最新的高品質 200-530 考試練習題庫

You'd like to use the class MyDBConnection that's defined in the MyGreatFrarnework\GreafDatabaseAbstractionLayer 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 MyGreatFrarnework\GreafDatabaseAbstractionLayer namespace
• B. Import the MyGreatFramework namespace
• C. Alias MyGreatFrarnework\GreafDatabaseAbstractionLayer to a shorter name
• D. Alias MyGreatFrarnework\GreafDatabaseAbstractionLayer\MyDBConnection to a shorter name

You want to access the 3rd character of a string, contained in the variable $test. Which of the following possibilities work?(Choose 2)

• A. echo $test(3)
• B. echo $test{2};
• C. echo $test(2);
• D. echo $test{3}
• E. echo $test[2];

What will be the result of the following operation?
array_combine(array("A","B","C"), array(1,2,3));

• A. array(1=>"A",2=>"B",3=>"C")
• B. array("A"=>1,"B"=>2,"C"=>3)
• C. array(1,2,3,"A","B",C")
• D. array("A","B",C",1,2,3)
• E. array(1,2,3)

What is the output of the following script?
1 <?php
2 function fibonacci ($x1, $x2)
3 {
4 return $x1 + $x2;
5 }
6
7 $x1 = 0;
8 $x2 = 1;
9
10 for ($i = 0; $i < 10; $i++) {
11 echo fibonacci($x1, $x2) . ',';
12 }
13 ?>

• A. 1,2,3,5,8,13,21,34,55,89,
• B. 1,2,3,4,5,6,7,8,9
• C. 1,2,3,4,5,6,7,8,9,10,
• D. 1,1,1,1,1,1,1,1,1,1,

What is the output of the following code:
str_replace(array("Apple","Orange"), array("Orange","Apple"), "Oranges are orange and Apples are green");

• A. Apples are orange and Oranges are green
• B. Apples are apple and Apples are green
• C. Apples are orange and Apples are green
• D. Apples are apple and Oranges are green