PHP Arrays Which array function checks if the specified key exists in the array? array_key_exist() arrays_key_exists() array_keys_exists() array_key_exists() array_key_exist() arrays_key_exists() array_keys_exists() array_key_exists() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code ?$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1);print_r($result); Array ( [red] => a [green] => b [blue] => c [yellow] => d ) Array ( [a] => a [b] => b [c] => c [d] => d ) Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow ) Array ( [a] => red [b] => green [c] => blue [d] => yellow ) Array ( [red] => a [green] => b [blue] => c [yellow] => d ) Array ( [a] => a [b] => b [c] => c [d] => d ) Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow ) Array ( [a] => red [b] => green [c] => blue [d] => yellow ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What function computes the difference of arrays? arrays_diff diff_arrays diff_array array_diff arrays_diff diff_arrays diff_array array_diff 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 " . $names[1] . "."; Sam is the brother of Bob and Jack Error Sam is the brother of Bob and Bob) Sam is the brother of Jack and Bob) Sam is the brother of Bob and Jack Error Sam is the brother of Bob and Bob) Sam is the brother of Jack and Bob) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well. Integer, string Positive number, negative number Float, string String, Boolean Even number, string Integer, string Positive number, negative number Float, string String, Boolean Even number, string ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$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); 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] => 2 [2] => J [3] => 3 [4] => Q [5] => 4 [6] => K [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 ) 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 ) 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] => 2 [2] => J [3] => 3 [4] => Q [5] => 4 [6] => K [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 ) 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 ) ANSWER DOWNLOAD EXAMIANS APP
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