PHP Functions What will be the output of the following PHP code?function addFunction($num1, $num2) {$sum = $num1 + $num2;return $sum;}$return_value = addFunction(10, 20);echo "Returned value from the function : $return_value" Returned value from the function : 30 Returned value from the function : $return_value Error Returned value from the function : Returned value from the function : 30 Returned value from the function : $return_value Error Returned value from the function : ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code?function a() {function b() {echo 'I am b';}echo 'I am a';}a();a(); Error I am a Error I am b I am bI am a Error I am a Error I am b I am bI am a ANSWER DOWNLOAD EXAMIANS APP
PHP Functions The below statement will return.$Var = substr(""abcdef"", -4, 1); returns "c" returns "d" returns "f" returns "cd" returns "c" returns "d" returns "f" returns "cd" ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code ?function calc($num1, $num2){$total = $num1 * $num2;return $total; }$result = calc(42, 0);echo $result; 0 Error 84 42 0 Error 84 42 ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code?function calc($price, $tax="") {$total = $price + ($price * $tax);echo "$total";}calc(42); 84 42 0 Error 84 42 0 Error ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code?$op2 = "blabla";function foo($op1) {echo $op1;echo $op2;}foo("hello"); hello helloblablablabla helloblabla error hello helloblablablabla helloblabla error ANSWER DOWNLOAD EXAMIANS APP