200-500 Exam Questions

When uploading a file to a PHP script using the HTTP PUT method, where would the information about this file be available?

What will the $array array contain at the end of this script? 1 <?php 2 function modifyArray (&$array) 3 { 4 foreach ($array as &$value) 5 { 6 $value = $value + 1; 7 } 9 $value = $...

You work for a shared hosting provider, and your supervisor asks you to disable user scripts to dynamically load PHP extensions using the dl() function. How can you do this? (Choos...

Which of the following statements is NOT true? (a) Class constants are public (b) Class constants are being inherited (c) Class constants can omit initialization (default to NULL)...

Type hinting in PHP allows the identification of the following variable types: (Choose 2)

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', $matc...

Given the following code, what will be the value of $a? $a = array('a', 'b'); array_push($a, array(1, 2));

Which of the following filtering techniques prevents cross-site scripting (XSS) vulnerabilities?

Identify the security vulnerability in the following example: 1 <?php 2 echo "Welcome, {$_POST['name']}."; 3 ?>

How many times will the function counter() be executed in the following code? function counter($start, &$stop) { if ($stop > $start) { return; } counter($start--, ++$stop); } $star...

When a class is defined as final it:

Which parts of the text are matched in the following regular expression? 1 <?php 2 $text = <<<EOT 3 The big bang bonged under the bung. 4 EOT; 6 preg_match_all('@b.n?g@', $text, $m...

What is the content of $c after the following code has executed? $a = 2; $b = 3; $c = ($a++ * ++$b);

Which options do you have in PHP to set the expiry date of a session?

1 <?php 2 setcookie('name1', 'value1', time() + 60*60*24, '/'); 3 setcookie('name1', 'value2'); 4 ?> The web browser is configured to accept all cookies. How many cookies will be s...

You analyze the code of a collegue and see, it uses the function strcasecmp. You try it out to see what it does and use the following function call: strcasecmp('hello my dear!', 'H...

What is the output of the following script? 1 <?php 2 class a 3 { 4 public $val; 5 } 7 function renderVal (a $a) 8 { 9 if ($a) { 10 echo $a->val; 11 } 12 } 14 renderVal (null); 15...

You are using a database named HumanResource. You have to delete some tables from the database using SQL statements. Which of the following statements will you use to accomplish th...

Instances of a class are referred as a(n) __________.

Which of the following holds session variables?

Which of the following is a function that can be used to remove the issue of lazy loading?

Which of the following functions will you use to create an empty file?

Which of the following functions will you use as a countermeasure against a SQL injection attack?

You run the following PHP script: <?php define ("USER", "Maria"); $USER="John"; print "Welcome ".USER; ?> What will be the output?

Which of the following functions can be used to match a string against a whitelist mask of allowed characters?

Which of the following is a valid string function that is used to convert every newline into an HTML break?

Which of the following is a function that converts the string 129.0.0.256 into its integer representation of the valid IP 129.0.1.0?

Which of the following joins is used to join a table to itself?

Which of the following variables are NOT supported by type hinting? Each correct answer represents a complete solution. Choose two.

You work as a Web Developer for Remote Inc. What will be the output when you try to run the script below? <?php $b = false; if($b = true) print("true"); else print("false"); ?>

You run the following PHP script: <?php $array1 = array ('a' => 20, 30, 35); $array2 = array ('b' => 20, 35, 30); $array = array_intersect_assoc ($array1, $array2); var_dump ($arra...

Which of the following functions return the timestamp value? Each correct answer represents a complete solution. Choose all that apply.

Consider the following PHP script: <?php $fp = fopen('file.txt', 'r'); $string1 = fgets($fp, 512); fseek($fp, 0); ?> Which of the following functions will give the same output as t...

Identify whether the given statement is true or false. "The IN operator cannot be used in a condition that involves an outer join."

Which of the following group functions CANNOT be used to store numeric data?

Which of the following is a valid PHP function that is used to delete a file using PHP?

Which of the following functions can be used to change the permission on a file or directory?

Consider a string in the following format: a*bcd/a.d You want to perform regular expression in this string; however, you are unable to do this since the string contains special cha...

You run the following PHP script: <?php $name = mysql_real_escape_string($_POST["name"]); $password = mysql_real_escape_string($_POST["password"]); ?> What is the use of the mysql_...

Consider the following script: <?php echo date("M-d-Y", mktime(0, 0, 0, 12, 32, 1995)); ?> What will be the output of the above script?

Which of the following data types are compound data types?