Which one of the following function is useful for producing a timestamp based on a given date and time.
time()
mktime()
mrtime()
mtime()
Correct Answer :
B.
mktime()
Related Questions
A PHP script should start with ___ and end with ___:
< php >
< ? php ?>
<?php ?>
<% %>
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
What will be the output of the following PHP code ?
<?php define('GREETING_TEST', 'PHP is a scripting language', true);
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
PHP is a scripting language
PHP is a scripting language
GREETING_TESt
PHP is a scripting language
PHP is a scripting language
GREETING_TEST
Which one of the following is the default PHP session name?
PHPSESSID
PHPSESID
PHPSESSIONID
PHPIDSESS
What will be the output of the following PHP code ?
<?php define(VAR_NAME,test);
${VAR_NAME} = value;
echo VAR_NAME;
echo ${VAR_NAME};
?>
${VAR_NAME} = value;
echo VAR_NAME;
echo ${VAR_NAME};
?>
test
testtest
testvalue
error, constant value cannot be changed
Which directive determines how the session information will be stored?
save_data
session.save
session.save_data
session.save_handler
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 $i = 0;
while ((--$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 $cars = array(Volvo, BMW, Toyota);
echo I like . $cars[0] . , . $cars[1] . and . $cars[2] . .;
?>
echo I like . $cars[0] . , . $cars[1] . and . $cars[2] . .;
?>
I like Volvo BMW and Toyota.
I like Volvo, BMW and Toyota)
I like Volvo, BMW and Toyota.
I like. Volvo.,. BMW. and. Toyota)
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 $a = array(a=>red, b=>green, c=>blue);
echo array_shift($a);
print_r ($a);
?>
echo array_shift($a);
print_r ($a);
?>
green
red
redArray( [c] => green [c] => blue )
redArray( [b] => green [c] => blue )
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)
What will be the output of the following PHP code ?
<?php $i = 5;
while (--$i > 0 || ++$i){ print $i;
} ?>
while (--$i > 0 || ++$i){ print $i;
} ?>
54321111111….infinitely
555555555…infinitely
54321
5
What will be the output of the following PHP code?
<?php $cars = array(Volvo, BMW, Toyota, Honda, Mercedes, Opel);
print_r(array_chunk($cars, 2));
?>
print_r(array_chunk($cars, 2));
?>
Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )
Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )
Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )
Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )
What will be the output of the following PHP code ?
<?php $i = 0;
while ($i = 10){ print hi;
}print hello;
?>
while ($i = 10){ print hi;
}print hello;
?>
hello
infinite loop
hihello
error
What will be the output of the following PHP code ?
<?php define(NEW_GOOD_NAME_CONSTANT, I have a value);
define(OLD_BAD_NAME_CONSTANT, NEW_GOOD_NAME_CONSTANT);
�echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;
?>
define(OLD_BAD_NAME_CONSTANT, NEW_GOOD_NAME_CONSTANT);
�echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;
?>
I have a value
I have a valueI have a value
ERROR
I have a valueNEW_GOO_NAME_CONSTANTS
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 $color1 = red;
$color2 = 1;
$color3 = greyecho $color1 + $color2 . $color3;
?>
$color2 = 1;
$color3 = greyecho $color1 + $color2 . $color3;
?>
1grey
grey
0
red1grey
What will be the output of the following PHP code ?
<?php $i = 5;
while (--$i > 0 && ++$i){ print $i;
} ?>
while (--$i > 0 && ++$i){ print $i;
} ?>
5
555555555…infinitely
54321
error
If session.use_cookie is set to 0, this results in use of..
Session
Cookie
URL rewriting
Nothing happens
Which one of the following function is used to start a session?
start_session()
session_start()
session_begin()
begin_session()
What will be the output of the following PHP code ?
<?php define('IF', 42);
echo IF: , IF;
?>
echo IF: , IF;
?>
IF:42
No output
IF:
ERROR
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
How many ways can a session data be stored?
3
4
5
6
What will be the output of the following PHP code ?
<?php /*echo Hello world;
*/ ?>
*/ ?>
Hello world
Nothing
Error
/* Hello world */
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
1
0
What will be the output of the following PHP code ?
<?php $color1 = 1;
$color2 = 1;
echo $color1 + $color2;
?>
$color2 = 1;
echo $color1 + $color2;
?>
11
2
0
1
Which of following variables can be assigned a value to it?
i) $3hello
ii) $_hello
iii) $this
iv) $This
All of the mentioned
Only ii)
ii), iii) and iv)
ii) and iv)
What will be the output of the following PHP code ?
<?php define(__LINE__, PHP is a scripting language);
echo __LINE__;
?>
echo __LINE__;
?>
PHP is a scripting language
__LINE__
2
ERROR
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 )