inequality
strtok()
include() and require()

48. _________ can be used in conditional statements to set precedence
parentheses
chr()
boolean
number_format()

49. TRUE or FALSE
$varname[key]
preg_split()
boolean
define()

50. Used to display errors in a particular script - should be placed at top of script.