5 principles you can apply *right now* to make your code better. The principles apply to most languages, the implementation is PHP specific.

1. 5 Ways to Awesome-ize
Your (PHP) Code
Jeremy Kendall
Thursday, November 7, 13

2. Thursday, November 7, 13

3. I love to code
Thursday, November 7, 13

4. I love to code
I’m terribly forgetful
Thursday, November 7, 13

5. I love to code
I’m terribly forgetful
I take pictures
Thursday, November 7, 13

6. I love to code
I’m terribly forgetful
I take pictures
I work at OpenSky
Thursday, November 7, 13

7. What Are These 5 Ways of
Which You Speak?
Thursday, November 7, 13

8. Use Version Control
Thursday, November 7, 13

9. Use Version Control
‣
Thursday, November 7, 13
If you aren’t using version control, use git

10. Use Version Control
‣
If you aren’t using version control, use git
Install git
Thursday, November 7, 13

11. Use Version Control
‣
If you aren’t using version control, use git
Install git
cd /path/to/project
Thursday, November 7, 13

12. Use Version Control
‣
If you aren’t using version control, use git
Install git
cd /path/to/project
git init
Thursday, November 7, 13

13. Use Version Control
‣
If you aren’t using version control, use git
Install git
cd /path/to/project
git init
git add .
Thursday, November 7, 13

14. Use Version Control
‣
If you aren’t using version control, use git
Install git
cd /path/to/project
git init
git add .
git commit -m “Just saved the company”
Thursday, November 7, 13

15. Use Version Control
‣
If you aren’t using version control, use git
Install git
cd /path/to/project
git init
git add .
git commit -m “Just saved the company”
‣
Thursday, November 7, 13
Interactive tutorial at http://try.github.io

16. or Else . . .
Thursday, November 7, 13

17. Error Reporting: Turn it Up!
Thursday, November 7, 13

18. Error Reporting: Turn it Up!
‣
Thursday, November 7, 13
Turn error reporting all the way up in dev

19. Error Reporting: Turn it Up!
‣
Helps find existing problems
‣
Turn error reporting all the way up in dev
Thursday, November 7, 13

20. Error Reporting: Turn it Up!
‣
Helps find existing problems
‣
Helps head off future pain
‣
Turn error reporting all the way up in dev
Thursday, November 7, 13

21. Error Reporting: Turn it Up!
‣
Helps find existing problems
‣
Helps head off future pain
‣
Don’t say it’s just an E_NOTICE . . .
‣
Turn error reporting all the way up in dev
Thursday, November 7, 13

22. Error Reporting: Turn it Up!
‣
Helps find existing problems
‣
Helps head off future pain
‣
Don’t say it’s just an E_NOTICE . . .
‣
Turn error reporting all the way up in dev
Thursday, November 7, 13

23. Error Reporting: Dev
display_errors = On
display_startup_errors = On
error_reporting = -1
log_errors = On
Thursday, November 7, 13

24. Error Reporting: Prod
display_errors = Off
display_startup_errors = Off
error_reporting = E_ALL
log_errors = On
Thursday, November 7, 13

25. Ditch NIH
Thursday, November 7, 13

26. Ditch NIH
‣
Thursday, November 7, 13
If you write it all yourself . . .

27. Ditch NIH
‣
. . . you maintain it all yourself
‣
If you write it all yourself . . .
Thursday, November 7, 13

28. Ditch NIH
‣
. . . you maintain it all yourself
‣
Eventually you have very little time for either . . .
‣
If you write it all yourself . . .
Thursday, November 7, 13

29. Real, Actual Work
Thursday, November 7, 13

30. Real, Actual Work
Thursday, November 7, 13

31. A Life
Thursday, November 7, 13

32. Ditch NIH
Thursday, November 7, 13

33. Ditch NIH
‣
Thursday, November 7, 13
Offload work to the open source community

34. Ditch NIH
‣
Install Composer (http://getcomposer.org)
‣
Offload work to the open source community
Thursday, November 7, 13

35. Ditch NIH
‣
Install Composer (http://getcomposer.org)
‣
Search Packagist (http://packagist.org)
‣
Offload work to the open source community
Thursday, November 7, 13

36. Ditch NIH
‣
Install Composer (http://getcomposer.org)
‣
Search Packagist (http://packagist.org)
‣
Add dependency to composer.json
‣
Offload work to the open source community
Thursday, November 7, 13

37. Ditch NIH
‣
Install Composer (http://getcomposer.org)
‣
Search Packagist (http://packagist.org)
‣
Add dependency to composer.json
‣
Run composer install or composer update
‣
Offload work to the open source community
Thursday, November 7, 13

38. Ditch NIH
‣
Install Composer (http://getcomposer.org)
‣
Search Packagist (http://packagist.org)
‣
Add dependency to composer.json
‣
Run composer install or composer update
‣
Everyone needs logging. Go install monolog.
‣
Offload work to the open source community
Thursday, November 7, 13

39. DRY Up Your DB
Thursday, November 7, 13

40. DRY Up Your DB
‣
Thursday, November 7, 13
If you’re not using PDO, switch now.

41. DRY Up Your DB
‣
If you’re not using prepared statements, switch now.
‣
If you’re not using PDO, switch now.
Thursday, November 7, 13

