What will be the output of the following code?
<?php
$foo = 'Bob';
$bar = &$foo;
$bar = "My name is $bar";
echo $bar;
echo $foo;
?>
Error
My name is BobBob
My name is BobMy name is Bob
My name is Bob Bob
C.
My name is BobMy name is Bob
The $bar = &$foo; line will reference $foo via $bar.
<?php $a = array(A, Cat, Dog, A, Dog);
print_r(array_count_values($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)
time()
mktime()
mrtime()
mtime()
<?php $fname = array(Peter, Ben, Joe);
$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 )
<?php class Constants{ define('MIN_VALUE', '0.0');
define('MAX_VALUE', '1.0');
public static function getMinValue() { return self::MIN_VALUE;
} public static function getMaxValue() { return self::MAX_VALUE;
}}echo Constants::getMinValue();
echo Constants::getMaxValue();
?>
0.01.0
01
No output
ERROR
T
N
E
I
<?php define(GREETING, PHP is a scripting language, true);
echo GREETING;
echo
echo GREETING;
?>
PHP is a scripting language
GREEtING
GREETING
PHP is a scripting language
PHPSESSID
PHPSESID
PHPSESSIONID
PHPIDSESS
<?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>
TRUE
FALSE
Valid
Invalid
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)
<?php $i = 5;
while (--$i > 0 || ++$i){ print $i;
} ?>
54321111111….infinitely
555555555…infinitely
54321
5
<?php $a = array(red, green, blue);
array_pop($a);
print_r($a);
?>
Array ( [0] => red [1] => green )
Array ( [0] => green [1] => blue )
Array ( [0] => red [1] => blue )
Array ( [0] => blue [1] => blue )
<?php define('GREETING_TEST', 'PHP is a scripting language', true);
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
PHP is a scripting language
GREETING_TESt
PHP is a scripting language
GREETING_TEST
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)
1800
3600
1440
1540
<?php $cars = array(Volvo, BMW, Toyota);
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)
<?php printf( date(t) ) ?>
30
22
JUNE
2013
<?php define(VAR_NAME,test);
${VAR_NAME} = value;
echo VAR_NAME;
echo ${VAR_NAME};
?>
test
testtest
testvalue
error, constant value cannot be changed
<?php echo Today is .date(F d, Y) ?>
Today is 22 June, 2013
Today is 22-06-2013
Today is 06-22-2013
Today is June 22, 2013
<?php $color1 = 1;
$color2 = 1;
echo $color1 + $color2;
?>
11
2
0
1
save_data
session.save
session.save_data
session.save_handler
<?php $i = 0;
while ($i = 10){ print hi;
}print hello;
?>
hello
infinite loop
hihello
error
Complete text representation of month
Day of month, with leading zero
Daylight saving time
Day of month, without zeros
<?php define(GREETING, PHP is a scripting language);
echo $GREETING;
?>
$GREETING
no output
PHP is a scripting language
GREETING
<?php $i = 0;
while (++$i && --$i){ print $i;
} ?>
1234567891011121314….infinitely
01234567891011121314…infinitely
no output
error
<?php $a1 = array_fill(3, 4, blue);
$b1 = array_fill(0, 1, red);
print_r($a1);
echo
;
print_r($b1);
?>
Array ( [3] => blue [4] => blue)
Array ( [0] => red )
Array ( [4] => blue [5] => blue [6] => blue)
Array ( [0] => red )
Array ( [3] => blue [4] => blue [5] => blue [6] => blue )
Array ()
Array ( [3] => blue [4] => blue [5] => blue [6] => blue )
Array ( [0] => red )
<?php $color = red;
echo $color . red ;
?>
red red
red
error
nothing
<?php $color1 = red;
$color2 = 1;
echo $color1 + $color2;
?>
red1
red 1
0
1
3
4
5
6
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)
<?php $color1 = red;
$color2 = red;
echo $color1 + $color2;
?>
redgreen
red green
0
1