PHP Arrays What will the following script output?$array = array (1, 2, 3, 5, 8, 13, 21, 34, 55);$sum = 0;for ($i = 0; $i < 5; $i++) {$sum += $array[$array[$i]];}echo $sum; NULL 19 5 78 NULL 19 5 78 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code ?$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");array_change_key_case($age, CASE_UPPER);array_pop($age);print_r($age); Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 ) Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 ) Array ( [Harry] => 21 [Ron] => 23 ) Array ( [HARRY] => 21 [RON] => 23 ) Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 ) Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 ) Array ( [Harry] => 21 [Ron] => 23 ) Array ( [HARRY] => 21 [RON] => 23 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");$a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange");$a3 = array("i" => "orange");$a4 = array_combine($a2, $a3);$result = array_diff($a4, $a2);print_r($result); Array ( [h] => orange ) Array ( [d] => yellow ) Array ( [d] => yellow [h] => orange ) Array ( [i] => orange ) Array ( [h] => orange ) Array ( [d] => yellow ) Array ( [d] => yellow [h] => orange ) Array ( [i] => orange ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$a = array("a"=>"red", "b"=>"green", "c"=>"blue");echo array_shift($a);print_r ($a); blue red none of the mentioned green blue red none of the mentioned green ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which array function checks if the specified key exists in the array? array_keys_exists() arrays_key_exists() array_key_exist() array_key_exists() array_keys_exists() arrays_key_exists() array_key_exist() array_key_exists() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$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] => 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] => 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] => 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 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] => 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] => 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