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What happens when a plugin hooks into 'init' action in WordPress?

medium📝 component behavior Q5 of 15
Wordpress - Plugins and Extensibility
What happens when a plugin hooks into 'init' action in WordPress?
AThe plugin code runs after the page is fully loaded in browser
BThe plugin code runs early during WordPress initialization
CThe plugin code runs only when admin logs in
DThe plugin code never runs
Step-by-Step Solution
Solution:

  1. Step 1: Understand the 'init' action timing

    'init' runs early in WordPress loading process before content output.

  2. Step 2: Confirm plugin hook behavior

    Hooking into 'init' runs plugin code during initialization, not after page load or only admin login.

  3. Final Answer:

    The plugin code runs early during WordPress initialization -> Option B

  4. Quick Check:

    'init' action = early plugin run [OK]
Quick Trick: 'init' runs plugin code early in WordPress load [OK]
Common Mistakes:
  • Thinking 'init' runs after page load
  • Assuming it runs only for admin
  • Believing it never runs

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