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. Used to check if a given variable has an "empty" value - no value or 0 or FALSE.
addslashes()
str_word_count()
empty()
statement

2. All variables must begin with _________.
the dollar sign $
general
client-side programing
bin2hex()

3. Predefined constants such as __LINE__ or __FILE__ or __FUNCTION__ or __CLASS__ and __METHOD__
GET
foreach loop
Magic Constant
<?php

4. container of ordered data elements
Array
preg_match()
true
mysql_fetch_array()

5. bitwise left shift
==
Object
strtok()
<<

6. To assign keys to the values in an array
array()
boolean
mysql_close($dbc)
array_merge()

7. This will show all errors that fall under E_ALL or E_STRICT - the pipe | is used for 'or' so that errors that fall under either will be shown.
?>
!= inequality
error_reporting (E_ALL | E_STRICT)
==

8. To counter htmlentities()
<?php
GET
html_entity_decode()
chr()

9. To refer to an item in an array
ksort()
WYSIWYG
$varname[key]
bin2hex()

10. collection of binary data
+
string
Constant
XOR

11. leading zero: 0100 or 0567
int
!= inequality
octal
number_format()

12. Used to replace a substring with another string - it is not case-sensitive.
str_ireplace()
$_GET[]
wordwrap()
HTML

13. Use _______ for passwords or pages that would not be bookmarked or pages that require security.
Parse error
POST
decimal
for ($i = 0; $i < count($array); $i++) {statement(s);}

14. To sort by the keys while maintaining the correlation between the key and its value
mysql_fetch_object()
array_merge()
ksort()
bin2hex()

15. bitwise XOR
asort()
^
<?php
for ($i = 0; $i < count($array); $i++) {statement(s);}

16. Similar to mysql_fetch_array() - but cannot be accessed by integer offset
$dbc = mysql_connect(hostname, username, password)
mysql_fetch_object()
htmlentities()
predefined variable

17. Active Server Pages
preg_split()
curly braces
1
ASP

18. Uses two arguments: constant name and constant definition
defined()
str_word_count()
define()
HTML

19. Function used to find the absolute value of a number or numeric variable
abs()
underscores
E_STRICT
array_merge()

20. Used to encrypt values - it is a one-way encryption method
associative array
crypt()
predefined
mysql_close($dbc)

21. _______ is a comparison operator
curly braces; ${$total}
!= inequality
preg_split()
AJAX

22. Define(NAME,value)
Constant
Error
arsort()
function

23. Used to check if a variable has any value (including 0 or FALSE or an empty string).
$varname[key]
isset()
preg_split()
ksort()

24. This fatal error arises from memory allocation problem.
control structure
for ($i = 0; $i < count($array); $i++) {statement(s);}
Error
error_reporting (E_ALL)

25. This will show all error reporting.
>>
error_reporting (E_ALL)
date()
defined()

26. print $_SERVER will _____ work if you use the print function on arrays.
error_reporting (0)
not
html_entity_decode()
chop()

27. The concatenation assignment operator?
.=
SGML
error_reporting (E_ALL | E_STRICT)
negative numbers

28. 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 __________.
error_reporting (0)
numbers
negative numbers
curly braces; ${$total}

29. equivalence
error_reporting (E_ALL | E_STRICT)
error_reporting (0)
==
for ($i = 0; $i < count($array); $i++) {statement(s);}

30. EXtensible Markup Language
XML
function
unset()
nl2br()

31. signed floating-point value
Notice
server-side programing
float
getrandmax()

32. Creates a pointer to a file with the declared mode (read - write -etc.).
fopen()
Warning
not
chop()

33. a database which is best supported by PHP
statement
str_ireplace()
fopen()
mysql

34. Use ______ for search engines or catalogued pages or pages that would be bookmarked.
predefined variable
chr()
GET
shuffle()

35. Standard Generalized Markup Language
+= or -= or *= or /=
htmlspecialchars()
SGML
variable

36. Control structures that break exit
function
if/elseif/else and switch statements
sort()
statement

37. This error refers to a variable with no value.
ceil()
str_word_count()
Notice
addcslashes()

38. To iterate over the values of an array
for ($i = 0; $i < count($array); $i++) {statement(s);}
Parse error
preg_split()
&

39. Variable names can begin with __________
underscores
+
0
HTML

40. _____ is a logical operator
nl2br()
XOR
rand()
foreach

41. To merge arrays
date()
Notice
float
array_merge()

42. The array that stores variables specific to a user's visit
mysql_close($dbc)
$_SESSION[]
number_format()
Error

43. The prefix for a dynamic variable - also known as a variable variable
wordwrap()
str_word_count()
$$
numbers

44. The concatenation operator?
not
predefined variable
>>
the period; .

45. The output of var_export((float)array());
0
$_SESSION[]
Error
the escape character ''

46. PHP has two conditional: if and ______.
strtok()
getrandmax()
+= or -= or *= or /=
switch

47. a line of information that can be stored in a variable or used in a function or statement
getrandmax()
numbers
addcslashes()
string

48. Use ______ when there are no variables in the string
boolean
define()
single quotes
loops

49. To sort the values while maintaining the correlation between each value and its key - in reversed order
defined()
crypt()
arsort()
bin2hex()

50. An array of variables passed with <input /> data
Error
1
variable
$_POST[]