PHP Arrays
What elements will the following script output?
$array = array (true => 'a', 1 => 'b');
var_dump ($array);

1 => 'b'
None
It will output NULL
True => 'a', 1 => 'b'

ANSWER DOWNLOAD EXAMIANS APP

PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
print_r(array_merge($a1, $a2));

Array ( [0] => red [1] => green [2] => blue [3] => yellow )
Array ( [0] => red [1] => green)
Array ( [0] => blue [1] => yellow [2] => red [3] => green )
Array ( [0] => blue [1] => yellow )

ANSWER DOWNLOAD EXAMIANS APP

PHP Arrays
What will be the output of the following PHP code ?
$city_west = array("NYC", "London");
$city_east = array("Mumbai", "Beijing");
print_r(array_replace($city_west, $city_east));

Array ( [1] => Mumbai [0] => Beijing )
Array ( [0] => NYC [1] => London )
Array ( [1] => NYC [0] => London )
Array ( [0] => Mumbai [1] => Beijing )

ANSWER DOWNLOAD EXAMIANS APP

PHP Arrays
What will be the output of the following PHP code?
$face = array ("A", "J", "Q", "K");
$number = array ("2","3","4", "5", "6", "7", "8", "9", "10");
$cards = array_merge ($face, $number);
print_r ($cards);

Array ( [0] => A [1] => J [2] => Q [3] => K [4] => 2 [5] => 3 [6] => 4 [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )
Array ( [0] => 2 [1] => 3 [2] => 4 [3] => 5 [4] => 6 [5] => 7 [6] => 8 [7] => 9 [8] => 10 [9] => A [10] => J [11] => Q [12] => K )
Array ( [0] => A [1] => 2 [2] => J [3] => 3 [4] => Q [5] => 4 [6] => K [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )
Error

ANSWER DOWNLOAD EXAMIANS APP