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wp-includes
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Nama File / Folder
Size
Action
ID3
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NONE
IXR
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NONE
PHPMailer
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NONE
Requests
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NONE
SimplePie
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NONE
Text
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NONE
assets
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NONE
block-patterns
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NONE
block-supports
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NONE
blocks
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NONE
certificates
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NONE
css
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NONE
customize
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NONE
fonts
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NONE
images
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NONE
js
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NONE
php-compat
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NONE
pomo
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NONE
random_compat
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NONE
rest-api
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sitemaps
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sodium_compat
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theme-compat
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widgets
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admin-bar.php
32.69KB
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atomlib.php
11.668KB
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author-template.php
16.631KB
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block-editor.php
18.371KB
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block-i18n.json
0.309KB
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block-patterns.php
4.191KB
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block-template-utils.php
29.572KB
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block-template.php
10.521KB
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blocks.php
42.222KB
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bookmark-template.php
12.598KB
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bookmark.php
14.973KB
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cache-compat.php
1.021KB
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cache.php
9.29KB
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canonical.php
32.31KB
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capabilities.php
34.884KB
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category-template.php
54.396KB
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category.php
12.414KB
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class-IXR.php
2.483KB
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class-feed.php
0.517KB
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class-http.php
0.364KB
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class-json.php
42.423KB
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class-oembed.php
0.397KB
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class-phpass.php
6.542KB
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class-phpmailer.php
0.648KB
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class-pop3.php
20.349KB
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class-requests.php
29.718KB
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class-simplepie.php
95.781KB
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class-smtp.php
0.446KB
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class-snoopy.php
36.831KB
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class-walker-category-dropdown.php
2.412KB
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class-walker-category.php
8.27KB
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class-walker-comment.php
13.878KB
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class-walker-nav-menu.php
9.13KB
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class-walker-page-dropdown.php
2.646KB
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class-walker-page.php
7.421KB
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class-wp-admin-bar.php
17.052KB
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class-wp-ajax-response.php
5.117KB
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class-wp-application-passwords.php
11.948KB
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class-wp-block-editor-context.php
0.869KB
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class-wp-block-list.php
4.612KB
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class-wp-block-parser.php
14.861KB
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class-wp-block-pattern-categories-registry.php
4.431KB
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class-wp-block-patterns-registry.php
5.796KB
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class-wp-block-styles-registry.php
4.882KB
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class-wp-block-supports.php
5.172KB
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class-wp-block-template.php
1.773KB
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class-wp-block-type-registry.php
4.533KB
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class-wp-block-type.php
9.27KB
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class-wp-block.php
7.991KB
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class-wp-comment-query.php
46.334KB
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class-wp-comment.php
9.103KB
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class-wp-customize-control.php
25.108KB
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class-wp-customize-manager.php
196.558KB
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class-wp-customize-nav-menus.php
55.448KB
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class-wp-customize-panel.php
10.192KB
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class-wp-customize-section.php
10.716KB
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class-wp-customize-setting.php
