PHP Basics IICBIS 4210

Quiz 2

• This quiz is on D2L. Please take it quickly. When you are finished, bring up your composition book to be checked off today.

Helix

1. How do you login?

2. How do you make a new project and repository?

3. How do you push your code to the repository?

4. How do you turn in your code?

PHP Arithmetic Operators

PHP Math Functions

• https://www.w3schools.com/Php/php_ref_math.asp

PHP Assignment Operators

PHP Comparison Operators

PHP String Operators

PHP Logical Operators

Get the Length of a String

Count the Number of Words in a String

Reverse a String

Replace Text Within a String

Manipulating Strings

// use this to count the number of characters

strlen($variable)

// use this to trim any spaces off front or back of input

trim($variable)

if (strlen(trim($_POST[‘zipcode’])) != 5) {

echo “Please enter a zip code that is 5 digits long”;

}

Changing Case

//upper case the first letter of each word

ucwords($var1)

//lower case the whole word

strtolower($var1)

All the Functions

• https://www.w3schools.com/Php/php_ref_string.asp

Inclass• Write a PHP program that computes the total cost of this restaurant meal:

two hamburgers @ $4.95 eachone chocolate milkshake @ $1.95one litter of cola @ .85

• Sales tax is 7.5%

• You left a pre-tax tip of 16%

Now format this as a bill.

• For each item, print the price, quantity and total costs.

• Print the pre-tax food and drink total, the post-tax total, and the total with tax and tip.