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What is the purpose of the second parameter in get_option('option_name', 'default_value')?

easy📝 Conceptual Q2 of 15
Wordpress - WordPress Settings and Configuration
What is the purpose of the second parameter in get_option('option_name', 'default_value')?
AIt registers the option with the default value
BIt updates the option with the default value
CIt deletes the option if it matches the default
DIt sets the default value if the option does not exist
Step-by-Step Solution
Solution:
  1. Step 1: Understand get_option() parameters

    The first parameter is the option name, the second is the default value returned if the option is not found.
  2. Step 2: Clarify what happens with the default

    The default value is only returned, it does not update or delete the option in the database.
  3. Final Answer:

    It sets the default value if the option does not exist -> Option D
  4. Quick Check:

    Default value in get_option() = fallback return [OK]
Quick Trick: Second parameter in get_option() is fallback value [OK]
Common Mistakes:
  • Thinking default value updates the database
  • Confusing default with option registration
  • Assuming it deletes options

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