29.082KB
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class-wp-customize-widgets.php
69.517KB
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class-wp-date-query.php
34.173KB
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class-wp-dependency.php
2.452KB
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class-wp-editor.php
69.537KB
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class-wp-embed.php
15.567KB
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class-wp-error.php
7.131KB
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class-wp-fatal-error-handler.php
7.397KB
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class-wp-feed-cache-transient.php
2.5KB
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class-wp-feed-cache.php
0.947KB
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class-wp-hook.php
15.323KB
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class-wp-http-cookie.php
7.213KB
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class-wp-http-curl.php
12.099KB
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class-wp-http-encoding.php
6.507KB
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class-wp-http-ixr-client.php
3.394KB
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class-wp-http-proxy.php
5.82KB
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class-wp-http-requests-hooks.php
1.938KB
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class-wp-http-requests-response.php
4.241KB
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class-wp-http-response.php
2.882KB
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class-wp-http-streams.php
16.259KB
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class-wp-http.php
38.974KB
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class-wp-image-editor-gd.php
15.295KB
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class-wp-image-editor-imagick.php
26.329KB
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class-wp-image-editor.php
16.262KB
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class-wp-list-util.php
6.825KB
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class-wp-locale-switcher.php
4.904KB
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class-wp-locale.php
13.654KB
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class-wp-matchesmapregex.php
1.758KB
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class-wp-meta-query.php
29.471KB
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class-wp-metadata-lazyloader.php
5.227KB
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class-wp-network-query.php
18.722KB
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class-wp-network.php
12.089KB
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class-wp-object-cache.php
13.233KB
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class-wp-oembed-controller.php
6.667KB
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class-wp-oembed.php
29.982KB
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class-wp-paused-extensions-storage.php
4.808KB
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class-wp-post-type.php
20.72KB
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class-wp-post.php
6.272KB
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class-wp-query.php
135.702KB
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class-wp-recovery-mode-cookie-service.php
6.308KB
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class-wp-recovery-mode-email-service.php
10.41KB
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class-wp-recovery-mode-key-service.php
4.17KB
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class-wp-recovery-mode-link-service.php
3.321KB
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class-wp-recovery-mode.php
11.111KB
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class-wp-rewrite.php
61.486KB
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class-wp-role.php
2.439KB
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class-wp-roles.php
8.236KB
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class-wp-session-tokens.php
7.251KB
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class-wp-simplepie-file.php
3.183KB
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class-wp-simplepie-sanitize-kses.php
1.733KB
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class-wp-site-query.php
29.648KB
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class-wp-site.php
7.254KB
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class-wp-tax-query.php
18.993KB
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class-wp-taxonomy.php
13.409KB
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class-wp-term-query.php
37.178KB
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class-wp-term.php
5.148KB
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class-wp-text-diff-renderer-inline.php
0.699KB
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class-wp-text-diff-renderer-table.php
16.401KB
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class-wp-theme-json-resolver.php
14.063KB
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class-wp-theme-json-schema.php
4.195KB
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class-wp-theme-json.php
61.309KB
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class-wp-theme.php
52.563KB
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class-wp-user-meta-session-tokens.php
2.92KB
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class-wp-user-query.php
37.177KB
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class-wp-user-request.php
2.145KB
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class-wp-user.php
21.702KB
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class-wp-walker.php
12.707KB
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class-wp-widget-factory.php
3.243KB
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class-wp-widget.php
17.723KB
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class-wp-xmlrpc-server.php
207.944KB
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class-wp.php
24.67KB
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class.wp-dependencies.php
13.68KB
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class.wp-scripts.php
18.5KB
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class.wp-styles.php
