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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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Which function is used to replace a substring in PHP?

  • replace()
  • substr_replace()
  • str_replace()
  • string_replace()
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How do you create an array in PHP?

  • array[] = {1, 2, 3};
  • array(1, 2, 3);
  • new array(1, 2, 3);
  • create_array(1, 2, 3);
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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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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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How do you get the current date and time in PHP?

  • date("Y-m-d H:i");
  • getdate();
  • current_date();
  • datetime();
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How do you decode JSON data in PHP?

  • json_decode()
  • json_unserialize()
  • decode_json()
  • unserialize_json()
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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");
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Which PHP function is used to get the length of a string?

  • strlen()
  • strlength()
  • string_length()
  • str_len()
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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 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 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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How do you check if a variable is set in PHP?

  • isset($variable);
  • var_set($variable);
  • defined($variable);
  • is_set($variable);
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Which of the following is a way to end a script execution in PHP?

  • stop();
  • break;
  • end;
  • die();
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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 create an array in PHP?

  • array[] = {1, 2, 3};
  • array(1, 2, 3);
  • new array(1, 2, 3);
  • create_array(1, 2, 3);
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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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Which function is used to remove the last element from an array in PHP?

  • pop()
  • array_pop()
  • remove_last()
  • array_remove_last()
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How do you get the file extension of a file in PHP?

  • file_ext()
  • pathinfo()
  • get_extension()
  • file_extension()
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How do you end a session in PHP?

  • session_end();
  • session_destroy();
  • end_session();
  • session_unset();
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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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What does PHP stand for?

  • Personal Home Page
  • Private Home Page
  • PHP: Hypertext Preprocessor
  • Professional Home Page
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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 function is used to read a file into an array?

  • file()
  • read_file()
  • file_read()
  • array_file()
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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 create a loop in PHP?

  • for loop
  • while loop
  • do loop
  • foreach loop
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Which of the following is the correct way to declare a PHP variable?

  • var $variable;
  • $variable;
  • declare $variable;
  • dim $variable;
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Which operator is used to concatenate two strings in PHP?

  • +
  • .
  • &
  • CONCAT
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Which operator is used to concatenate two strings in PHP?

  • +
  • .
  • &
  • CONCAT
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What is the correct way to create a function in PHP?

  • function functionName() { }
  • create functionName() { }
  • define functionName() { }
  • make functionName() { }
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