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Understanding the idea of sharing your code with other developers using systems like Composer, and implementing other peoples code too.
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[MUSIC]
0:00
In this section we are going to focus on
the concept of sharing code
0:04
between multiple developers.
0:08
There are concepts such as auto loading,
name spaces, and
0:09
file structures that help make all of this
possible.
0:12
Then there are tools such as Composer
which handle dependency management.
0:15
Depending on code from other developers
means you need a way to
0:19
handle those dependencies.
0:21
Which is a bit more robust than
downloading zip files and
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copying things around.
0:25
Composer lets you do this.
0:26
So why would you want to use somebody
else's code?
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If you're doing something very common but
0:30
quite complex, like interacting with a
popular API, integrating with oAuth, or
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doing image manipulation, then you might
benefit from using an existing package.
0:36
Popular code packages exist for a lot of
these problems, and
0:41
they have been battle tested by hundreds
or thousands of other users.
0:44
They might have features that you haven't
considered yet, or
0:47
cater to edge cases that you have not yet
discovered.
0:50
And generally, they'll help you get your
job done much more quickly.
0:52
Thanks to Composer and
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Packagist, PHP has more high quality
packages than it's ever had before.
0:57
The majority of them use name spaces and
1:01
auto loading to make interacting with them
incredibly easy.
1:03
Let's look how you can use Composer to
install code from third party
1:07
developers so you can spend more time
working on something awesome.
1:10
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