42. DRY Up Your DB
‣
If you’re not using prepared statements, switch now.
‣
Replace connections and queries one at a time
‣
If you’re not using PDO, switch now.
Thursday, November 7, 13

43. DRY Up Your DB
‣
If you’re not using prepared statements, switch now.
‣
Replace connections and queries one at a time
‣
(or one group at a time)
‣
If you’re not using PDO, switch now.
Thursday, November 7, 13

44. DRY Up Your DB
‣
If you’re not using prepared statements, switch now.
‣
Replace connections and queries one at a time
‣
(or one group at a time)
‣
Combine with simple data access objects
‣
If you’re not using PDO, switch now.
Thursday, November 7, 13

45. DRY Up Your DB
class UserDao
{
protected $db;
public function __construct(PDO $db)
{
$this->db = $db;
}
public function find($id)
{
$sql = 'SELECT * FROM users WHERE id = :id';
$stmt = $this->db->prepare($sql);
$stmt->bindValue(':id', $id);
$stmt->execute();
return $stmt->fetch();
}
}
Thursday, November 7, 13

46. DRY Up Your DB
class UserDao
{
protected $db;
public function __construct(PDO $db)
{
$this->db = $db;
}
public function find($id)
{
$sql = 'SELECT * FROM users WHERE id = :id';
$stmt = $this->db->prepare($sql);
$stmt->bindValue(':id', $id);
$stmt->execute();
return $stmt->fetch();
}
}
Thursday, November 7, 13

47. DRY Up Your DB
class UserDao
{
protected $db;
public function __construct(PDO $db)
{
$this->db = $db;
}
public function find($id)
{
$sql = 'SELECT * FROM users WHERE id = :id';
$stmt = $this->db->prepare($sql);
$stmt->bindValue(':id', $id);
$stmt->execute();
return $stmt->fetch();
}
}
Thursday, November 7, 13

48. DRY Up Your DB
class UserDao
{
protected $db;
public function __construct(PDO $db)
{
$this->db = $db;
}
public function find($id)
{
$sql = 'SELECT * FROM users WHERE id = :id';
$stmt = $this->db->prepare($sql);
$stmt->bindValue(':id', $id);
$stmt->execute();
return $stmt->fetch();
}
}
Thursday, November 7, 13

49. DRY Up Your DB
class UserDao
{
protected $db;
public function __construct(PDO $db)
{
$this->db = $db;
}
public function find($id)
{
$sql = 'SELECT * FROM users WHERE id = :id';
$stmt = $this->db->prepare($sql);
$stmt->bindValue(':id', $id);
$stmt->execute();
return $stmt->fetch();
}
}
Thursday, November 7, 13

50. Or Just Pick Something
from Packagist
Thursday, November 7, 13

51. Start Writing Beautiful Code
Thursday, November 7, 13

52. Start Writing Beautiful Code
‣
Thursday, November 7, 13
It’s time for a coding standard!

53. Start Writing Beautiful Code
‣
Makes life so much easier
‣
It’s time for a coding standard!
Thursday, November 7, 13

54. Start Writing Beautiful Code
‣
Makes life so much easier
‣
Pick someone else’s
‣
It’s time for a coding standard!
Thursday, November 7, 13

55. Start Writing Beautiful Code
‣
Makes life so much easier
‣
Pick someone else’s
‣
Use automated tools to enforce
‣
It’s time for a coding standard!
Thursday, November 7, 13

56. Start Writing Beautiful Code
‣
Makes life so much easier
‣
Pick someone else’s
‣
Use automated tools to enforce
‣
php-cs-fixer
‣
It’s time for a coding standard!
Thursday, November 7, 13

57. Start Writing Beautiful Code
‣
Makes life so much easier
‣
Pick someone else’s
‣
Use automated tools to enforce
‣
php-cs-fixer
‣
PHP_CodeSniffer
‣
It’s time for a coding standard!
Thursday, November 7, 13

58. Start Writing Beautiful Code
‣
Makes life so much easier
‣
Pick someone else’s
‣
Use automated tools to enforce
‣
php-cs-fixer
‣
PHP_CodeSniffer
‣
Refactor bit-by-bit
‣
It’s time for a coding standard!
Thursday, November 7, 13

59. Bonus!
Thursday, November 7, 13

60. PHP: The Right Way
Thursday, November 7, 13

61. PHP: The Right Way
‣
Thursday, November 7, 13
Go to http://www.phptherightway.com/

62. PHP: The Right Way
‣
Start reading
‣
Go to http://www.phptherightway.com/
Thursday, November 7, 13

63. PHP: The Right Way
‣
Start reading
‣
Don’t stop reading
‣
Go to http://www.phptherightway.com/
Thursday, November 7, 13

64. PHP: The Right Way
‣
Start reading
‣
Don’t stop reading
‣
Do it “The Right Way” for 6 months
‣
Go to http://www.phptherightway.com/
Thursday, November 7, 13

65. PHP: The Right Way
‣
Start reading
‣
Don’t stop reading
‣
Do it “The Right Way” for 6 months
‣
Then pick and choose
‣
Go to http://www.phptherightway.com/
Thursday, November 7, 13

66. Thanks!
jeremy@jeremykendall.net
http://about.me/jeremykendall
@jeremykendall
http://365.jeremykendall.net
Thursday, November 7, 13