The filesize() function returns the file size in ___________

Which PHP function is used to detect the type of a variable?

 Which statement is used To produce a stored function? 

  When you’re uploading files you need to set the enctype of the form to __________

What is the output of the following PHP code?

<?php

$a = "Hello";

echo $a;

$a .= "World";

echo $a;

?>

 To validate an email address, which flag is to be passed to the function filter_var()? 

Which of the looping statements is/are supported by PHP?

 i) for loop

 ii) while loop 

iii) do-while loop

 iv) foreach loop 

What will be the output of the following PHP code?

<?php

   define("GREETING1", "Hello you! How are you today?");

   define("GREETING2", "Hello you! How are you today?");

   define("GREETING3", "Hello you! How are you today?");

   echo defined("GREETING");

?>

 If you want to temporarily store uploaded files in the /tmp/phpuploads/ directory, which one of the following statement will you use?

What is the output of the following PHP code?

<?php

    $arr1 = array("red", "green");

    $arr2 = array("blue", "yellow");

    $arr3 = array_merge($arr1, $arr2);

    $arr4 = array("a", "b", "c", "d");

    $arr = array_combine($arr4, $arr3);

    print_r($a);

?>