Pass the Zend PHP and Zend Framework Certifications 200-550 Questions and answers with CertsForce

What is the output of the following code?

$first = "second";

$second = "first";

echo $$$first;

Late static binding is used in PHP to:

Consider the following code. What change must be made to the class for the code to work as written?

class Magic {

protected $v = array("a" => 1, "b" => 2, "c" => 3);

public function __get($v) {

return $this->v[$v];

}

}

$m = new Magic();

$m->d[] = 4;

echo $m->d[0];

What will the following code print out?

$str = '✔ one of the following';

echo str_replace('✔', 'Check', $str);

What will be the output value of the following code?

$array = array(1,2,3);

while (list(,$v) = each($array));

var_dump(current($array));

What is the result of the following code?

define('PI', 3.14);

class T

{

const PI = PI;

}

class Math

{

const PI = T::PI;

}

echo Math::PI;