WordCamp Phoenix 2013 - Foundation 201 - File Structure, FTP, & MySQL

Transcript

1. WordPress File
   Structure, FTP
   & MySQL
   Friday, January 18, 13
   

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2. brad parbs
   Core contributor for 3.5
   Co-founder of Snow Day
   Created theWPclass.com
   Have plugins on WP.org
   Open Source & Startup Fanatic
   WC:MKE Organizer
   Friday, January 18, 13
   

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3. @bradparbs
   brad@parbs.me
   brrad.com
   Friday, January 18, 13
   

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4. file structure
   Friday, January 18, 13
   

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5. file structure
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6. file structure
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7. file structure
   the front end, loads up wp-blog-header.php
   Friday, January 18, 13
   

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8. file structure
   the front end, loads up wp-blog-header.php
   Friday, January 18, 13
   

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9. file structure
   the front end, loads up wp-blog-header.php
   used to activate users
   Friday, January 18, 13
   

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10. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    Friday, January 18, 13
    

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11. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    Friday, January 18, 13
    

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12. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    Friday, January 18, 13
    

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13. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    Friday, January 18, 13
    

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14. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    Friday, January 18, 13
    

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15. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    Friday, January 18, 13
    

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16. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    Friday, January 18, 13
    

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17. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Friday, January 18, 13
    

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18. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Friday, January 18, 13
    

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19. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Friday, January 18, 13
    

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20. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Friday, January 18, 13
    

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21. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Friday, January 18, 13
    

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22. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Friday, January 18, 13
    

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23. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Friday, January 18, 13
    

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24. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Friday, January 18, 13
    

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25. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Friday, January 18, 13
    

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26. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Friday, January 18, 13
    

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27. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    Friday, January 18, 13
    

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28. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    Friday, January 18, 13
    

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29. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    WordPress multisites blog creation
    Friday, January 18, 13
    

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30. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    WordPress multisites blog creation
    Friday, January 18, 13
    

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31. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    WordPress multisites blog creation
    Handles trackbacks and pings sent to site
    Friday, January 18, 13
    

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32. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    WordPress multisites blog creation
    Handles trackbacks and pings sent to site
    Friday, January 18, 13
    

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33. file structure
    the front end, loads up wp-blog-header.php
    used to activate users
    loads up wp-load.php, and loads the right template
    used to post comments, prevents duplicates
    our database credentials, some settings
    WP’s implementation of cron for some hosts
    Used to export Links, the default export doesn’t
    Loads all the other files needed for WP to run
    Handles user auth, login, registration, forgot pword
    Lets users post by email
    Includes the WP library and classes
    WordPress multisites blog creation
    Handles trackbacks and pings sent to site
    adds XML-RPC support
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34. file structure
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35. file structure
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36. file structure
    admin styles/functions
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37. file structure
    admin styles/functions
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38. file structure
    admin styles/functions
    the magic place
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39. file structure
    admin styles/functions
    the magic place
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40. file structure
    admin styles/functions
    the magic place
    functions/libraries
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41. file structure
    wp-content
    only place you should be placing files
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42. http://core.trac.wordpress.org/browser
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43. http://core.trac.wordpress.org/browser
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44. trunk = main development branch or working copy
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45. Friday, January 18, 13
    

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46. Friday, January 18, 13
    

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47. Friday, January 18, 13
    

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48. What’s in core code?
    /**
    * WordPress User Page
    *
    * Handles authentication, registering, resetting passwords, forgot password,
    * and other user handling.
    *
    * @package WordPress
    */
    /** Make sure that the WordPress bootstrap has run before continuing. */
    require( dirname(__FILE__) . '/wp-load.php' );
    // Redirect to https login if forced to use SSL
    if ( force_ssl_admin() && ! is_ssl() ) {
    ! if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
    ! ! wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
    ! ! exit();
    ! } else {
    ! ! wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
    ! ! exit();
    ! }
    }
    /**
    * Outputs the header for the login page.
    *
    * @uses do_action() Calls the 'login_head' for outputting HTML in the Log In
    *! ! header.
    * @uses apply_filters() Calls 'login_headerurl' for the top login link.
    * @uses apply_filters() Calls 'login_headertitle' for the top login title.
    * @uses apply_filters() Calls 'login_message' on the message to display in the
    *! ! header.
    * @uses $error The error global, which is checked for displaying errors.
    *
    * @param string $title Optional. WordPress Log In Page title to display in
    *! ! element.
    * @param string $message Optional. Message to display in header.
    * @param WP_Error $wp_error Optional. WordPress Error Object
    */
    function login_header($title = 'Log In', $message = '', $wp_error = '') {
    ! global $error, $interim_login, $current_site, $action;
    ! // Don't index any of these forms
    ! add_action( 'login_head', 'wp_no_robots' );
    ! if ( empty($wp_error) )
    ! ! $wp_error = new WP_Error();
    ! // Shake it!
    ! $shake_error_codes = array( 'empty_password', 'empty_email', 'invalid_email', 'invalidcombo', 'empty_username', 'invalid_username',
    'incorrect_password' );
    ! $shake_error_codes = apply_filters( 'shake_error_codes', $shake_error_codes );
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49. What’s in core code?
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    a> |
    <
    _e( 'Lost your password?' ); ?>
    
