Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 151:

  You'd like to use the class MyDBConnection that's defined in the MyGreatFramework \MyGreatDatabaseAbstractionLayer namespace, but you want to minimize *as much as possible* the length of the class name you have to type. What would you do?

  A. Import the MyGreatFramework namespace
  B. Import the MyGreatFramework\MyGreatDatabaseAbstractionLayer namespace
  C. Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer\MyDBConnection to a shorter name
  D. Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer to a shorter name
  C. Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer\MyDBConnection to a shorter name

• Question 152:

  What is the output of the following code?

  function fibonacci (and$x1 = 0, and$x2 = 1)

  {

  $result = $x1 + $x2;

  $x1 = $x2;

  $x2 = $result;

  return $result;

  }

  for ($i = 0; $i < 10; $i++) {

  echo fibonacci() . ',';

  }

  A. An error
  B. 1,1,1,1,1,1,1,1,1,1,
  C. 1,1,2,3,5,8,13,21,34,55,
  D. Nothing
  B. 1,1,1,1,1,1,1,1,1,1,

• Question 153:

  What function can reverse the order of values in an array so that keys are preserved?

  A. array_flip()
  B. array_reverse()
  C. rsort()
  D. krsort()
  E. array_multisort()
  B. array_reverse()

• Question 154:

  Which of the following can NOT be used to send a cookie from within a PHP application?

  A. header()
  B. $_COOKIE
  C. setcookie()
  D. setrawcookie()
  B. $_COOKIE

• Question 155:

  What SimpleXML function is used to parse a file?

  A. simplexml_load_file()
  B. simplexml_load_string()
  C. load()
  D. loadFile()
  E. loadXML()
  F. None of the above.
  A. simplexml_load_file()

• Question 156:

  The constructs for(), foreach(), and each() can all be used to iterate an object if the object...

  A. implements ArrayAccess
  B. implements Iterator
  C. implements Iterator and ArrayAccess
  D. None of the above
  C. implements Iterator and ArrayAccess

• Question 157:

  What is the output of the following code?

  class Test {

  public function __call($name, $args)

  {

  call_user_func_array(array('static', "test$name"), $args); } public function testS($l) {

  echo "$l,";

  }

  }

  class Test2 extends Test {

  public function testS($l) {

  echo "$l,$l,";

  }

  }

  $test = new Test2();

  $test->S('A');

  A. A,
  B. A,A,
  C. A,A,A,
  D. PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback
  B. A,A,

• Question 158:

  What is the recommended method of copying data between two opened files?

  A. copy($source_file, $destination_file);
  B. copy($destination_file, $source_file);
  C. stream_copy_to_stream($source_file, $destination_file);
  D. stream_copy_to_stream($destination_file, $source_file);
  E. stream_bucket_prepend($source_file, $destination_file);
  C. stream_copy_to_stream($source_file, $destination_file);

• Question 159:

  When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a certain user agent string? (Choose 2)

  A. $default_opts = array('http'=>array('user_agent'=>"My Cool Browser"));$default = stream_context_set_default($default_opts);
  B. stream_context_set_option("user_agent", "My Cool Browser");
  C. ini_set('user_agent', "My Cool Browser");
  D. stream_context_set_option($context, "http", "user_agent", "My Cool Browser");
  A. $default_opts = array('http'=>array('user_agent'=>"My Cool Browser"));$default = stream_context_set_default($default_opts);
  C. ini_set('user_agent', "My Cool Browser");

• Question 160:

  What is the output of the following code?

  $a = 'a'; $b = 'b';

  echo isset($c) ? $a.$b.$c : ($c = 'c').'d';

  A. abc
  B. cd
  C. 0d
  B. cd