WordPress Custom Theme Development: Mastering Main and Sub Queries — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

WordPress Custom Theme Development: Mastering Main and Sub Queries

Learn to build custom WordPress themes from scratch by mastering the template hierarchy and controlling content with main and sub-queries.

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About this course

Ready to move beyond pre-made templates and build truly custom WordPress websites? The key to unlocking professional WordPress development lies in mastering how the platform queries and displays your data. This text-based course guides you through the foundational concepts of custom theme design, focusing heavily on how WordPress retrieves and renders content. You will learn how to: - Understand the WordPress template hierarchy and how pages are resolved. - Master the Main Query and the Loop to display standard post and page content. - Implement custom Sub-queries using WP_Query to fetch specific content anywhere on your site. - Apply modern security practices, including data escaping and sanitization, within your templates. - Structure theme files cleanly using modern PHP standards and template parts. - Configure custom widget areas and navigation menus to give users flexible control. The course starts with essential terminology, template structures, and foundational definitions before diving into practical coding logic and query manipulation. You will read step-by-step explanations, analyze clear code snippets, and complete written exercises to solidify your understanding. This course is designed for beginners to WordPress development who have a basic understanding of HTML, CSS, and elementary PHP. No prior theme creation experience is required. Start reading today to take complete control of your WordPress layouts and content delivery.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
WordPress Custom Theme Development: Mastering Main and Sub Queries
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
WordPress Custom Theme Development: Mastering Main and Sub Queries
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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