    
    
    
    
    <br/>function wp_attempt_focus(){<br/>setTimeout( function(){ try{<br/><?php if ( $user_login || $interim_login ) { ?><br/>d = document.getElementById('user_pass');<br/>d.value = '';<br/><?php } else { ?><br/>d = document.getElementById('user_login');<br/><?php if ( 'invalid_username' == $errors->get_error_code() ) { ?><br/>if( d.value != '' )<br/>d.value = '';<br/><?php<br/>}<br/>}?><br/>d.focus();<br/>d.select();<br/>} catch(e){}<br/>}, 200);<br/>}<br/><?php if ( !$error ) { ?><br/>wp_attempt_focus();<br/><?php } ?><br/>if(typeof wpOnload=='function')wpOnload();<br/>
    login_footer();
    break;
    } // end action switch
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50. What’s in core code?
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    a> |
    <
    _e( 'Lost your password?' ); ?>
    
    
    
    
    
    <br/>function wp_attempt_focus(){<br/>setTimeout( function(){ try{<br/><?php if ( $user_login || $interim_login ) { ?><br/>d = document.getElementById('user_pass');<br/>d.value = '';<br/><?php } else { ?><br/>d = document.getElementById('user_login');<br/><?php if ( 'invalid_username' == $errors->get_error_code() ) { ?><br/>if( d.value != '' )<br/>d.value = '';<br/><?php<br/>}<br/>}?><br/>d.focus();<br/>d.select();<br/>} catch(e){}<br/>}, 200);<br/>}<br/><?php if ( !$error ) { ?><br/>wp_attempt_focus();<br/><?php } ?><br/>if(typeof wpOnload=='function')wpOnload();<br/>
    login_footer();
    break;
    } // end action switch
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51. wp-config.php - all your database credentials, some settings
    Important files (things you don’t to lose)
    .htaccess - controls rewriting site URLs, if you’re having URL
    issues or some 404s, delete this and ‘Regenerate Permalinks”
    Plugins Folder - all of your plugins will live here, active or not
    Themes Folder - all of your themes (hopefully just one) will be here
    Uploads Folder - all media uploaded is stored here
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52. file structure tips
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53. file structure tips
    1. Don’t modify core. Ever.
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54. file structure tips
    1. Don’t modify core. Ever.
    2. Don’t modify core. For real.
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55. file structure tips
    1. Don’t modify core. Ever.
    2. Don’t modify core. For real.
    3. Themes go in ‘themes’
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56. file structure tips
    1. Don’t modify core. Ever.
    2. Don’t modify core. For real.
    3. Themes go in ‘themes’
    4. Plugins go in ‘plugins’
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57. file structure tips
    1. Don’t modify core. Ever.
    2. Don’t modify core. For real.
    3. Themes go in ‘themes’
    4. Plugins go in ‘plugins’
    5. Uploads go in ‘uploads’
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58. file structure tips
    1. Don’t modify core. Ever.
    2. Don’t modify core. For real.
    3. Themes go in ‘themes’
    4. Plugins go in ‘plugins’
    5. Uploads go in ‘uploads’
    6. Don’t modify core.
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59. Let’s upload!
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60. Let’s upload!
    FTP clients let you graphically
    transfer files back and forth.
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61. http://filezilla-project.org/
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62. http://www.cpanel.net/media/tutorials/ftpacct.htm
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63. Creating/resetting your FTP
    password is easy with cPanel
    http://www.cpanel.net/media/tutorials/ftpacct.htm
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64. MySQL
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65. MySQL
    Your database is powered by MySQL!
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66. SQL code is scary
    CREATE TABLE `wp_creativeawesome_users` (
    `ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
    `user_login` varchar(60) NOT NULL DEFAULT '',
    `user_pass` varchar(64) NOT NULL DEFAULT '',
    `user_nicename` varchar(50) NOT NULL DEFAULT '',
    `user_email` varchar(100) NOT NULL DEFAULT '',
    `user_url` varchar(100) NOT NULL DEFAULT '',
    `user_registered` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
    `user_activation_key` varchar(60) NOT NULL DEFAULT '',
    `user_status` int(11) NOT NULL DEFAULT '0',
    `display_name` varchar(250) NOT NULL DEFAULT '',
    PRIMARY KEY (`ID`),
    KEY `user_login_key` (`user_login`),
    KEY `user_nicename` (`user_nicename`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=2 ;
    INSERT INTO `wp_creativeawesome_users` (`ID`, `user_login`, `user_pass`, `user_nicename`, `user_email`, `user_url
    `user_registered`, `user_activation_key`, `user_status`, `display_name`) VALUES
    (1, 'brad', '$P$B7K3fZtrgrVvnyfr.hVnIStIMpF9py0', 'brad', 'brad@bradparbs.com', '', '2012-09-08 01:42:14', '', 0,
    'brad');
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67. SQL code is scary
    Don’t mess around with it!
    CREATE TABLE `wp_creativeawesome_users` (
    `ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
    `user_login` varchar(60) NOT NULL DEFAULT '',
    `user_pass` varchar(64) NOT NULL DEFAULT '',
