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What is wrong with this WordPress code snippet?

medium📝 Debug Q6 of 15
Wordpress - WordPress Settings and Configuration
What is wrong with this WordPress code snippet?
update_option('header_text', 'Welcome');
update_option('header_text');
AThe first update_option call should use add_option instead.
BThe second update_option call is missing the new value parameter.
Cupdate_option cannot be used to update string values.
DThe function update_option requires three parameters.
Step-by-Step Solution
Solution:

  1. Step 1: Analyze the first call

    The first call correctly updates 'header_text' to 'Welcome'.

  2. Step 2: Analyze the second call

    The second call to update_option only passes the option name without a value, which is invalid.

  3. Final Answer:

    The second update_option call is missing the new value parameter. -> Option B

  4. Quick Check:

    update_option requires both option name and value [OK]
Quick Trick: update_option needs both option name and value [OK]
Common Mistakes:
  • Calling update_option with only the option name
  • Confusing add_option and update_option usage
  • Assuming update_option can delete options

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