[wp-trac] [WordPress Trac] #44532: Extreme memory leak related to wp_is_stream in wp-includes/functions.php in WordPress 4.9.7

[WordPress Trac]

#44532: Extreme memory leak related to wp_is_stream in wp-includes/functions.php in
WordPress 4.9.7
------------------------------+---------------------
 Reporter:  timbowesohft      |       Owner:  pento
     Type:  defect (bug)      |      Status:  closed
 Priority:  high              |   Milestone:  4.9.8
Component:  Media             |     Version:  4.9.7
 Severity:  major             |  Resolution:  fixed
 Keywords:  has-patch commit  |     Focuses:
------------------------------+---------------------
Changes (by pento):

 * owner:  (none) => pento
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"43466" 43466]:
 {{{
 #!CommitTicketReference repository="" revision="43466"
 Streams: Return early from `wp_is_stream()` for paths that aren't streams.

 Some versions of PHP appear to have a memory leak that is occasionally
 triggered by calling `stream_get_wrappers()`. In order to avoid calling
 this, we can return early from `wp_is_stream()` when `$path` doesn't
 contain `://`.

 Props pbiron, JPry, dontstealmyfish.
 Fixes #44532.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/44532#comment:50>
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