PHP 5 MCQs
PHP 5 MCQs
Try to answer these 300+ PHP 5 MCQs and check your understanding of the PHP 5 subject.
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1: Which function will list files and directories inside the specified path?
A. fopen()
B. fscan()
C. scandir()
D. opendir()
E. readdir()
2: PDO::beginTransaction() turns off autocommit mode.
A. True
B. False
3: Which of the following function is used to display the properties of variable?
A. explain
B. define
C. none of the above
D. var_dump
4: Which function can be used to rename files?
A. fputs()
B. rename()
C. fwrite()
D. copy()
E. die()
5: What is PEAR in PHP?
A. PHP Extension and Application Repository
B. There is no PEAR in PHP.
C. PHP Extended Applications aRchive
6: What is the default timezone in pHP5
A. Gambier/Islands
B. French/Polynesia
C. Europe/Zurich
7: What is the correct way to open the file "time.txt" as readable?
A. fopen("time.txt","r");
B. open("time.txt");
C. open("time.txt","read");
D. fopen("time.txt","w+");
8: The function used to iterate over array and object.
A. while
B. dowhile
C. foreach
D. for
9: How can I identify the server IP address in PHP?
A. $_ADDRESS['server_ip'];
B. $_SERVER['SERVER_ADDR'];
C. server_id();
D. server_addr();
10: Can I Use Proxy In Php Curl
A. TRUE
B. FALSE
11: What Does OOM mean?
A. Object Original Miscleneaous
B. Object Orientaton Mechnism
C. Object Over Masterclass
D. Object Oriented Model
E. Original Overlap Model
12: What is the correct way to include the file "time.inc" ?
A.
B.
C.
D.
A. echo 'Hello World!"
B. "Hello World!"
14: Which of the following function is used to check type of array
A. isArray
B. is_array
C. array_valid
D. valid_array
15: How do you kill or destroy a session?
A. kill_session()
B. session_destroy();
C. destroy_session()
D. reset_session()
E. session_kill()
16: Include files must have the file extension ".inc"
A. Yes
B. No
17: How to open file in read/write mode?
A. $handle = fcopen("http://www.example.com/", "r");
B. $handle = fileopen("http://www.example.com/", "r+");
C. $handle = fopen("http://www.example.com/", "r");
D. $handle = fopen("http://www.example.com/", "r+");
E. $handle = fcopen("http://www.example.com/", "r+");
18: $x = 10.88; echo (int) $x;
A. 1
B. 0
C. 11
D. 10
19: What operator is used to test if two values are identical in every way
A. ===
B. !==
C. instanceof
D. ==
E. =
20: If regular expressions must be used, in general which type of regular expression functions available to PHP is preferred for performance reasons?
A. preg_* regular expression functions
B. ereg* regular expression functions
C. strtok() using regular expressions
D. strregex* regular expression functions
21: True or false? One can include (”abc.PHP”) two times in a PHP page “makeit.PHP”.
A. False
B. True
22: Which function would you use to append one or more elements to the end of the array?
A. array_push()
B. array_unshift()
C. array_shift()
D. array_pop()
23: A fatal error would be caught by
A. E_NOTICE
B. ERROR
C. E_ALERT
D. E_ERROR
E. E_WARNING
24: (8 < 1 || 4 >= 4 ) will return
A. True
B. False
25: Which of the following responsible for change the current directory?
A. chdir()
B. closedir()
C. opendir()
D. dir()
E. rewinddir()
26: How can you delete a file using a php function?
A. drop
B. delete
C. deletefile
D. remove
E. unlink
27: What function in PHP allows you to find the position of the first occurrence of a substring?
A. strtok()
B. strripos()
C. str_repeat()
D. strpos()
E. substr()
28: Which array function checks if the specified key exists in the array?
A. array_key_exists()
B. is_array()
C. array_search()
D. isset()
29: Which of the following is not related to file
A. fgets
B. fopen
C. fappend
D. fclose
E. fwrite
30: What is the name of the function to check that the variable type is an object?
A. (none of these)
B. is_object
C. TypeOject
D. isObject
31: The ______ keyword is used to indicate an incomplete class or method, which must be further extended and/or implemented in order to be used.
A. abstract
B. incomplete
C. implements
D. protected
32: Which of the following responsible for generates the backtrace
A. debug_backtrace()
B. trigger_error()
C. debug_print_backtrace()
D. user_error()
E. error_get_last()
33: Which of the following is not a boolean false
A. False
B. 1
C. (none of these)
D. false
A. Fatal error
B. Mary?
C. Empty output
D. Notice
E. Warning
35: In mail($param1, $param2, $param3, $param4), the $param2 contains:
A. The subject
B. The recipient
C. The header
D. The message
36: What is the best way to URL encode a string?
A. urldecode( $str )
B. urlencode( $str )
C. urlcode( $str )
D. encode_url( $str )
E. encodeurl( $str )
37: You start a transaction with PDO::beginTransaction(). How do you roll back a transaction?
A. PDO::stopTransaction()
B. PDO::rollbackTransaction()
C. PDO::rollBack()
D. PDO::abortTransaction()
38: Assuming today is March 10th, 2001, 5:16:18 pm, and that we are in the Mountain Standard Time (MST) Time Zone, which of the follow outputs: March 10, 2001, 5:16 pm
A. date("F j, Y, g:i a");
B. date("j, n, Y");
C. date("m.d.y");
D. date('h-i-s, j-m-y, it is w Day');
E. date("D M j G:i:s T Y");
39: You start a transaction with PDO::beginTransaction(). How do you commit a transaction?
A. PDO::endTransaction()
B. PDO::commitTransaction()
C. PDO::stopTransaction()
D. PDO::closeTransaction()
E. PDO::commit()
A. b
B. 2
C. 1
D. a
E. a2
41: ( (4 >= 4 && 8 < 1) || (44 == 33 || 5 > 3) ) will return
A. FALSE
B. TRUE
42: Which of the following functions split the string and return the array?
A. strsplit()
B. splitstr()
C. stringsplit()
D. str_split()
E. split_str()
43: True or false? PHP provides the goto in the latest version.
A. True
B. False
A. require()
B. include()
C. nowarn()
D. getFile()
45: How do you make PHP use a class file without having to require or include it manually?
A. Define $_MAP superglobal
B. Set default_lib_path variable in php.ini
C. Use set_class_handler($class_handler) function
D. Define __autoload($class) magic function
E. There's no way to do it
46: What visibility level will this class property get in PHP5? var $cool = true;
A. protected
B. private
C. public
D. var keyword is no longer valid in PHP5
47: What will the following code output: "lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple"); ksort($fruits); foreach ($fruits as $key => $val) { echo "$key = $val\n"; } ?>
A. a = apple b = banana c = lemon d = orange
B. d = apple a = banana b = lemon c = orange
C. a = orange b = banana c = apple d = lemon
D. d = lemon a = orange b = banana c = apple
E. a = lemon b = orange c = banana d = apple
48: How do you connect mysql with the use of PHP5 new functions?
A. (both answers are correct)
B. $connection = new mysqli('localhost', 'user', 'pass', 'test');
C. $user = 'user'; $pass = 'pass'; $connection = new PDO('mysql:host=localhost;dbname=test', $user, $pass);
49: What is the difference between $message and $$message?
A. Memory pointer
B. Classic example of PHP’s variable variables
C. Error
50: The _______ method will be called automatically when an object is represented as a string.
A. __toString()
B. __getString()
C. getString()
D. __get()
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