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How do you write "Hello World" in PHP?

  • echo "Hello World";
  • print("Hello World");
  • document.write("Hello World");
  • printf("Hello World");
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How do you write "Hello World" in PHP?

  • echo "Hello World";
  • print("Hello World");
  • document.write("Hello World");
  • printf("Hello World");
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Which function is used to read a file into an array?

  • file()
  • read_file()
  • file_read()
  • array_file()
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What is the correct way to include a file in PHP?

  • include "file.php";
  • require_once("file.php");
  • include_file("file.php");
  • load_file("file.php");
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How do you insert a comment in PHP code?

  • /* This is a comment */
  • // This is a comment
  • <!-- This is a comment -->
  • # This is a comment
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How do you define a constant in PHP?

  • define("CONSTANT", "value");
  • constant("CONSTANT", "value");
  • set_constant("CONSTANT", "value");
  • define_constant("CONSTANT", "value");
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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);
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How do you end a session in PHP?

  • session_end();
  • session_destroy();
  • end_session();
  • session_unset();
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Which function is used to check if a file exists in PHP?

  • file_exist()
  • file_exists()
  • is_file_exist()
  • does_file_exist()
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How do you create a cookie in PHP?

  • setcookie("name", "value", time()+3600);
  • cookie_create("name", "value", time()+3600);
  • create_cookie("name", "value", time()+3600);
  • add_cookie("name", "value", time()+3600);
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Which operator is used to concatenate two strings in PHP?

  • +
  • .
  • &
  • CONCAT
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What is the default file extension for PHP files?

  • .ph
  • .php
  • .phtml
  • .php3
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How do you check if a file is readable in PHP?

  • is_readable($file);
  • readable($file);
  • file_readable($file);
  • check_readable($file);
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What is the correct way to connect to a MySQL database in PHP?

  • mysql_connect("hostname", "username", "pwd");
  • connect("hostname", "username", "pwd");
  • mysql_open("hostname", "username", "pwd");
  • mysql("hostname", "username", "pwd");
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How do you check if a file is readable in PHP?

  • is_readable($file);
  • readable($file);
  • file_readable($file);
  • check_readable($file);
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Which function is used to read a file into an array?

  • file()
  • read_file()
  • file_read()
  • array_file()
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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()
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Which method is used to retrieve data from a form using the GET method?

  • $_POST[]
  • $_REQUEST[]
  • $_GET[]
  • $_FORM[]
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Which operator is used to concatenate two strings in PHP?

  • +
  • .
  • &
  • CONCAT
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Which of the following is not a valid variable name in PHP?

  • $var_name
  • $varName
  • $var-name
  • $varName2
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What does PEAR stand for in PHP?

  • PHP Extension and Application Repository
  • PHP Event and Application Repository
  • PHP Extension and Application Resource
  • PHP Event and Application Resource
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How do you generate a random number in PHP?

  • rand()
  • random()
  • generate_random()
  • randomize()
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What is the correct way to get the length of an array in PHP?

  • count($array);
  • array_length($array);
  • sizeof($array);
  • length($array);
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What does PEAR stand for in PHP?

  • PHP Extension and Application Repository
  • PHP Event and Application Repository
  • PHP Extension and Application Resource
  • PHP Event and Application Resource
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How do you define a constant in PHP?

  • define("CONSTANT", "value");
  • constant("CONSTANT", "value");
  • set_constant("CONSTANT", "value");
  • define_constant("CONSTANT", "value");
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Which of the following is used to encrypt passwords in PHP?

  • crypt()
  • md5()
  • password_hash()
  • hash()
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How do you create a loop in PHP?

  • for loop
  • while loop
  • do loop
  • foreach loop
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What is the correct way to start a session in PHP?

  • session_start();
  • start_session();
  • begin_session();
  • session_begin();
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How do you create a loop in PHP?

  • for loop
  • while loop
  • do loop
  • foreach loop
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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

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