Which one of the following function is used to start a session?
start_session()
session_start()
session_begin()
begin_session()
Correct Answer :
B.
session_start()
Related Questions
What will be the output of the following PHP code ?
<?php $i = 0;
while ((--$i > ++$i) - 1){ print $i;
} ?>
while ((--$i > ++$i) - 1){ print $i;
} ?>
00000000000000000000….infinitely
-1-1-1-1-1-1-1-1-1-1…infinitely
no output
error
What will be the output of the following PHP code?
<?php $fname = array(Peter, Ben, Joe);
$age = array(35, 37, 43);
$c = array_combine($fname, $age);
print_r($c);
?>
$age = array(35, 37, 43);
$c = array_combine($fname, $age);
print_r($c);
?>
Array ( Peter Ben Joe )
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
Array ( 35 37 43 )
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
How many ways can a session data be stored?
3
4
5
6
Neglecting to set which of the following cookie will result in the cookies domain being set to the host name of the server which generated it.
session.domain
session.path
session.cookie_path
session.cookie_domain
What will be the output of the following PHP code?
<?php $a1 = array(a=>red, b=>green, c=>blue, d=>yellow);
$a2 = array(e=>red, f=>green, g=>blue);
$result = array_diff($a1, $a2);
print_r($result);
?>
$a2 = array(e=>red, f=>green, g=>blue);
$result = array_diff($a1, $a2);
print_r($result);
?>
Array ( [d] => yellow )
Array ( [c] => blue )
Array ( [a] => red )
Array ( [e] => yellow )
What will be the output of the following PHP code?
<?php $a1 = array(red, green);
$a2 = array(blue, yellow);
print_r(array_merge($a1, $a2));
?>
$a2 = array(blue, yellow);
print_r(array_merge($a1, $a2));
?>
Array ( [0] => red [1] => green)
Array ( [0] => blue [1] => yellow [2] => red [3] => green )
Array ( [0] => red [1] => green [2] => blue [3] => yellow )
Array ( [0] => blue [1] => yellow )
What will be the output of the following PHP code?
<?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>
?>
TRUE
FALSE
Valid
Invalid
What will be the output of the following PHP code ?
<?php $i = 5;
while (--$i > 0){ $i++;
print $i;
print hello;
} ?>
while (--$i > 0){ $i++;
print $i;
print hello;
} ?>
4hello4hello4hello4hello4hello…..infinite
5hello5hello5hello5hello5hello…..infinite
no output
error
What will be the output of the following PHP code ?
<?php define('GOOD_OCTAL', 0700);
define('BAD_OCTAL', 0600);
print GOOD_OCTAL;
print '
';
print BAD_OCTAL;
?>
define('BAD_OCTAL', 0600);
print GOOD_OCTAL;
print '
';
print BAD_OCTAL;
?>
448
384
0700
0800
ERROR
No output
What will be the output of the following PHP code?
<?php $a = array(red, green, blue);
array_pop($a);
print_r($a);
?>
array_pop($a);
print_r($a);
?>
Array ( [0] => red [1] => green )
Array ( [0] => green [1] => blue )
Array ( [0] => red [1] => blue )
Array ( [0] => blue [1] => blue )
Which one of the following function is useful for producing a timestamp based on a given date and time.
time()
mktime()
mrtime()
mtime()
What will be the output of the following PHP code ?
<?php $color1 = red;
$color2 = green;
echo $color1.$color2;
?>
$color2 = green;
echo $color1.$color2;
?>
red green
red
green
error
What will be the output of the following PHP code?
<?php $a = array(A, Cat, Dog, A, Dog);
print_r(array_count_values($a));
?>
print_r(array_count_values($a));
?>
Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )
Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )
Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )
Array ( [A] => 2 [Cat] => 1 [Dog] => 1)
What will be the output of the following PHP code ?
<?php define(GREETING, PHP is a scripting language);
echo $GREETING;
?>
echo $GREETING;
?>
$GREETING
no output
PHP is a scripting language
GREETING
Which directive determines how the session information will be stored?
save_data
session.save
session.save_data
session.save_handler
What will be the output of the following PHP code ?
<?php $color = red;
$color = green;
echo $color;
?>
$color = green;
echo $color;
?>
red
green
red green
error
The date() function returns ___ representation of the current date and/or time.
Integer
String
Boolean
Float
What will be the output of the following PHP code ?
<?php $i = 0;
while (++$i && --$i){ print $i;
} ?>
while (++$i && --$i){ print $i;
} ?>
1234567891011121314….infinitely
01234567891011121314…infinitely
no output
error
Which one of the following is the very first task executed by a session enabled page?
Delete the previous session
Start a new session
Check whether a valid session exists
Handle the session
What will be the output of the following PHP code ?
<?php $color1 = red;
$color2 = green;
echo $color1 . $color2;
?>
$color2 = green;
echo $color1 . $color2;
?>
red
green
red green
redgreen
Which of the following PHP statements will output Hello World on the screen?
i) echo (“Hello World”);
ii) print (“Hello World”);
iii) printf (“Hello World”);
iv) sprintf (“Hello World”);
i) and ii)
i), ii) and iii)
All of the mentioned
i), ii) and iv)
What will be the output of the following PHP code ?
<?php $i = 2;
while (++$i){ while (--$i > 0) print $i;
} ?>
while (++$i){ while (--$i > 0) print $i;
} ?>
210
10
no output
infinite loop
What is the default number of seconds that cached session pages are made available before the new pages are created?
360
180
3600
1800
What will be the output of the following PHP code?
<?php $age = array(Peter=>35, Ben=>37, Joe=>43);
print_r(array_change_key_case($age, CASE_UPPER));
?>
print_r(array_change_key_case($age, CASE_UPPER));
?>
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
Array ( [peter] => 35 [ben] => 37 [joe] => 43 )
Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )
Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
What will be the output of the following PHP code ?
<?php $i = ;
while ($i = 10){ print hi;
}print hello;
?>
while ($i = 10){ print hi;
}print hello;
?>
hello
infinite loop
hihello
error
Which of the following must be installed on your computer so as to run PHP script?
i) Adobe Dreamweaver
ii) PHP
iii) Apache
iv) IIS
All of the mentioned.
Only ii)
ii) and iii)
ii), iii) and iv)
Say you want to calculate the date 45 days from the present date which one of the following statement will you use?
totime(+45)
totime(+45 days)
strtotime(+45 days)
strtotime(-45 days)
What is the default time(in seconds) for which session data is considered valid?
1800
3600
1440
1540
What will be the output of the following PHP code ?
<?php class myObject { }define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;
?>
echo myObject::CONSTANT;
?>
test
error
myObject::CONSTANT
no output
What will be the output of the following PHP code ?
<?php /*echo Hello world;
*/ ?>
*/ ?>
Hello world
Nothing
Error
/* Hello world */