<?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();
?>
<?php $color1 = 1;
$color2 = 1;
echo $color1 + $color2;
?>
<?php /*echo Hello world;
*/ ?>
/* Hello world */
<?php $cars = array(Volvo, BMW, Toyota);
echo I like . $cars[0] . , . $cars[1] . and . $cars[2] . .;
?>
PHP files have a default file extension of..
.html
.xml
.php
.ph
<?php define(GREETING, PHP is a scripting language, true);
echo GREETING;
echo
echo GREETING;
?>
<?php $color1 = red;
$color2 = green;
echo $color1 + $color2;
?>
<?php define(GREETING, PHP is a scripting language);
echo $GREETING;
?>
time()
mktime()
mrtime()
mtime()
<?php printf( date(t) ) ?>
<?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)
<?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 $i = 5;
while (--$i > 0 || ++$i){ print $i;
} ?>
What does PHP stand for?
i) Personal Home Page
ii) Hypertext Preprocessor
iii) Pretext Hypertext Processor
iv) Preprocessor Home Page
Both i) and iii)
Both ii) and iv)
Only ii)
Both i) and ii)
Which of the following is/are a PHP code editor?
i) Notepad
ii) Notepad++
iii) Adobe Dreamweaver
iv) PDT
Only iv)
All of the mentioned.
i), ii) and iii)
Only iii)
<?php $color1 = red;
$color2 = red;
echo $color1 + $color2;
?>
<?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>
$date = Date(22 JUNE 2013)
$date = new Date(JUNE 22 2013)
$date = DateTime(22 JUNE 2013)
$date = new DateTime(22 JUNE 2013)
<?php $cars = array(Volvo, BMW, Toyota, Honda, Mercedes, Opel);
print_r(array_chunk($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 ) )
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 $i = 0;
while(++$i || --$i){ print $i;
} ?>
<?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;
?>
<?php define(__LINE__, PHP is a scripting language);
echo __LINE__;
?>
<?php $i = 0;
while ($i = 10){ print hi;
}print hello;
?>
<?php $i = 0;
while (++$i && --$i){ print $i;
} ?>
<?php define('IF', 42);
echo IF: , IF;
?>
lastmod()
getlastmod()
last_mod()
get_last_mod()
<?php $color1 = red;
$color2 = green;
echo $color1.$color2;
?>
<?php $color = red;
echo $color . red ;
?>
<?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);
?>
Array ( [d] => yellow )
Array ( [c] => blue )
Array ( [a] => red )
Array ( [e] => yellow )
<?php $i = 2;
while (++$i){ while ($i --> 0) print $i;
} ?>
<?php $i = 5;
while (--$i > 0 && ++$i){ print $i;
} ?>
<?php define('GREETING_TEST', 'PHP is a scripting language', true);
eho GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>
<?php $color1 = red;
$color2 = 1;
$color3 = greyecho $color1 + $color2 . $color3;
?>
<?php $a1 = array(red, green);
$a2 = array(blue, yellow);
print_r(array_merge($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 )
save_data
session.save
session.save_data
session.save_handler
<?php $age = array(Peter=>35, Ben=>37, Joe=>43);
print_r(array_change_key_case($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 )
totime(+45)
totime(+45 days)
strtotime(+45 days)
strtotime(-45 days)
<?php $i = 5;
while (--$i > 0){ $i++;
print $i;
print hello;
} ?>
<?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 $color = red;
$color = green;
echo $color;
?>
<?php define('GOOD_OCTAL', 0700);
define('BAD_OCTAL', 0600);
print GOOD_OCTAL;
print '
';
print BAD_OCTAL;
?>
<?php $a = array(a=>red, b=>green, c=>blue);
echo array_shift($a);
print_r ($a);
?>
green
red
redArray( [c] => green [c] => blue )
redArray( [b] => green [c] => blue )