200-500 試験問題を無料オンラインアクセス

In a typical web application the most used database action is...

• A.INSERT
• B.CREATE
• C.SELECT
• D.UPDATE
• E.ALTER

Which of the following statements is true?

• A.All PHP database extensions come with their own special helper functions to escape user data to be used in dynamic SQL queries
• B.All PHP database extensions support prepared statements
• C.All PHP database extensions appear in the output of php -m , if installed
• D.All PHP database extensions provide an OOP interface

What is the output of the folowing code?
1 <?php
2 echo '1' . (print '2') + 3;
3 ?>

• A.123
• B.213
• C.Syntax error
• D.214
• E.142

Given the following code, what is correct?
function f(stdClass &$x = NULL) { $x = 42;
}
$z = new stdClass;
f($z);
var_dump($z);

• A.Result is object of type stdClass
• B.Result is 42
• C.Result is NULL
• D.Error: Typehints cannot be NULL
• E.Error: Typehints cannot be references

How many elements does the $matches array contain after the following function call is performed? preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=200[0-9])/', '21st March
2006', $matches);

• A.3
• B.2
• C.4
• D.1