PHP Arrays What will be the output of the following PHP code?$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");print_r(array_change_key_case($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 ) 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 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$a1 = array("red", "green");$a2 = array("blue", "yellow");$a3 = array_merge($a1, $a2);$a4 = array("a", "b", "c", "d");$a = array_combine($a4, $a3);print_r($a); Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [a] => red [b] => green [c] => blue [d] => yellow ) Array ( [a] => blue [b] => yellow [c] => red [d] => green ) Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [a] => red [b] => green [c] => blue [d] => yellow ) Array ( [a] => blue [b] => yellow [c] => red [d] => green ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which array function checks if the specified key exists in the array? arrays_key_exists() array_key_exists() array_key_exist() array_keys_exists() arrays_key_exists() array_key_exists() array_key_exist() array_keys_exists() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which in-built function will add a value to the end of an array? array_unshift() inend_array() into_array() array_push() array_unshift() inend_array() into_array() array_push() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$fname = array("Peter", "Ben", "Joe");$age = array("35", "37", "43");$c = array_combine($fname, $age);print_r($c); Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( Peter Ben Joe ) Array ( 35 37 43 ) Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( Peter Ben Joe ) Array ( 35 37 43 ) ANSWER DOWNLOAD EXAMIANS APP
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; 5 NULL 78 19 5 NULL 78 19 ANSWER DOWNLOAD EXAMIANS APP
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