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PHP files have a default file extension of...

  • .html
  • .xml
  • .php
  • .js
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Which of the following is a superglobal in PHP?

  • $_POST
  • $GLOBALS
  • $_SESSION
  • All of the above
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Which of the following is the correct way to create a class in PHP?

  • class MyClass { }
  • create class MyClass { }
  • define class MyClass { }
  • class: MyClass { }
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What is the correct way to include a file only once in PHP?

  • include_once "file.php";
  • include "file.php";
  • require_once "file.php";
  • require "file.php";
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How do you define a constant in PHP?

  • define("CONSTANT", "value");
  • constant("CONSTANT", "value");
  • const CONSTANT = "value";
  • define: CONSTANT = "value";
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How do you get the last element of an array in PHP?

  • end($array)
  • last($array)
  • array_end($array)
  • get_last($array)
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Which of the following is used to get information about a variable in PHP?

  • var_dump()
  • var_info()
  • var_detail()
  • var_get()
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What does PHP stand for?

  • PHP: Hypertext Preprocessor
  • Personal Home Page
  • Private Home Page
  • Personal Hypertext Processor
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How do you redirect to another page in PHP?

  • header("Location: page.php");
  • redirect("page.php");
  • move("page.php");
  • location("page.php");
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Which of the following is used to start an output buffer in PHP?

  • ob_start()
  • buffer_start()
  • start_ob()
  • output_start()
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What will strtolower("HELLO"); return?

  • hello
  • HELLO
  • Hello
  • hElLo
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How do you create a cookie in PHP?

  • setcookie("name", "value", time()+3600)
  • createcookie("name", "value", 3600)
  • makecookie("name", "value", 3600)
  • cookie("name", "value", time()+3600)
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What is the correct way to create an array in PHP?

  • $array = array("value1", "value2");
  • $array = ("value1", "value2");
  • $array = ["value1", "value2"];
  • $array = {value1, value2};
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How do you find the position of the first occurrence of a substring in a string in PHP?

  • strpos()
  • find()
  • search()
  • locate()
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How do you convert a string to lowercase in PHP?

  • strtolower($string)
  • lower($string)
  • to_lower($string)
  • string_to_lower($string)
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Which of the following is the correct way to end a PHP statement?

  • ;
  • .
  • :
  • #
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Which of the following is used to generate a random number in PHP?

  • rand()
  • random()
  • generate_rand()
  • rand_number()
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How do you write to a file in PHP?

  • fwrite($file, $data);
  • write($file, $data);
  • file_write($file, $data);
  • write_file($file, $data);
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What does MVC stand for in PHP frameworks?

  • Model View Controller
  • Module View Controller
  • Model View Component
  • Module View Component
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How do you get the current timestamp in PHP?

  • time()
  • timestamp()
  • current_time()
  • now()
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What will strpos("Hello world", "world"); return?

  • 5
  • 6
  • 7
  • 8
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How do you define a constructor in a PHP class?

  • function __construct() { }
  • function construct() { }
  • function __construct() { }
  • function: construct() { }
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Which of the following is a PHP variable?

  • $var
  • var
  • @var
  • #var
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Which of the following is a correct way to open a file in read mode in PHP?

  • fopen("file.txt", "r");
  • fopen("file.txt", "read");
  • open("file.txt", "r");
  • open("file.txt", "read");
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How do you remove all leading and trailing whitespace in PHP?

  • trim($string)
  • strip($string)
  • clean($string)
  • whitespace_remove($string)
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Which of the following is the correct way to create a function in PHP?

  • function myFunction() { }
  • create myFunction() { }
  • define myFunction() { }
  • function() { }
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How do you send an email in PHP?

  • mail()
  • sendmail()
  • email_send()
  • smtp_send()
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Which of the following is the right way to get the length of a string in PHP?

  • strlen($string)
  • length($string)
  • size($string)
  • strlength($string)
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How do you append to a file in PHP?

  • fopen("file.txt", "a");
  • open("file.txt", "a");
  • append("file.txt", "a");
  • file_append("file.txt", "a");
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How do you destroy a session in PHP?

  • session_destroy()
  • destroy_session()
  • session_end()
  • end_session()
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