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 Integer, string Positive number, negative number Float, string Even number, string String, Boolean Integer, string Positive number, negative number Float, string Even number, string 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 ( [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 ) 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 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$fruits = array ("apple", "mango", "peach", "pear", "orange");$subset = array_slice ($fruits, 2);print_r ($subset); Array ( [0] => apple [1] => mango ) Array ( [0] => peach ) Array ( [0] => peach [1] => pear [2] => orange ) Array ( [0] => apple [1] => mango [2] => peach ) Array ( [0] => apple [1] => mango ) Array ( [0] => peach ) Array ( [0] => peach [1] => pear [2] => orange ) Array ( [0] => apple [1] => mango [2] => peach ) 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 Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) Array ( 35 37 43 ) Array ( Peter Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) Array ( 35 37 43 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What function computes the difference of arrays? array_diff diff_arrays arrays_diff diff_array array_diff diff_arrays arrays_diff diff_array 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, but only if the function modifies the contents of the array. 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 array is large. Yes, but only if the function modifies the contents of the array. 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 array is large. ANSWER DOWNLOAD EXAMIANS APP
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