PHP Arrays What elements will the following script output?$array = array (true => 'a', 1 => 'b');var_dump ($array); It will output NULL None True => 'a', 1 => 'b' 1 => 'b' It will output NULL None True => 'a', 1 => 'b' 1 => 'b' 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. Even number, string Positive number, negative number String, Boolean Integer, string Float, string Even number, string Positive number, negative number String, Boolean Integer, string Float, string ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What functions count elements in an array?1. count2. Sizeof3. Array_Count4. Count_array Option 1 and 4 Option 3 and 4 Option 1 and 2 Option 2 and 4 Option 1 and 4 Option 3 and 4 Option 1 and 2 Option 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function can be used to move the pointer to the previous array position? before() previous() last() prev() before() previous() last() prev() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code ?$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");array_change_key_case($age, CASE_UPPER);array_pop($age);print_r($age); Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 ) Array ( [HARRY] => 21 [RON] => 23 ) Array ( [Harry] => 21 [Ron] => 23 ) Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 ) Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 ) Array ( [HARRY] => 21 [RON] => 23 ) Array ( [Harry] => 21 [Ron] => 23 ) Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 ) 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, but only if the array is large. 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, because PHP must monitor the execution of the function to determine if changes are made to the array. Yes, but only if the array is large. Yes, because the interpreter must always create a copy of the array before passing it to the function. No ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS