[wp-trac] [WordPress Trac] #14671: Deprecate the "accepted args" argument in add_filter() and add_action()

[WordPress Trac]

#14671: Deprecate the "accepted args" argument in add_filter() and add_action()
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 Reporter:  markjaquith  |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  Plugins      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |
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Comment (by westonruter):

 Replying to [comment:36 alex-ye]:
 > mmm, If I am not miss anything but is this will broke such examples?!
 >
 >
 > {{{
 > // esc_url only need the first arg.
 > add_filter( 'post_link', 'esc_url' );
 >
 > apply_filters( 'post_link', $url, $post_id );
 >
 > function esc_url( $url, $protocols, $_context ){
 > // function code.
 > }
 > }}}

 No, it will not break. See the code in the patch checks to see how many
 arguments that the `esc_url` function accepts via the Reflection API, and
 it will pass in as many arguments from the `apply_filters` call as the
 supplied filter function accepts.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14671#comment:37>
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