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Practice PHP Number Variables

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Introducing the Practice

2:33 with Alena Holligan

Let's practice some PHP Number Variables to solidify your growing knowledge and make it stick.

It's okay to make multiple attempts before coming to a solution. That struggle to remember what you've learned , and apply it to the situation, is what causes the knowledge to take root.

Course: PHP Basics (Stage 2) Unit Converter


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    [MUSIC] 0:00
    Hey, everyone, Alena here. 0:04
    Practice is vital to becoming a proficient developer. 0:07
    It solidifies what you've learned, causing it to stick in your memory. 0:10
    With deliberate practice, it becomes quicker and 0:14
    easier to solve the challenges you'll face everyday. 0:17
    So let's practice some PHP. 0:21
    This session covers creating number variables and 0:24
    applying some mathematical operations. 0:26
    This practice session is intended to follow the second stage 0:29
    of the PHP basic course. 0:33
    If you haven't taken that course already or 0:35
    find this practice session to difficult. 0:37
    Then review stage two of the PHP basics course first. 0:40
    Check the notes associated with this video for additional links and resources. 0:45
    Let's review the challenge. 0:50
    There are seven step to completing this challenge. 0:52
    The file includes the comment for each step. 0:55
    Add your code below each comment. 0:58
    Step one. 1:01
    Create a variable named Ours and set it to the integer value of 40. 1:03
    Step two. 1:08
    Create a variable named Productivity and set it to the float value of 10.5. 1:10
    Step three, create a third variable named first total and 1:17
    then set it equal to the value of multiplying hours by productivity. 1:21
    Step four, add 1 to the Ours variable. 1:27
    Step five, subtract 0.5 from the productivity variable. 1:32
    Step six, create a third variable named secondTotal and 1:38
    set it equal to the new value of multiplying hours by productivity. 1:42
    Step seven, replace the comments to add firstTotal and 1:47
    secondTotal to the following output. 1:52
    At any point to test out what you've done, 1:55
    go to View, Show Console and type php index.php. 2:00
    It's okay to make multiple attempts before coming to a solution. 2:11
    That struggle to remember what you've learned and 2:15
    apply it to the situation is what causes the knowledge to take root. 2:18
    If you do get stuck, 2:22
    I've included additional resources in the notes associated with this video. 2:24
    Go ahead and give it a try. 2:28
    And I'll show you my solution in the next video. 2:30

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