What will be the output of the following PHP 7.1 code?

class Example

{

public function abcFunction()

{

return Closure::fromCallable([$this, }

private function privateFunction($param)

{

var_dump($param);

}

}

$expFunc = (new Example)->abcFunction();

$expFunc('My New Example');?>

Which option can be the key of an array?

var $example = var $array = array('My name is A.', 'My name is B.', 'My name is C.'); var $r = 'My name is r.'; } $f = new f(); $example = 'example'; $b = array('f', 'example', 'b', 'c'); echo $f->$example. '\n'; echo $f->{$b[1]} . '\n'; $start = 'exa'; $end = 'mple'; echo $f->{$start. $end}. '\n'; $array = 'array'; echo $f->{$array[1]}. '\n'; ?>

Which code statement should replace ??? to obtain 12345 as output? function recursive($var){ echo $var; if($var < 5){ ??? } } $a = 1; recursive($a); ?>

$bar = <<< 1;Anna;eats mangoes 2;Mark;eats apples EOF; function bar_parser($bar) { foreach (explode('\n', $bar) as $I) { $foo = explode(';', $I); $id = array_shift($foo); yield $id => $foo; } } foreach (bar_parser($bar) as $id => $foo) { echo '$id:\n'; echo' $foo[0]\n'; echo' $foo[1]\n'; } ?>

$st = echo 'At index -4, the character is $st[-4].', PHP_EOL; $st[-3] = 'o'; echo 'Replacement at index -3 to o gives $st.', PHP_EOL; ?>

What is wrong with the following code? setValue(10); $a_copy->setValue(20); ?>

Which functions allows you to store session data in a database?

What is the new syntax of array ?

How to declare an interface?

Given: $email = ‘[email protected]’; which code block will output example.com?