Which one of the following functions can be used to concatenate array elements to form a single delimited string?

Which of the following PHP statements will output Hello World on the screen?

i) echo (“Hello World”);

ii) print (“Hello World”);

iii) printf (“Hello World”);

iv) sprintf (“Hello World”);

Which function displays the web page’s most recent modification date?

To create an object and set the date to JUNE 22, 2013, which one of the following statement should be executed?

Which two predefined variables are used to retrieve information from forms?

Which of the following variables does PHP use to authenticate a user?

i) $_SERVER['PHP_AUTH_USER']

ii) $_SERVER['PHP_AUTH_USERS']

iii) $_SERVER['PHP_AUTH_PU']

iv) $_SERVER['PHP_AUTH_PW']

Which of the following PHP function is commonly used when handling authentication via PHP?

i) header()

ii) footer()

iii) inset()

iv) isset()

Which directive determines whether PHP scripts on the server can accept file uploads?

What is the default value of max_input_time directive?

Since which version of PHP was the directive max_file_limit available.