Download E-books Building Web Apps with WordPress PDF

By Brian Messenlehner, Jason Coleman

WordPress is far greater than a running a blog platform. As this functional consultant sincerely demonstrates, you should use WordPress to construct net apps of any type—not mere content material websites, yet full-blown apps for particular initiatives. when you've got Hypertext Preprocessor adventure with a smattering of HTML, CSS, and JavaScript, you’ll how you can use WordPress plugins and topics to strengthen quickly, scalable, and safe internet apps, local cellular apps, net providers, or even a community of a number of WordPress sites.

The authors use examples from their lately published SchoolPress app to provide an explanation for innovations and methods during the ebook. All code examples can be found on GitHub.

  • Compare WordPress with conventional app improvement frameworks
  • Use topics for perspectives, and plugins for backend functionality
  • Get feedback for selecting WordPress plugins—or construct your own
  • Manage consumer bills and roles, and entry consumer data
  • Build asynchronous behaviors on your app with jQuery
  • Develop local apps for iOS and Android, utilizing wrappers
  • Incorporate personal home page libraries, exterior APIs, and internet provider plugins
  • Collect funds via ecommerce and club plugins
  • Use thoughts to hurry up and scale your WordPress app

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Specifically, we wish to have the ability to write $student = new Stu dent($user_ID); to get a Student/User through identity. The getAssignments() process makes use of the get_posts() functionality to get all posts of kind “assignment” which are authored through the person linked to this scholar. We shop the array of task posts within the $data estate, that is outlined within the WP_User type and shops the entire base person information and metadata. this enables us to exploit code like $student->assignments to get the assignments later. mostly if $student->assignments is an outlined estate of $student, the worth of that estate could be back. but when there is not any “assignments” estate, personal home page will ship “assignments” because the $key parameter in your __get strategy. the following we payment that $key == "assignments" after which go back the worth of the getAssignments() process outlined later. If $key is whatever except "assignments” we cross it to the __get() approach to the mother or father WP_User classification, which tests for the worth within the $data estate of the category example or failing that sends the foremost to the get_user_meta() functionality. initially blush, all this does is let you kind $student->assignments rather than $student->getAssignments(), which i assume is correct. even though, coding issues this fashion permits us to cache the assignments within the $data estate of the article so we don’t need to question for it back if it’s accessed greater than as soon as. it's going to additionally make your code Extending the WP_User category | 167 more in step with different WordPress code: if you'd like the student’s e mail, it’s $student->user_email; if you'd like student’s first_name, it’s $student->first_name; if you'd like the student’s assignments, it’s $student->assignments. the individual utilizing the code doesn’t need to recognize that certainly one of them is saved within the wp_users desk, one is saved in wp_usermeta, and one is the results of a publish question. including Registration and Profile Fields It’s quite common to wish so as to add extra profile fields for clients on your app. within the prior part, we mentioned how one can use the wp_update_user() and up date_user_meta() features to regulate these values. during this part, we’ll move over the way to upload editable fields for our consumer meta to the registration and profile pages. In our SchoolPress app, we have to catch a few information approximately our clients. for college students, we wish to seize their commencement yr, significant, minor, and advisor’s identify. For academics, we wish to trap their division and place of work place. For either different types of clients, we wish to trap their gender, age, and make contact with quantity. There are a number of assorted plugins in the market to help you do that extra fast. for instance, when you set up the PMPro sign in Helper plugin,5 you should use the the code in instance 6-1 so as to add those fields to the registration and profile pages. instance 6-1. Registering extra fields for clients array( '' => 'Choose One', 'male' => 'Male', 'female' => 'Female' ), 'profile' => precise, 'required' => real ) ); $fields[] = new PMProRH_Field( 'age', 'text', five.

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