rwmb_set_meta

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rwmb_set_meta is a helper function that helps you to set meta value for an object.

To set meta value, use the following code:

rwmb_set_meta( $object_id, $field_id, $value, $args = [] );
Parameter Description
$object_id Object (post, term, user) ID. If you need to set value for an option (using MB Settings Page), object ID is the option name.
$field_id Field ID.
$value Value. Should be compatible with field value format. See database.
$args Extra arguments for some object types or storages. It works similarly in rwmb_meta function. Can be array or a string in format param1=value1&param2=value2.Optional.

Important Note

This function works only when the field is already registered. In Meta Box, fields are registered at hook init with priority 20. So, you need to run this function after that:

add_action( 'init', function() {
	rwmb_set_meta( 12, 'my_field', 'my_value' );
}, 99 );

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