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NEW QUESTION NO: 20
After performing the following operations:
What will be the value of $a?
A. array('c', 'b', 'a')
B. array('a', 'b', 'c')
C. array(2, 1, 0)
D. None of the above
Answer: B
NEW QUESTION NO: 21
An HTML form contains this form element:
When this form is submitted, the following PHP code gets executed:
Which of the following actions must be taken before this code may go into production? (Choose two.)
A. Use $HTTP_POST_FILESinstead of $_FILESto maintain upwards compatibility.
B. Check with is_uploaded_file()whether the uploaded file $_FILES['myFile']['tmp_name'] is valid.
C. Check the charset encoding of the HTTP request to see whether it matches the encoding of the uploaded file.
D. Sanitize the file name in $_FILES['myFile']['name']because this value is not consistent among web browsers.
E. Sanitize the file name in $_FILES['myFile'][' name']because this value could be forged.
Answer: D,E
NEW QUESTION NO: 22
What is the output of the following code?
A. "second"
B. "first"
C. an empty string
D. an error
Answer: A
NEW QUESTION NO: 23
SIMULATION
Which value will be assigned to the key 0 in the following code?
Answer:
1
NEW QUESTION NO: 24
Which of the following is NOT possible using reflection?
A. Analysing of nearly any aspect of classes and interfaces
B. Adding class methods
C. Implement dynamic construction (new width variable class name)
D. Analysing of nearly any aspect of functions
Answer: B
NEW QUESTION NO: 25
Which of the following functions are used to escape data within the context of HTML? (Choose two.)
A. strip_tags()
B. stripslashes()
C. htmlspecialchars()
D. addslashes()
E. htmlentities()
Answer: E
NEW QUESTION NO: 26
What function is best suited for extracting data from a formatted string into an array?
A. sscanf
B. strtok
C. fgetcsv
D. sprintf
Answer: D
NEW QUESTION NO: 27
What is the benefit of using persistent database connections in PHP? (Choose two.)
A. Allows for resumption of transactions across multiple requests.
B. Allows connection settings such as character set encoding to persist
C. Reduces the connection & authentication overhead of connecting to the database
D. Ensures that only a single connection is open to the database from PHP
Answer: A,B
NEW QUESTION NO: 28
Which of these error types may be handled by a user defined error handler function? (Choose two.)
A. E_PARSE
B. E_WARNING
C. E_NOTICE
D. E_ERROR
Answer: A,D
NEW QUESTION NO: 29
What is the output of the following code?
A. false-false
B. true-true
C. true-false
D. false-true
Answer: D
NEW QUESTION NO: 30
Is the following code vulnerable to SQL Injection where ($mysqliis an instance of the MySQLi class)?
A. Yes, because you cannot prevent SQL Injection when using MySQLi
B. Yes, because the $namevariable is improperly escaped.
C. Yes, because the $namevariable and the $agevariable is improperly escaped.
D. Yes. because the $agevariable is improperly escaped.
E. No, the code is fully protected from SQL Injection.
Answer: D
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