PHP Web Developer Assessment Test
PHP is probably the most popular server scripting language. Also, PHP is a powerful tool for making dynamic and interactive Web pages. Here is a test to assess your knowledge PHP web development.
- 1.
What does libxml_clear_errors() do?- A.
Retrieve array of errors
- B.
Retrieve last error from libxml
- C.
Remove blank nodes
- D.
Clear libxml error buffer
- 2.
Which constant set small nodes allocation optimization?
- A.
LIBXML_NOENT
- B.
LIBXML_COMPACT
- C.
LIBXML_NOEMPTYTAG
- D.
LIBXML_DTDLOAD
- 3.
Which string function converts a string of ASCII characters to hexadecimal values?
- A.
Addcslashes()
- B.
Addslashes()
- C.
Convert_cyr_string()
- D.
Bin2hex()
- 4.
Which string function(s) converts Hebrew text to visual text?
- A.
Hebrev()
- B.
Hebrevc()
- C.
Hex2bin()
- D.
A and C
- E.
A and B
- F.
B and C
- 5.
Which is used for one-way string hashing?
- A.
Crypt()
- B.
Crc32()
- C.
Hebrevc()
- D.
Count_chars()
- 6.
What is the best practice for running MySQL queries in PHP?
- A.
Use mysql_query() and string escaped variables
- B.
Use mysql_query() and variables with a blacklisting check
- C.
Use PDO prepared statements and parameterized queries
- D.
Use mysql_query() and variables
- 7.
Which of the following will check if a function exists?
- A.
Has_function()
- B.
None of these
- C.
Function_exists()
- D.
$a = “function to check”; if ($a ()) // then function exists
- 8.
What is the best way to send an email using the variables $to, $subject, and $body?
- A.
Sendmail(to,subject,body)
- B.
Mail(to,subject,body)
- C.
Sendmail($to,$subject,$body)
- D.
Mail($to,$subject,$body)
- 9.
What is the difference between Unix and Windows platforms when specifying a path?
- A.
They both use / and \
- B.
They use / only
- C.
They use \ only
- D.
One uses / and \ while the other uses / only
- 10.
Which filesystem function returns a character from an open file?
- A.
Fgetcsv()
- B.
Fgets()
- C.
Fgetss()
- D.
Fgetcsv()
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