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Jonny Harris 4ee594761f Plugins: Store result of call to array_keys, to save repeated calls in WP_Hook class. 
In the `WP_Hook` class the function `array_keys` was called every time an array of hook priorities was needed. For sites with lots of filters or actions, this would result in thousands of calls to the `array_keys` function, which uses server resources. Instead of recomputing this array every time it is needed, only compute it when filters are added and removed, then store the result as a class property. Improve unit tests to ensure this behaviour is tested. 

Props spacedmonkey, bor0, flixos90, hellofromTonya, mukesh27.
Fixes #58458.

git-svn-id: https://develop.svn.wordpress.org/trunk@56609 602fd350-edb4-49c9-b593-d223f7449a82
2023-09-18 12:39:18 +00:00
..
data Tests: Add additional tests covering Block Hooks registration 2023-09-18 10:33:24 +00:00
includes Code Modernization: Use dirname() with the $levels parameter. 2023-09-11 04:51:09 +00:00
tests Plugins: Store result of call to array_keys, to save repeated calls in WP_Hook class. 2023-09-18 12:39:18 +00:00
multisite.xml Build/Test Tools: Update PHPUnit configuration for PHPUnit 9.5.10/8.5.21+. 2021-09-26 03:11:18 +00:00
README.txt Docs: Remove double spaces in tests/phpunit/README.txt. 2022-04-29 13:31:48 +00:00
wp-mail-real-test.php Coding Standards: Remove superfluous blank lines at the end of various files. 2023-09-07 14:57:30 +00:00

README.txt 

The short version:

1. Create a clean MySQL database and user. DO NOT USE AN EXISTING DATABASE or you will lose data, guaranteed.

2. Copy wp-tests-config-sample.php to wp-tests-config.php, edit it and include your database name/user/password.

3. $ svn up

4. Run the tests from the "trunk" directory:
   To execute a particular test:
      $ phpunit tests/phpunit/tests/test_case.php
   To execute all tests:
      $ phpunit

Notes:

Test cases live in the 'tests' subdirectory. All files in that directory will be included by default. Extend the WP_UnitTestCase class to ensure your test is run.

phpunit will initialize and install a (more or less) complete running copy of WordPress each time it is run. This makes it possible to run functional interface and module tests against a fully working database and codebase, as opposed to pure unit tests with mock objects and stubs. Pure unit tests may be used also, of course.

Changes to the test database will be rolled back as tests are finished, to ensure a clean start next time the tests are run.

phpunit is intended to run at the command line, not via a web server.