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Practice PHP String Manipulation

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2:12 with Alena Holligan

Now that you've coded your solution to the practice problem, I'll show you how I did it. Remember, there are almost always more than one way to solve a problem.

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    How did it go, were you able to complete the challenge? 0:00
    If no, no worries you can watch my solution compared to what you wrote and 0:03
    then try the challenge again. 0:08
    In step one we were asked to create a variable named programmer and 0:11
    set it's value equal to Ada Lovelace, we start with the dollar sign. 0:15
    Programmer equals and then within quotes, Ada Lovelace. 0:19
    Step two we were to create another variable named year, and 0:25
    set its value equal to 1843. 0:29
    Dollar sign year equals 1843. 0:34
    Because this is an integer and we're going to use it as a string. 0:38
    It doesn't really matter if we use quotes or not quotes. 0:43
    Either one would work. 0:47
    PHP will change your variables to best match the situation. 0:50
    Step 3, replace programmer in the message string with the variable programmer. 0:55
    And replace year in the message string with the variable year. 1:00
    Because our message string was within single quotes, 1:05
    if we added the programmer variable, directly within the string, 1:09
    it would just give us $programmer. 1:14
    Instead, before programmer, I close the string, and 1:18
    use the string concatenation character, period. 1:22
    I then put programmer, followed again by another period. 1:27
    And this time, I changed the last part of our message to double quotes. 1:32
    When a variable is used within a string that has double quotes, 1:38
    the value of that variable is used. 1:43
    Step four is to display the message string to the screen. 1:46
    In this case, we used echo message. 1:50
    If your solution was different than mine, that's great. 1:54
    Seldom is there only one solution. 1:57
    If you see something interesting in my code, 2:00
    you should try implementing it in your own program. 2:02
    Keep practicing so you can master these new skills. 2:06
    Until next time, happy coding. 2:09

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