[wp-trac] [WordPress Trac] #24222: No need to define $matches when using preg_match and preg_match_all

[WordPress Trac]

#24222: No need to define $matches when using preg_match and preg_match_all
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 Reporter:  kovshenin    |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  low          |  Milestone:  Awaiting Review
Component:  General      |    Version:
 Severity:  minor        |   Keywords:
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 I noticed that some of the new code in 3.6, especially around post
 formats, defines an empty `$matches` variable when using `preg_match` and
 `preg_match_all`. This is not required and we don't do it in a lot of
 other places in core.

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Ticket URL: <http://core.trac.wordpress.org/ticket/24222>
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