    `user_nicename` varchar(50) NOT NULL DEFAULT '',
    `user_email` varchar(100) NOT NULL DEFAULT '',
    `user_url` varchar(100) NOT NULL DEFAULT '',
    `user_registered` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
    `user_activation_key` varchar(60) NOT NULL DEFAULT '',
    `user_status` int(11) NOT NULL DEFAULT '0',
    `display_name` varchar(250) NOT NULL DEFAULT '',
    PRIMARY KEY (`ID`),
    KEY `user_login_key` (`user_login`),
    KEY `user_nicename` (`user_nicename`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=2 ;
    INSERT INTO `wp_creativeawesome_users` (`ID`, `user_login`, `user_pass`, `user_nicename`, `user_email`, `user_url
    `user_registered`, `user_activation_key`, `user_status`, `display_name`) VALUES
    (1, 'brad', '$P$B7K3fZtrgrVvnyfr.hVnIStIMpF9py0', 'brad', 'brad@bradparbs.com', '', '2012-09-08 01:42:14', '', 0,
    'brad');
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68. The fun stuff: Theme Structure & Files
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69. http://codex.wordpress.org/Template_Hierarchy
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70. Not as scary as it looks...
    http://codex.wordpress.org/Template_Hierarchy
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71. Not as scary as it looks...
    For a static page:
    http://codex.wordpress.org/Template_Hierarchy
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72. Not as scary as it looks...
    For a static page:
    1. Checks for a custom template page
    http://codex.wordpress.org/Template_Hierarchy
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73. Not as scary as it looks...
    For a static page:
    1. Checks for a custom template page
    2. page-{slug}.php
    http://codex.wordpress.org/Template_Hierarchy
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74. Not as scary as it looks...
    For a static page:
    1. Checks for a custom template page
    2. page-{slug}.php
    3. page-{id}.php
    http://codex.wordpress.org/Template_Hierarchy
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75. Not as scary as it looks...
    For a static page:
    1. Checks for a custom template page
    2. page-{slug}.php
    3. page-{id}.php
    4. page.php
    http://codex.wordpress.org/Template_Hierarchy
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76. Not as scary as it looks...
    For a static page:
    1. Checks for a custom template page
    2. page-{slug}.php
    3. page-{id}.php
    4. page.php
    4. index.php
    http://codex.wordpress.org/Template_Hierarchy
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77. http://codex.wordpress.org/Template_Hierarchy
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78. Not as scary as it looks...
    http://codex.wordpress.org/Template_Hierarchy
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79. Not as scary as it looks...
    For category archives:
    http://codex.wordpress.org/Template_Hierarchy
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80. Not as scary as it looks...
    For category archives:
    1. category-{slug}.php
    http://codex.wordpress.org/Template_Hierarchy
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81. Not as scary as it looks...
    For category archives:
    1. category-{slug}.php
    2. category-{id}.php
    http://codex.wordpress.org/Template_Hierarchy
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82. Not as scary as it looks...
    For category archives:
    1. category-{slug}.php
    2. category-{id}.php
    3. category.php
    http://codex.wordpress.org/Template_Hierarchy
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83. Not as scary as it looks...
    For category archives:
    1. category-{slug}.php
    2. category-{id}.php
    3. category.php
    4. archive.php
    http://codex.wordpress.org/Template_Hierarchy
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84. Not as scary as it looks...
    For category archives:
    1. category-{slug}.php
    2. category-{id}.php
    3. category.php
    4. archive.php
    4. index.php
    http://codex.wordpress.org/Template_Hierarchy
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85. http://codex.wordpress.org/Template_Hierarchy
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86. Not as scary as it looks...
    http://codex.wordpress.org/Template_Hierarchy
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87. Not as scary as it looks...
    Need a custom 404?
    http://codex.wordpress.org/Template_Hierarchy
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88. Not as scary as it looks...
    Need a custom 404? 404.php
    http://codex.wordpress.org/Template_Hierarchy
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89. Not as scary as it looks...
    Need a custom 404? 404.php
    http://codex.wordpress.org/Template_Hierarchy
    Need a custom search result page?
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90. Not as scary as it looks...
    Need a custom 404? 404.php
    http://codex.wordpress.org/Template_Hierarchy
    Need a custom search result page? search.php
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91. Friday, January 18, 13
    

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92. @bradparbs
    brad@parbs.me
    internetrockstar.org
    Friday, January 18, 13
    

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