PHP Arrays Which array function checks if the specified key exists in the array? arrays_key_exists() array_key_exist() array_keys_exists() array_key_exists() arrays_key_exists() array_key_exist() array_keys_exists() array_key_exists() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function will return true if a variable is an array or false if it is not? do_array() in_array() this_array() is_array() do_array() in_array() this_array() is_array() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$number = array ("4", "hello", 2);echo (array_sum ($number)); 4hello2 2 4 6 4hello2 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code ?$array = array("red", "green");array_push($array, "blue", "yellow");print_r($array); Array ( [0] => red [1] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => blue [1] => yellow ) Array ( [0] => red [1] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => blue [1] => yellow ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$a=array("A","Cat","Dog","A","Dog");$b=array("A","A","Cat","A","Tiger");$c=array_combine($a,$b);print_r(array_count_values($c)); Array ( [A] => 2 [Cat] => 2 [Dog] => 1 [Tiger] => 1 ) Array ( [A] => 5 [Cat] => 2 [Dog] => 2 [Tiger] => 1 ) Array ( [A] => 6 [Cat] => 1 [Dog] => 2 [Tiger] => 1 ) Array ( [A] => 2 [Cat] => 1 [Dog] => 4 [Tiger] => 1 ) Array ( [A] => 2 [Cat] => 2 [Dog] => 1 [Tiger] => 1 ) Array ( [A] => 5 [Cat] => 2 [Dog] => 2 [Tiger] => 1 ) Array ( [A] => 6 [Cat] => 1 [Dog] => 2 [Tiger] => 1 ) Array ( [A] => 2 [Cat] => 1 [Dog] => 4 [Tiger] => 1 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$names = array("Sam", "Bob", "Jack");echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother; $brother Error Sam is the brother of Bob and Bob) Sam is the brother of Bob and Bob) $brother $brother Error Sam is the brother of Bob and Bob) Sam is the brother of Bob and Bob) $brother ANSWER DOWNLOAD EXAMIANS APP