[wp-trac] [WordPress Trac] #46149: PHPUnit 8.x support

[WordPress Trac]

#46149: PHPUnit 8.x support
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 Reporter:  SergeyBiryukov            |       Owner:  netweb
     Type:  task (blessed)            |      Status:  assigned
 Priority:  normal                    |   Milestone:  5.6
Component:  Build/Test Tools          |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by jrf):

 Before I forget to mention it: the "WP version bump" commit does not
 ''**have**'' to be included in the commits for this ticket, however, as
 the patches for this ticket require to stop ''testing'' against PHP < 7.1,
 it seemed like a logical commit to include.


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 After this ticket has been addressed, I would like to suggest follow-up
 tickets to address the following additional points in the test suite:
 * Review any `@requires` and `version_compare()`'s et al in the test suite
 to see if any of these can be removed now the requirements have changed.
 * Review any disabled tests (like commented out tests) to see if they were
 disabled due to version requirements not being met.
 * Review if the `includes/phpunit6/compat.php` file can be removed
 completely.

 Similarly, after the version bump patch has been committed, follow-up
 tickets should be opened for the following additional points:
 * Removing the random_compat library. This library is no longer needed
 when the minimum PHP requirement is PHP 7.1. (Similar to #46799 for the
 PHP < 5.6 drop)
 * Go through the `compat.php` file to see if there are other PHP polyfills
 which can be removed. (Similar to #47698 for the PHP < 5.6 drop)
 * Go through the code base to review any code using `version_compare()`,
 `function_exists()`, `defined()`, `extension_loaded()` et al to verify
 whether these kind of toggles are still needed and remove them whenever
 possible. (Similar to #48074 for the PHP < 5.6 drop)
 * Updating external PHP dependencies if an update was so far blocked by a
 minimum PHP version mismatch.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46149#comment:23>
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