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I'm researching what it would take to develop a custom Wordpress plugin. The plugin is a pretty small one. We just need to persist 2 fields of integer information. It's a pretty basic progress bar with current progress (int) and goal (int).

Is there a simple way of storing that amount of information in Wordpress? Is there a simple API for storing things like this in the db? Or, should I just persist by writing to a basic xml or json file on disk?

Thanks for any help.

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  • What's the relation of this information, will it be specific to a post or post type, a comment, is there some common type of data this will be associated with, or is this a one off use?
    – t31os
    Commented Apr 29, 2013 at 20:19

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The best way would be to use the built-in Options API to add info to the wp_options table.

To add the option: http://codex.wordpress.org/Function_Reference/add_option

To read the option value: http://codex.wordpress.org/Function_Reference/get_option

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Use the Options API.

add_option(    'option_name', $values );
update_option( 'option_name', $values );
get_option(    'option_name', $default_value );
delete_option( 'option_name' );

You can store non-scalar values here too, an array with two entries for example. Make sure to use a unique name for the option name, prefix everything.

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