[wp-trac] [WordPress Trac] #43438: Export registered user's personal data on request

[WordPress Trac]

#43438: Export registered user's personal data on request
----------------------------+------------------
 Reporter:  azaozz          |       Owner:
     Type:  enhancement     |      Status:  new
 Priority:  normal          |   Milestone:  5.0
Component:  General         |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  gdpr has-patch  |     Focuses:
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Comment (by allendav):

 Replying to [comment:12 jesperher]:
 >
 > {{{
 > src/wp-admin/includes/ajax-actions.php
 > }}}
 >
 > {{{#!php
 > $exporters = apply_filters( 'wp_privacy_personal_data_exporters',
 array() );
 > }}}
 >
 >
 > This line/filter will be called once pr callback added to it. + once for
 counting how big an index we need.
 >
 > so for each callback, we are calling all plugins and asking witch
 callbacks we need. Although the function here is asynchronous, I imagine
 it can be a heavy process. is there a way that we can only get the
 retrieved callbacks once, instead of n-times?

 I don't think the add_filter for each plugin will be heavy - it really
 just needs to add its callback and do no other processing. The callback
 isn't called when the filter is added. It is not that different from how
 custom post types are registered by every plugin on every page load

 Does that make sense?

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Ticket URL: <https://core.trac.wordpress.org/ticket/43438#comment:13>
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