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 sort the values while maintaining the correlation between each value and its key - in reversed order
abs()
E_STRICT
$dbc = mysql_connect(hostname, username, password)
arsort()

2. To sort by the keys while maintaining the correlation between the key and its value
&
ksort()
arsort()
precedence

3. To iterate over the keys and values of an array
drop
chr()
foreach loop
strlen()

4. To reset an array _______ the array() function to the array
ini_set ('display_errors', 1)
ASP
reassign
$_REQUEST

5. bitwise right shift
>>
negative numbers
nl2br()
reassign

6. Used to check if a variable has a valid numerical value; strings with numerical values pass.
preg_split()
HTML
is_numeric()
echo

7. To reorganise the array randomly
shuffle()
fopen()
error_reporting (E_ALL & -E_NOTICE)
isset()

8. Besides GET and POST ________ can be used to access data but $_POST and $_GET are more precise and therefore preferable.
$_REQUEST
Warning
addcslashes()
is_numeric()

9. Function that contains the highest value that rand() can have randomly
error_reporting (E_ALL & -E_NOTICE)
drop
getrandmax()
rand()

10. $_SERVER is a ________ variable.
is_numeric()
echo
predefined
html_entity_decode()

11. Use ______ when a variable contains any amount of variables; in general.
double quotes
list()
the dollar sign $
Parse error

12. either hasn't yet been set or is assigned NULL value
nl2br()
predefined
null
<?php

13. To assign array element values to individual variables
str_word_count()
arsort()
list()
Notice

14. $_POST and $_GET are ________ variables.
parentheses
nl2br()
predefined
POST

15. This error refers to a variable with no value.
$_POST[]
Notice
?>
server-side programing

16. any programing language where the user must support the language the script is written in
0
client-side programing
$$
mysql_close($dbc)

17. ___________ can be used with substr() to count backward
negative numbers
E_STRICT
predefined
count()

18. The ouput of var_export((bool)"NULL");
$_POST[]
true
predefined variable
variable

19. Used to remove any white space - spaces or newlines or tabs - from the beginning and end of a string - not the middle.
not
trim()
PHP
for ($i = 0; $i < count($array); $i++) {statement(s);}

20. The name of the #! used to designate the location of the PHP binary
Shebang
str_ireplace()
echo
underscores

21. equivalence
defined()
==
numbers
if/elseif/else and switch statements

22. used to round numeric values.
str_word_count()
defined()
numbers
round() Function

23. says 'if' this then do this 'else' do this or 'while' this do this
ini_set ('display_errors', 1)
empty()
statement
numbers

24. Shorthand used to increment and decrement
$var++ and $var
client-side programing
AJAX
mysql_fetch_object()

25. $_SERVER - $_POST - $_GET - $_COOKIE - $_SESSION - $_ENV; special arrays.
<?php
superglobal
empty()
trim()

26. a line of information that can be stored in a variable or used in a function or statement
control structure
empty()
float
string

27. Control structure that continue exit - they perform specific statements for a determined number of iterations.
==
loops
str_word_count()
<?php

28. Leading 0x: 0x13F or 0xA23
E_STRICT
fopen()
WYSIWYG
Hex

29. Variable names can begin with __________
underscores
define()
chop()
AJAX

30. This fatal fatal is caused by a semantic mistake: omission of a semicolon or imbalance of quotations or parentheses or braces.
asort()
Parse error
number_format()
array()

31. The seven main error reporting constants are: E_NOTICE - E_WARNING - E_PARSE - E_ERROR - E_ALL - _____ - E_DEPRECATED
===
preg_split()
Constant
E_STRICT

32. Used to create a substring (referred to as a token) from a larger string
strtok()
crypt()
<<
parentheses

33. A conditional or loop is a ________________.
+= or -= or *= or /=
control structure
!= inequality
.=

34. any programing language where the script is parsed on the server
loops
str_word_count()
server-side programing
Parse error

35. The prefix for a dynamic variable - also known as a variable variable
boolean
$$
for ($i = 0; $i < count($array); $i++) {statement(s);}
unset()

36. To determine the amount of elements in an array
shuffle()
null
count()
$varname[key]

37. Function used to round up to the highest integer
predefined variable
floor()
ceil()
DTD

38. To delete a variable or an element of an array
double quotes
unset()
error_reporting (E_ALL & -E_NOTICE)
asort()

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

40. To remove all HTML and PHP tags.
^
strip_tags()
numbers
arsort()

41. Uses two arguments: constant name and constant definition
float
define()
htmlspecialchars()
SGML

42. collection of binary data
is_numeric()
<<
ceil()
string

43. To check if a constant is already declared
defined()
Parse error
single quotes
POST

44. Hyper Text Markup Language
E_STRICT
int
null
HTML

45. Function used to find the absolute value of a number or numeric variable
string
defined()
str_word_count()
abs()

46. Tag to begin a php script
<?php
reassign
===
boolean

47. Function used to convert new lines in a variable from a form to <br /> tags so that the data can be formatted correctly.
?>
preg_split()
nl2br()
predefined

48. An array whose keys are numbers.
1
$_GET[]
DTD
indexed array

49. Alias of rtrim()
chr()
crypt()
+
chop()

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