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PHP Exam Questions And Correct Answers
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PHP Exam Questions And Correct AnswersWhat does php stand for? - ANSWER PHP: Hypertext Preprocessor
is PHP server side or client side scripting language? - ANSWER server side
how are php files returned to the browser? - ANSWER PHP files are returned to the
browser as plain HTML
how is a php started and ended? - ANSWER A PHP scripting block always starts with
<?php and ends with ?>
Where in the document can a PHP script be placed? - ANSWER anywhere
How must every line of php code end? - ANSWER with a semi colon
What is the function of the semi colon? - ANSWER it is a separator and used to
distinguish one set of instructions from another
Two very basic statements to output text with PHP are: - ANSWER echo and print
what would happen if the file has HTML extension rather than PHP? - ANSWER the php
code would not be run
how is a one line comment made in php? - ANSWER With //
how is a comment block done? - ANSWER /* */
, What are variables used for? - ANSWER Variables are used to hold values such as
numbers, strings or function results, so they can be used numerous times in a script.
what do all variables start with? - ANSWER In PHP, all variables start with a $ sign
symbol.
The correct way of setting a variable in PHP: - ANSWER $var_name = value;
is PHP strongly or loosely typed? - ANSWER loosely
In PHP, must a variable be declared created before it is set? ANSWER no - PHP creates
the variable for you and sets it to the correct type.
What is meant by the term strongly typed? ANSWER variables must be defined before
they can be used
In PHP how must a variable name start? ANSWER A variable name must start with a
letter or an underscore _
What types of characters can a variable name include? - ANSWER A variable name can
only include alpha-numeric characters and underscores (a-z, A-Z, 0-9, and _ )
should a variable name include spaces? - ANSWER no
if a variable name is more than one word how should it be formatted? - ANSWER with an
underscore between words or with the second word capitalized
String variables are used for what purpose? - ANSWER To store and manipulate, a piece
of text.
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