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You want to create a plugin that adds a custom message at the end of every post content only for logged-in users. Which approach correctly extends functionality?

hard📝 component behavior Q8 of 15
Wordpress - Plugins and Extensibility
You want to create a plugin that adds a custom message at the end of every post content only for logged-in users. Which approach correctly extends functionality?
AModify core WordPress files to add message in post template
BAdd JavaScript in footer to change content after page loads
CHook into 'the_content' filter, check if user is logged in, then append message
DCreate a new theme instead of a plugin
Step-by-Step Solution
Solution:
  1. Step 1: Identify correct hook for content modification

    'the_content' filter allows modifying post content before display.
  2. Step 2: Add conditional check for logged-in users

    Use WordPress function to check login status and append message accordingly.
  3. Step 3: Avoid modifying core or theme files

    Modifying core or theme is discouraged; plugins are best for adding features safely.
  4. Final Answer:

    Hook into 'the_content' filter, check if user is logged in, then append message -> Option C
  5. Quick Check:

    Use filters + login check for conditional content [OK]
Quick Trick: Use filters and user checks to add content safely [OK]
Common Mistakes:
  • Modifying core files directly
  • Using themes instead of plugins
  • Relying only on JavaScript for content changes

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