10.626KB
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comment-template.php
93.813KB
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comment.php
123.567KB
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compat.php
14.524KB
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cron.php
39.899KB
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date.php
0.396KB
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default-constants.php
10.017KB
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default-filters.php
30.728KB
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default-widgets.php
2.17KB
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deprecated.php
121.944KB
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embed-template.php
0.333KB
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embed.php
36.05KB
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error-protection.php
4.021KB
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feed-atom-comments.php
5.316KB
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feed-atom.php
2.977KB
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feed-rdf.php
2.605KB
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feed-rss.php
1.161KB
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feed-rss2-comments.php
3.975KB
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feed-rss2.php
3.71KB
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feed.php
22.428KB
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formatting.php
318.689KB
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functions.php
251.333KB
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functions.wp-scripts.php
13.121KB
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functions.wp-styles.php
8.37KB
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general-template.php
155.356KB
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global-styles-and-settings.php
6.21KB
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http.php
22.463KB
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https-detection.php
6.701KB
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https-migration.php
4.619KB
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kses.php
67.492KB
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l10n.php
57.655KB
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link-template.php
145.705KB
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load.php
49.001KB
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locale.php
0.158KB
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media-template.php
58.967KB
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media.php
180.748KB
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meta.php
61.213KB
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ms-blogs.php
24.584KB
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ms-default-constants.php
4.652KB
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ms-default-filters.php
6.35KB
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ms-deprecated.php
20.634KB
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ms-files.php
2.592KB
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ms-functions.php
91.922KB
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ms-load.php
19.322KB
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ms-network.php
3.575KB
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ms-settings.php
4.027KB
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ms-site.php
38.679KB
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nav-menu-template.php
22.75KB
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nav-menu.php
41.552KB
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option.php
75.102KB
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pluggable-deprecated.php
6.116KB
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pluggable.php
101.957KB
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plugin.php
33.414KB
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post-formats.php
6.913KB
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post-template.php
63.328KB
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post-thumbnail-template.php
10.633KB
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post.php
268.666KB
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query.php
34.944KB
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registration-functions.php
0.195KB
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registration.php
0.195KB
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rest-api.php
93.053KB
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revision.php
22.933KB
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rewrite.php
18.763KB
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robots-template.php
5.052KB
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rss-functions.php
0.249KB
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rss.php
22.439KB
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script-loader.php
110.872KB
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session.php
0.252KB
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shortcodes.php
20.93KB
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sitemaps.php
3.162KB
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spl-autoload-compat.php
0.431KB
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taxonomy.php
167.623KB
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template-canvas.php
0.578KB
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template-loader.php
2.941KB
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template.php
21.958KB
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theme-i18n.json
0.903KB
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theme-templates.php
5.404KB
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theme.json
5.602KB
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theme.php
124.052KB
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update.php
29.338KB
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user.php
157.788KB
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vars.php
5.68KB
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version.php
0.937KB
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widgets.php
