Php

Front 1

In order to view PHP pages, what criteria must be met?

Back 1

1. The web server must be configured to run PHP pages.
2. You must upload the file into the proper directory.
3. Your page may need to be error free, or the server may need to be enabled to display errors.
4. Your pages must have the proper file extension (.php)

Front 2

In what circumstance are php pages able to be viewed?

Back 2

php pages are only able to be viewed when they are uploaded to a web server.

Front 3

Why must php pages be uploaded to a web server to be viewed?

Back 3

PHP was designed to intercept the request for a web page, and process the page first in the PHP pre-processor, and then pass the adjusted page to the Apache server.

Front 4

How is HTML or any other type of text displayed using PHP?

Back 4

by using the command print or echo.

for example, <?php print "This is how I use the print command!"; ?>

Front 5

Is raw HTML code able to go inside PHP tags?

Back 5

oooooh helllll, no! But with the print command or the echo command you can reproduce nearly any type of HTML

for example, <div align="center"><?php print"<b>This is bold</b>";?></div>

Front 6

When indicating strings, do you use single or double quotations?

Back 6

it doesn't matter, just be consistent. However, if you are using a single quotation and use a single quotation within the string an escaping \ must be used.

for example, <?php echo 'We Have a customer named O/'Malley';?>

Front 7

Give an example of a variable and define it.

Back 7

$myName = 'Ryan';

Data is stored in memory locations called "variables". In PHP, they start with a $ and can store character data called strings.

Front 8

Give an example of a string

Back 8

<?php print "Wow who knew we would have so much fun?";?>

Front 9

How do you connect a variable to a string?

Back 9

With a period.

Front 10

Define Constants

Back 10

Constants are able to store data like strings or numbers but once filled cannot be changed. Therefore, the name, constant.

for example,

define("SALES_TAX",.089);
print"The rate of sales tax is currently " . SALES_TAX;

Front 11

In order to view PHP pages, what criteria must be met?

Back 11

1. The web server must be configured to run PHP pages.
2. You must upload the file into the proper directory.
3. Your page may need to be error free, or the server may need to be enabled to display errors.
4. Your pages must have the proper file extension (.php)

Front 12

In what circumstance are php pages able to be viewed?

Back 12

php pages are only able to be viewed when they are uploaded to a web server.

Front 13

Why must php pages be uploaded to a web server to be viewed?

Back 13

PHP was designed to intercept the request for a web page, and process the page first in the PHP pre-processor, and then pass the adjusted page to the Apache server.

Front 14

How is HTML or any other type of text displayed using PHP?

Back 14

by using the command print or echo.

for example, <?php print "This is how I use the print command!"; ?>

Front 15

Is raw HTML code able to go inside PHP tags?

Back 15

oooooh helllll, no! But with the print command or the echo command you can reproduce nearly any type of HTML

for example, <div align="center"><?php print"<b>This is bold</b>";?></div>

Front 16

When indicating strings, do you use single or double quotations?

Back 16

it doesn't matter, just be consistent. However, if you are using a single quotation and use a single quotation within the string an escaping \ must be used.

for example, <?php echo 'We Have a customer named O/'Malley';?>

Front 17

Give an example of a variable and define it.

Back 17

$myName = 'Ryan';

Data is stored in memory locations called "variables". In PHP, they start with a $ and can store character data called strings.

Front 18

Give an example of a string

Back 18

<?php print "Wow who knew we would have so much fun?";?>

Front 19

How do you connect a variable to a string?

Back 19

With a period.

Front 20

where is the M protein found in S. pyogenes?

Back 20

in the peptidoglycan layer

Front 21

Define String

Back 21

String data indicates a sequence of characters that has meaning for the user, but not the program. Placed in single or double quotes.

Front 22

Does PHP require numerical types to be declared? What type of language is PHP said to be because of this?

Back 22

No; because PHP doesn't require numerical declarations, it is said to be a "loosely typed" language.

Front 23

How does one connect a variable to a string and what is that thing called?

Back 23

A variable is connected to a string with a period which is an operator.

Front 24

What direction should programming code be read?

Back 24

Right to left.

Front 25

Why is the equal sign significant?

Back 25

It is the assignment operator and functions counter-intuitively. For example, $myTotal = 1 + 2; is expressing that the total value 3 is being assigned to the variable myTotal.

Front 26

How are two variables compared?

Back 26

the comparison operator (==)

Front 27

How would one add one to a variable using compound operators?

Back 27

using the += operator

for example, $myTotal = $myTotal + 1; is the same as the following:

$myTotal += 1;

since we're adding one to the total you can take it one step further:

$myTotal++;

Front 28

What's an example of another common compound operator?

Back 28

$myHTML .= "<strong>Here's some more HTML for you!</b>"; the .= operator is connecting more string data to an existing string inside a variable.