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Revisions: add a new filter for revisions to keep by post type.

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Add a new `wp_{$post_type}_revisions_to_keep` filter that makes it convenient to filter the number of revisions created for a specific post type.

Overrides both the value of WP_POST_REVISIONS and the `wp_revisions_to_keep` filter.

Props dlh.
Fixes #51550.



git-svn-id: https://develop.svn.wordpress.org/trunk@50949 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Adam Silverstein 2021-05-21 15:28:39 +00:00
parent b7c75ec920
commit 62327715a0
2 changed files with 77 additions and 1 deletions
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19
src/wp-includes/revision.php
View File

@ -564,7 +564,24 @@ function wp_revisions_to_keep( $post ) {
* @param int $num Number of revisions to store.
* @param WP_Post $post Post object.
*/
return (int) apply_filters( 'wp_revisions_to_keep', $num, $post );
$num = apply_filters( 'wp_revisions_to_keep', $num, $post );
/**
* Filters the number of revisions to save for the given post by its post type.
*
* Overrides both the value of WP_POST_REVISIONS and the {@see 'wp_revisions_to_keep'} filter.
*
* The dynamic portion of the hook name, `$post->post_type`, refers to
* the post type slug.
*
* @since 5.8.0
*
* @param int $num Number of revisions to store.
* @param WP_Post $post Post object.
*/
$num = apply_filters( "wp_{$post->post_type}_revisions_to_keep", $num, $post );
return (int) $num;
}
/**

59
tests/phpunit/tests/post/revisions.php
View File

@ -576,4 +576,63 @@ class Tests_Post_Revisions extends WP_UnitTestCase {
$this->assertSame( $revision_ids, array_values( wp_list_pluck( $revisions, 'ID' ) ) );
}
/*
* @ticket 51550
*/
public function test_wp_revisions_to_keep_filter() {
$post = self::factory()->post->create_and_get(
array(
'post_title' => 'some-post',
'post_type' => 'post',
'post_content' => 'some_content',
)
);
$default = wp_revisions_to_keep( $post );
$expected = $default + 1;
add_filter(
'wp_revisions_to_keep',
function () use ( $expected ) {
return $expected;
}
);
$this->assertSame( $expected, wp_revisions_to_keep( $post ) );
}
/*
* @ticket 51550
*/
public function test_wp_post_type_revisions_to_keep_filter() {
$post = self::factory()->post->create_and_get(
array(
'post_title' => 'some-post',
'post_type' => 'post',
'post_content' => 'some_content',
)
);
$default = wp_revisions_to_keep( $post );
$generic = $default + 1;
add_filter(
'wp_revisions_to_keep',
function () use ( $generic ) {
return $generic;
}
);
$this->assertSame( $generic, wp_revisions_to_keep( $post ) );
$expected = $generic + 1;
add_filter(
"wp_{$post->post_type}_revisions_to_keep",
function () use ( $expected ) {
return $expected;
}
);
$this->assertSame( $expected, wp_revisions_to_keep( $post ) );
}
}