This adds a new function `wp_get_image_mime()` which is used by
`wp_check_filetype_and_ext()` to validate image files using
`exif_imagetype()` if available instead of `getimagesize()`.
`getimagesize()` is less performant than `exif_imagetype()` and is
dependent on GD. If `exif_imagetype()` is not available, it falls back to
`getimagesize()` as before.
If `wp_check_filetype_and_ext()` can't validate the filetype, we now return
`false` for ext/MIME values.
Merges [39831] to the 4.7 branch.
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When installing and using database-saved salts, wp_create_nonce() causes database errors as wp_salt() attempts to insert into the not-yet-created options table. Since authentication isn't available during installation, we can safely skip creating a nonce.
Props nullvariable, pento, dd32, rmccue.
Merges [39684] to the 4.7 branch.
Fixes#39047.
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SimplePie can set the Content-Type header automatically with the correct charset for convenience, but we already force the charset to match the site's, making it redundant at best. At worst, SimplePie incorrectly overrides the content-type for non-HTML content (such as API requests).
Props dlh, stevenkword, rmccue.
Merges [39681] to the 4.7 branch.
Fixes#39066.
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[38740] incorrectly introduced logic that changed a comment's page when
'comment_order' was set to 'desc'. This is in violation of the design
of the comment pagination system: a comment's page is designed not to
change when 'comment_order' or 'default_comment_page' are changed.
See #31101.
Merges [39663] to the 4.7 branch.
Props rachelbaker.
Fixes#39280.
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Also fix logic for `focus-control-for-setting` handler to focus on the first control (lowest `priority` value) associated with a given setting instead of the last control encountered when iterating over all controls, as this ensures the first control in a `nav_menu` section is focused rather than the last one.
Props westonruter, sirbrillig.
See #27403.
Merges [39622] to the 4.7 branch.
Fixes#39101.
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This addresses a major bug. Incorrectly setting the `$content_width` causes media embeds to end up with the wrong aspect ratio, among other issues. This fix uses `template_redirect`, to ensure conditional theme tags can be used. It also defines a default value at `after_theme_setup` so that plugins have something to work with at `init`.
Props sstoqnov, laurelfulford, obenland.
Merges [39635] to the 4.7 branch.
Fixes#39272.
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The logic in WP_REST_Request->sanitize_params() added in [39091] did not account for `null` or `false` being the sanitization_callback preventing overriding `rest_parse_request_arg()`. This fixes that oversight, allowing the built in sanitization function to be bypassed. See #38593.
Merges [39563] to the 4.7 branch.
Props kkoppenhaver, rachelbaker, jnylen0.
Fixes#39042.
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Introduced in [38674], the wp_update_comment_data filter took place after the $data was sliced and prepared for the database update statement. The location of the filter assumed the result of anyone applying it would not change the data type or make structural modifications or additions to the $data array. 😅
This moves the wp_update_comment_data filter to take place before the $data is sliced and prepared for the database update statement.
Merges [39640] to the 4.7 branch.
Props dshanske for initial patch.
Fixes#39380.
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The `rest_{$taxonomy}_collection_params` filter in 4.7 is incorrectly using single quotes instead of double quotes, which means it is not working correctly as a dynamic filter. This fixes the quotes around the filter name, and also updates the docblocks for the other 3 similar filters for better conformance to the documentation standards.
Merge of [39621] to the 4.7 branch.
Props shazahm1hotmailcom, JPry, jnylen0.
Fixes#39300.
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If `add_theme_support( 'post-formats' )` is called with no additional arguments, then `get_theme_support( 'post-formats' )` returns `true` rather than an array of supported formats. Avoid generating PHP warnings in this situation.
Merge of [39620] to the 4.7 branch.
Props dreamon11, ChopinBach.
Fixes#39293.
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In [38625], the functionality to search for attachments by filename was added via the `posts_clauses` filter and the `_filter_query_attachment_filenames()` function. This moves `_filter_query_attachment_filenames()` from `wp-admin/includes/post.php` to `wp-includes/post.php` so that it can be applied in the same manner in the REST API media endpoint.
Merge of [39598] to the 4.7 branch.
Props jblz, tyxla.
Fixes#39092.
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When plugins don't disable the `backupGlobals` PHPUnit option in their own tests, `$wpdb` is backed up and restored between classes of tests. The serialisation process used for this broke the database connection. This previously wasn't a problem, as it was reconnecting before each test.
[38398] introduced some changes that required the connection to be available in `setUpBeforeClass()`, earlier than in was previously reconnecting. This didn't cause warnings in Core, but it did cause warnings for plugins that don't disable the `backupGlobals` option.
The database connection now reconnects in `setUpBeforeClass()`. This change also fixes a few Core tests that weren't calling `parent::setUpBeforeClass()` or `parent::tearDown()` correctly.
Merges [39626] to the 4.7 branch.
Fixes#39327.
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John Blackbourn
Dominik Schilling
Aaron Campbell
Joe McGill
Jeremy Felt
Dion Hulse
Andrew Ozz
Boone Gorges
Rachel Baker
Ella Iseulde Van Dorpe
Gary Pendergast