PHP Online Sample test2

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1. Which of these statements is true?
PHP interfaces to the MySQL database,and you should transfer any data in Oracle or Sybase to MySQL if you want to use PHP on the data	PHP interfaces to a number of relational databases such as MySQL, Oracle and Sybase. A wrapper layer is provided so that code written for one database can easily be transferred to another if you later switch your database enginem
PHP interfaces to a number of relational databases such as MySQL, Oracle and Sybase but the interface differs in each case	There's little code in PHP to help you interface to databases, but there's no reason why you can't write such code if you want to

2. Is php can support multiple inheritance?
NO	YES

3. How would you add 1 to the variable $count?
incr count;	$count++;
$count =+1	incr $count;

4. Which of the following is used to check if a function has already been defined?
bool function_exists(functionname)	bool f_exists(functionname)
bool func_exist(functioname)	None

5. what is the return value of this substr function? <?php $rest = substr("abcdef", -1); $rest = substr("abcdef", 0, -1); ?>
f,abcde	a,fedcb
b,abcdef	a,abcde

6. Assume that your php file 'index.php' in location c:/apache/htdocs/phptutor/index.php. If you used basename($_SERVER['PHP_SELF']) function in your page, then what is the return value of this function ?
phptutor	phptutor/index.php
index.php	/index.php

7. What is the Output of the below Code: <?php $x="display"; ${$x.'_result'} (); ?> Above program will call the function display_result()
False	True
Parser Error	None of the above

8. All variables in PHP start with which symbol?
!	$
&	%

9. Who is the Father of PHP?
Larry Wall	Rasmus Lerdorf
James Gosling	Guido Van Rossum

10. In PHP the error control operator is _______ .
.	*
@	&

11. What is the Output of the below Code: <?php $str="3dollars"; $a=20; $a+=$str; print($A.; ?>
23dollars	203dollars
320dollars	23

12. What is the Output of the below Code: <?php function zz(& $x) { $x=$x+5; } ?> $x=10; zz($x); echo $x;
5	0
15	10

13. What is the Output of the below Code: <?php echo $_SERVER['REMOTE_ADDR']; ?>
shows the IP address of the local system	shows the IP address of the visitor
shows the IP address of the webserver	None of the above

14. What is the Output of the below Code: <?php $x=dir("."); while($y=$x->read()) { echo $y." " } $y->close(); ?>
display all folder names	display a folder content
display content of the all drives	Parse error

15. What is the Output of the below Code: <?php $qpt = 'QualityPointTechnologies'; echo preg_match("/^Quality/", $qpt); ?>
1	0
Quality	Null

16.What is the Output of the below Code: <?php $test="3.5seconds"; settype($test,"double"); settype($test,"integer"); settype($test,"string"); print($test); ?>
3.5	3.5seconds
3	3seconds

17. What is the Output of the below Code: <?php $x=array(2=>"mouse",7=>"keyboard"); $y=array_keys($x); echo $y[1]; ?>
keyboard	mouse
7	2

18. What is the Output of the below Code: <?php $data="98.8degrees"; (double)$data; (int)$data; (string)$string; echo $data; ?>
98	98.8
98.8degrees	degrees

19. PHP is _____ .
Partially cross-platform	Truly cross-platform

20. What is the Output of the below Code: <?php $x="101.5degrees"; (double)$x; (int)$x; echo (string)$x; ?>
101.5	degrees
101	101.5degrees