logo

Online Exam Quiz

questionQuestion  1 to 30

Exit Quiz

Which of the following is not a valid variable name in PHP?

  • $var_name
  • $varName
  • $var-name
  • $varName2
Mark for review

Which function is used to read a file into an array?

  • file()
  • read_file()
  • file_read()
  • array_file()
Mark for review

How do you define a constant in PHP?

  • define("CONSTANT", "value");
  • constant("CONSTANT", "value");
  • set_constant("CONSTANT", "value");
  • define_constant("CONSTANT", "value");
Mark for review

How do you create a loop in PHP?

  • for loop
  • while loop
  • do loop
  • foreach loop
Mark for review

How do you write "Hello World" in PHP?

  • echo "Hello World";
  • print("Hello World");
  • document.write("Hello World");
  • printf("Hello World");
Mark for review

Which of the following is used to encrypt passwords in PHP?

  • crypt()
  • md5()
  • password_hash()
  • hash()
Mark for review

Which of the following is a way to end a script execution in PHP?

  • stop();
  • break;
  • end;
  • die();
Mark for review

Which function is used to replace a substring in PHP?

  • replace()
  • substr_replace()
  • str_replace()
  • string_replace()
Mark for review

Which of the following is a way to end a script execution in PHP?

  • stop();
  • break;
  • end;
  • die();
Mark for review

What is the correct way to check if a variable is an array in PHP?

  • is_array($variable);
  • check_array($variable);
  • array_check($variable);
  • is_arr($variable);
Mark for review

Which method is used to retrieve data from a form using the GET method?

  • $_POST[]
  • $_REQUEST[]
  • $_GET[]
  • $_FORM[]
Mark for review

Which of the following is the correct way to declare a PHP variable?

  • var $variable;
  • $variable;
  • declare $variable;
  • dim $variable;
Mark for review

How do you get the current date and time in PHP?

  • date("Y-m-d H:i");
  • getdate();
  • current_date();
  • datetime();
Mark for review

How do you create a MySQL database using PHP?

  • mysql_query("CREATE DATABASE dbname");
  • mysql_create_db("dbname");
  • mysql_database_create("dbname");
  • mysql_execute("CREATE DATABASE dbname");
Mark for review

How do you check if a variable is set in PHP?

  • isset($variable);
  • var_set($variable);
  • defined($variable);
  • is_set($variable);
Mark for review

Which function is used to start output buffering in PHP?

  • ob_start()
  • start_buffer()
  • buffer_start()
  • output_buffer_start()
Mark for review

What is the correct way to close a MySQL connection in PHP?

  • mysql_end()
  • mysql_close()
  • close_mysql()
  • mysql_disconnect()
Mark for review

Which function is used to replace a substring in PHP?

  • replace()
  • substr_replace()
  • str_replace()
  • string_replace()
Mark for review

How do you remove whitespaces from the beginning and end of a string?

  • trim()
  • strip()
  • ltrim()
  • rtrim()
Mark for review

Which of the following is used to encrypt passwords in PHP?

  • crypt()
  • md5()
  • password_hash()
  • hash()
Mark for review

Which function is used to check if a file exists in PHP?

  • file_exist()
  • file_exists()
  • is_file_exist()
  • does_file_exist()
Mark for review

What is the correct way to create a function in PHP?

  • function functionName() { }
  • create functionName() { }
  • define functionName() { }
  • make functionName() { }
Mark for review

What is the default file extension for PHP files?

  • .ph
  • .php
  • .phtml
  • .php3
Mark for review

Which operator is used to concatenate two strings in PHP?

  • +
  • .
  • &
  • CONCAT
Mark for review

Which SQL statement is used to extract data from a database?

  • GET
  • OPEN
  • SELECT
  • EXTRACT
Mark for review

How do you generate a random number in PHP?

  • rand()
  • random()
  • generate_random()
  • randomize()
Mark for review

What is the correct way to check if a variable is an array in PHP?

  • is_array($variable);
  • check_array($variable);
  • array_check($variable);
  • is_arr($variable);
Mark for review

How do you get the last inserted ID in MySQL using PHP?

  • mysql_insert_id()
  • mysql_last_id()
  • mysql_get_id()
  • mysql_last_insert_id()
Mark for review

How do you check if a file is readable in PHP?

  • is_readable($file);
  • readable($file);
  • file_readable($file);
  • check_readable($file);
Mark for review

Which of the following is not a valid PHP data type?

  • Integer
  • String
  • Float
  • Character
Mark for review

blinkerOnline

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • Answered
  • Not Answered
  • Marked for Review

Get a 1:1 Mentorship call with our Career Advisor

Book free session