67.579KB
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wlwmanifest.xml
1.021KB
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wp-db.php
106.221KB
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wp-diff.php
0.632KB
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<=Back
<?php /** * Post revision functions. * * @package WordPress * @subpackage Post_Revisions */ /** * Determines which fields of posts are to be saved in revisions. * * @since 2.6.0 * @since 4.5.0 A `WP_Post` object can now be passed to the `$post` parameter. * @since 4.5.0 The optional `$autosave` parameter was deprecated and renamed to `$deprecated`. * @access private * * @param array|WP_Post $post Optional. A post array or a WP_Post object being processed * for insertion as a post revision. Default empty array. * @param bool $deprecated Not used. * @return array Array of fields that can be versioned. */ function _wp_post_revision_fields( $post = array(), $deprecated = false ) { static $fields = null; if ( ! is_array( $post ) ) { $post = get_post( $post, ARRAY_A ); } if ( is_null( $fields ) ) { // Allow these to be versioned. $fields = array( 'post_title' => __( 'Title' ), 'post_content' => __( 'Content' ), 'post_excerpt' => __( 'Excerpt' ), ); } /** * Filters the list of fields saved in post revisions. * * Included by default: 'post_title', 'post_content' and 'post_excerpt'. * * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date', * 'post_date_gmt', 'post_status', 'post_type', 'comment_count', * and 'post_author'. * * @since 2.6.0 * @since 4.5.0 The `$post` parameter was added. * * @param array $fields List of fields to revision. Contains 'post_title', * 'post_content', and 'post_excerpt' by default. * @param array $post A post array being processed for insertion as a post revision. */ $fields = apply_filters( '_wp_post_revision_fields', $fields, $post ); // WP uses these internally either in versioning or elsewhere - they cannot be versioned. foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) { unset( $fields[ $protect ] ); } return $fields; } /** * Returns a post array ready to be inserted into the posts table as a post revision. * * @since 4.5.0 * @access private * * @param array|WP_Post $post Optional. A post array or a WP_Post object to be processed * for insertion as a post revision. Default empty array. * @param bool $autosave Optional. Is the revision an autosave? Default false. * @return array Post array ready to be inserted as a post revision. */ function _wp_post_revision_data( $post = array(), $autosave = false ) { if ( ! is_array( $post ) ) { $post = get_post( $post, ARRAY_A ); } $fields = _wp_post_revision_fields( $post ); $revision_data = array(); foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) { $revision_data[ $field ] = $post[ $field ]; } $revision_data['post_parent'] = $post['ID']; $revision_data['post_status'] = 'inherit'; $revision_data['post_type'] = 'revision'; $revision_data['post_name'] = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version. $revision_data['post_date'] = isset( $post['post_modified'] ) ? $post['post_modified'] : ''; $revision_data['post_date_gmt'] = isset( $post['post_modified_gmt'] ) ? $post['post_modified_gmt'] : ''; return $revision_data; } /** * Creates a revision for the current version of a post. * * Typically used immediately after a post update, as every update is a revision, * and the most recent revision always matches the current post. * * @since 2.6.0 * * @param int $post_id The ID of the post to save as a revision. * @return int|WP_Error|void Void or 0 if error, new revision ID, if success. */ function wp_save_post_revision( $post_id ) { if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } $post = get_post( $post_id ); if ( ! $post ) { return; } if ( ! post_type_supports( $post->post_type, 'revisions' ) ) { return; } if ( 'auto-draft' === $post->post_status ) { return; } if ( ! wp_revisions_enabled( $post ) ) { return; } /* * Compare the proposed update with the last stored revision verifying that * they are different, unless a plugin tells us to always save regardless. * If no previous revisions, save one. */ $revisions = wp_get_post_revisions( $post_id ); if ( $revisions ) { // Grab the last revision, but not an autosave. foreach ( $revisions as $revision ) { if ( false !== strpos( $revision->post_name, "{$revision->post_parent}-revision" ) ) { $last_revision = $revision; break; } } /** * Filters whether the post has changed since the last revision. * * By default a revision is saved only if one of the revisioned fields has changed. * This filter can override that so a revision is saved even if nothing has changed. * * @since 3.6.0 * * @param bool $check_for_changes Whether to check for changes before saving a new revision. * Default true. * @param WP_Post $last_revision The last revision post object. * @param WP_Post $post The post object. */ if ( isset( $last_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', true, $last_revision, $post ) ) { $post_has_changed = false; foreach ( array_keys( _wp_post_revision_fields( $post ) ) as $field ) { if ( normalize_whitespace( $post->$field ) !== normalize_whitespace( $last_revision->$field ) ) { $post_has_changed = true; break; } } /** * Filters whether a post has changed. * * By default a revision is saved only if one of the revisioned fields has changed. * This filter allows for additional checks to determine if there were changes. * * @since 4.1.0 * * @param bool $post_has_changed Whether the post has changed. * @param WP_Post $last_revision The last revision post object. * @param WP_Post $post The post object. */ $post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $last_revision, $post ); // Don't save revision if post unchanged. if ( ! $post_has_changed ) { return; } } } $return = _wp_put_post_revision( $post ); // If a limit for the number of revisions to keep has been set, // delete the oldest ones. $revisions_to_keep = wp_revisions_to_keep( $post ); if ( $revisions_to_keep < 0 ) { return $return; } $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) ); $delete = count( $revisions ) - $revisions_to_keep; if ( $delete < 1 ) { return $return; } $revisions = array_slice( $revisions, 0, $delete ); for ( $i = 0; isset( $revisions[ $i ] ); $i++ ) { if ( false !