Fledgling WordPress Developer? Learn PHP!

Fledgling WordPress Developer? Learn PHP! (Speaker Notes) by Peter Shackelford
Published August 15, 2014 in Programming

Many people start doing things on the web at zero. Often the thing that gets them started is WordPress. You can learn a lot from template files and doing things with existing WP functions but there comes a point where actually learning PHP will do wonders for your growth towards becoming a full fledged developer.

Transcript

1. FLEDGLING WORDPRESS DEVELOPER? LEARN PHP! CC image credit furryscalyman flickr
2. Peter Shackelford @pixelplow
5. CC image credit girlwparasol flickr My Awesome Blog
6. Themes CC image credit girlwparasol flickr
7. Plugins CC image credit megpi flickr
8. Why can’t I make it do… CC image credit justjenn flickr
9. The Loop <?php if ( have_posts() ) : ?> <?php while ( have_posts() ) : the_post(); <!-- do stuff ... --> <?php endwhile; ?> <?php endif; ?> CC image credit girlwparasol flickr
10. http://varyhelp.com/tutorial/list-of-template-hierarchy-with-example/ Template Hierarchy
11. Magic Black Box
12. Magic Black Box
13. Elementary CC image credit dynamosquito flickr
14. foreach ($colors as $color){ echo $color; } CC image credit vox flickr
15. foreach ($colors as $hair){ echo $hair; } CC image credit vox flickr
16. foreach ($colors as $alot){ echo $alot; } CC image credit vox flickr
17. CC image credit vox flickr
18. What does this mean‽ array(62) { ["page"]=> int(0) ["pagename"]=> string(13) "meet- your-rep" ["error"]=> string(0) "" ["m"]=> string(0) "" ["p"]=> int(0) ["post_parent"]=> string(0) "" ["subpost"]=> string(0) "" ["subpost_id"]=> string(0) "" ["attachment"]=> string(0) "" ["attachment_id"]=> int(0) ["name"]=> string(13) "meet- your-rep" ["static"]=> string(0) "" ["page_id"]=> int(0)… var_dump($wp_query->query_vars);
19. $args =array( key => value, key2 => value2, ); $args = array( 'post_type' => 'portfolio', 'post_status' => 'publish', ); Familiar?
20. $args =array( key => value, key2 => value2, ); $args = array( 'post_type' => 'portfolio', 'post_status' => 'publish', ); Familiar?
21. Messy elseif? Switch Case! switch ($zipcode) { case ( $zipcode >= $michigan->getZipmin() && $zipcode <= $michigan->getZipmax() ): echo "I am in Michigan!”; break; case ( $zipcode >= $ohio->getZipmin() && $zipcode <= $ohio->getZipmax() ): echo “I am in Ohio!”; break; } Check if $zipcode is in a state’s zip code range.
22. PostMethod CC image credit jason_coleman flickr if ( $_SERVER['REQUEST_METHOD'] == ‘POST'){ //do something }
24. Sales Rep Zip Code Range Data Model
25. zip code GO! Find your vendor Web UI Sales Rep Zip Code Range Data Model
26. 1. Create form field. 2. Show field if $_SERVER[‘REQUEST_METHOD' != ‘POST' 3. Validate and sanitize $zipcode 4. Pass $zipcode into function 5. Get the template part if $_SERVER[‘REQUEST_METHOD' == ‘POST' General Steps
27. Good old fashioned book learning
28. The Interwebs W3 Schools The Google
29. Functionality Plugins
30. Page Templates