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Wordpressframework~5 mins

Options API for site-wide settings in Wordpress - Cheat Sheet & Quick Revision

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beginner
What is the WordPress Options API used for?
The Options API is used to store, retrieve, and manage site-wide settings in the WordPress database. It helps plugins and themes save configuration data easily.
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beginner
Which function is used to save or update an option in WordPress?
The function update_option() saves a new option or updates an existing one in the WordPress database.
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beginner
How do you retrieve a saved option value in WordPress?
Use the function get_option('option_name') to get the value of a saved option. If the option does not exist, it returns false or a default value if provided.
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intermediate
What is the difference between add_option() and update_option()?
add_option() adds a new option only if it does not exist. update_option() adds or updates the option regardless of existence.
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intermediate
Why should you use the Options API instead of directly modifying the database?
The Options API provides a safe, standardized way to handle settings. It manages serialization, caching, and avoids direct SQL queries, reducing errors and improving performance.
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Which function retrieves a stored option value in WordPress?
Adelete_option()
Bupdate_option()
Cget_option()
Dadd_option()
What happens if you use add_option() for an option that already exists?
AIt updates the option value
BIt does nothing and returns false
CIt adds a duplicate option
DIt deletes the existing option
Which function updates an option or adds it if it does not exist?
Aupdate_option()
Bget_option()
Cadd_option()
Dregister_option()
Why is it better to use the Options API instead of direct database queries?
AIt only works for themes
BIt is slower but more complex
CIt requires manual SQL writing
DIt handles caching and serialization safely
Which of these is NOT a function in the WordPress Options API?
Aset_option_value()
Bupdate_option()
Cget_option()
Dadd_option()
Explain how you would save and retrieve a site-wide setting using the WordPress Options API.
Think about the two main functions to store and get data.
You got /4 concepts.
    Describe the benefits of using the WordPress Options API for managing site-wide settings instead of direct database queries.
    Consider what problems the API solves for developers.
    You got /5 concepts.