[wp-trac] [WordPress Trac] #17112: Remove default-embeds.php

[WordPress Trac]

#17112: Remove default-embeds.php
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 Reporter:  nacin        |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  3.2
Component:  Performance  |    Version:
 Severity:  normal       |   Keywords:  2nd-opinion
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 default-embeds.php is a file loaded conditionally, which triggers an extra
 sysopen call. This also goes for default-widgets.php, but that's a much
 larger file.

 On the other hand, if we move the single function,
 wp_embed_handler_googlevideo(), to wp-includes/media.php, we can improve
 some performance. I don't think we plan to add too many more default
 embeds, so this seems pretty safe.

 We can still only call wp_embed_register_handler() if the
 load_default_embeds filter returns true (found in wp_maybe_load_embeds(),
 attached to plugins_loaded).

 Only issue could be someone returning false through the filter then
 treating it as a pluggable function, stealing its name, but I doubt we'd
 see that anywhere. At worst, we could add a function_exists() check (still
 better than what we have) or simply rename the function, as embed handlers
 are identified by a unique ID, not the function name.

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Ticket URL: <http://core.trac.wordpress.org/ticket/17112>
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