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 $sum; NULL 5 19 78 NULL 5 19 78 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$names = array("Sam", "Bob", "Jack");echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . "."; 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) Sam is the brother of Bob and Jack 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. String, Boolean Positive number, negative number Float, string Integer, string Even number, string String, Boolean Positive number, negative number Float, string Integer, string Even number, string ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function will return true if a variable is an array or false if it is not? in_array() this_array() do_array() is_array() in_array() this_array() do_array() is_array() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays PHP’s numerically indexed array begin with position ______. 2 -1 1 0 2 -1 1 0 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Absent any actual need for choosing one method over the other, does passing arrays by value to a read-only function reduce performance compared to passing them by reference? Yes, because the interpreter must always create a copy of the array before passing it to the function. No Yes, but only if the function modifies the contents of the array. Yes, but only if the array is large. Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. Yes, because the interpreter must always create a copy of the array before passing it to the function. No Yes, but only if the function modifies the contents of the array. Yes, but only if the array is large. Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS