[wp-trac] [WordPress Trac] #64457: Early filter invalid hosts in wp_http_validate_url

[WordPress Trac]

#64457: Early filter invalid hosts in wp_http_validate_url
-------------------------+-----------------------------
 Reporter:  SirLouen     |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  low          |   Milestone:  Future Release
Component:  HTTP API     |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  needs-patch  |     Focuses:  performance
-------------------------+-----------------------------

Comment (by SirLouen):

 Replying to [comment:6 westonruter]:
 > Unless the situation has changed, I don't believe we can use
 `filter_var()`. See https://github.com/WordPress/wordpress-
 develop/blob/1bd29b14806f471f3ba1df0dc0e86b6aaae27b1e/src/wp-
 includes/functions.php#L7326-L7327

 [https://github.com/WordPress/wordpress-
 develop/pull/4076#discussion_r1107766848 Weird]

 But like `iconv`,  `filter` is recommended but not forced
 https://make.wordpress.org/hosting/handbook/server-environment/

 In this case, like we can see in other places, basically what I would do
 is a conditional `function_exists`, for those who have this, they will get
 a little performance upgrade; for those who doesn't, they will have to
 rely on `gethostbyname`

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Ticket URL: <https://core.trac.wordpress.org/ticket/64457#comment:7>
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