== strpos( $revisions[ $i ]->post_name, 'autosave' ) ) { continue; } wp_delete_post_revision( $revisions[ $i ]->ID ); } return $return; } /** * Retrieve the autosaved data of the specified post. * * Returns a post object with the information that was autosaved for the specified post. * If the optional $user_id is passed, returns the autosave for that user, otherwise * returns the latest autosave. * * @since 2.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id The post ID. * @param int $user_id Optional The post author ID. * @return WP_Post|false The autosaved data or false on failure or when no autosave exists. */ function wp_get_post_autosave( $post_id, $user_id = 0 ) { global $wpdb; $autosave_name = $post_id . '-autosave-v1'; $user_id_query = ( 0 !== $user_id ) ? "AND post_author = $user_id" : null; // Construct the autosave query. $autosave_query = " SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision' AND post_status = 'inherit' AND post_name = %s " . $user_id_query . ' ORDER BY post_date DESC LIMIT 1'; $autosave = $wpdb->get_results( $wpdb->prepare( $autosave_query, $post_id, $autosave_name ) ); if ( ! $autosave ) { return false; } return get_post( $autosave[0] ); } /** * Determines if the specified post is a revision. * * @since 2.6.0 * * @param int|WP_Post $post Post ID or post object. * @return int|false ID of revision's parent on success, false if not a revision. */ function wp_is_post_revision( $post ) { $post = wp_get_post_revision( $post ); if ( ! $post ) { return false; } return (int) $post->post_parent; } /** * Determines if the specified post is an autosave. * * @since 2.6.0 * * @param int|WP_Post $post Post ID or post object. * @return int|false ID of autosave's parent on success, false if not a revision. */ function wp_is_post_autosave( $post ) { $post = wp_get_post_revision( $post ); if ( ! $post ) { return false; } if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) ) { return (int) $post->post_parent; } return false; } /** * Inserts post data into the posts table as a post revision. * * @since 2.6.0 * @access private * * @param int|WP_Post|array|null $post Post ID, post object OR post array. * @param bool $autosave Optional. Is the revision an autosave? * @return int|WP_Error WP_Error or 0 if error, new revision ID if success. */ function _wp_put_post_revision( $post = null, $autosave = false ) { if ( is_object( $post ) ) { $post = get_object_vars( $post ); } elseif ( ! is_array( $post ) ) { $post = get_post( $post, ARRAY_A ); } if ( ! $post || empty( $post['ID'] ) ) { return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); } if ( isset( $post['post_type'] ) && 'revision' === $post['post_type'] ) { return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) ); } $post = _wp_post_revision_data( $post, $autosave ); $post = wp_slash( $post ); // Since data is from DB. $revision_id = wp_insert_post( $post, true ); if ( is_wp_error( $revision_id ) ) { return $revision_id; } if ( $revision_id ) { /** * Fires once a revision has been saved. * * @since 2.6.0 * * @param int $revision_id Post revision ID. */ do_action( '_wp_put_post_revision', $revision_id ); } return $revision_id; } /** * Gets a post revision. * * @since 2.6.0 * * @param int|WP_Post $post The post ID or object. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Post object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string $filter Optional sanitation filter. See sanitize_post(). * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function wp_get_post_revision( &$post, $output = OBJECT, $filter = 'raw' ) { $revision = get_post( $post, OBJECT, $filter ); if ( ! $revision ) { return $revision; } if ( 'revision' !== $revision->post_type ) { return null; } if ( OBJECT === $output ) { return $revision; } elseif ( ARRAY_A === $output ) { $_revision = get_object_vars( $revision ); return $_revision; } elseif ( ARRAY_N === $output ) { $_revision = array_values( get_object_vars( $revision ) ); return $_revision; } return $revision; } /** * Restores a post to the specified revision. * * Can restore a past revision using all fields of the post revision, or only selected fields. * * @since 2.6.0 * * @param int|WP_Post $revision_id Revision ID or revision object. * @param array $fields Optional. What fields to restore from. Defaults to all. * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success. */ function wp_restore_post_revision( $revision_id, $fields = null ) { $revision = wp_get_post_revision( $revision_id, ARRAY_A ); if ( ! $revision ) { return $revision; } if ( ! is_array( $fields ) ) { $fields = array_keys( _wp_post_revision_fields( $revision ) ); } $update = array(); foreach ( array_intersect( array_keys( $revision ), $fields ) as $field ) { $update[ $field ] = $revision[ $field ]; } if ( ! $update ) { return false; } $update['ID'] = $revision['post_parent']; $update = wp_slash( $update ); // Since data is from DB. $post_id = wp_update_post( $update ); if ( ! $post_id || is_wp_error( $post_id ) ) { return $post_id; } // Update last edit user. update_post_meta( $post_id, '_edit_last', get_current_user_id() ); /** * Fires after a post revision has been restored. * * @since 2.6.0 * * @param int $post_id Post ID. * @param int $revision_id Post revision ID. */ do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); return $post_id; } /** * Deletes a revision. * * Deletes the row from the posts table corresponding to the specified revision. * * @since 2.6.0 * * @param int|WP_Post $revision_id Revision ID or revision object. * @return array|false|WP_Post|WP_Error|null Null or WP_Error if error, deleted post if success. */ function wp_delete_post_revision( $revision_id ) { $revision = wp_get_post_revision( $revision_id ); if ( ! $revision ) { return $revision; } $delete = wp_delete_post( $revision->ID ); if ( $delete ) { /** * Fires once a post revision has been deleted. * * @since 2.6.0 * * @param int $revision_id Post revision ID. * @param WP_Post $revision Post revision object. */ do_action( 'wp_delete_post_revision', $revision->ID, $revision ); } return $delete; } /** * Returns all revisions of specified post. * * @since 2.6.0 * * @see get_children() * * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global `$post`. * @param array|null $args Optional. Arguments for retrieving post revisions. Default null. * @return array An array of revisions, or an empty array if none. */ function wp_get_post_revisions( $post_id = 0, $args = null ) { $post = get_post( $post_id ); if ( ! $post || empty( $post->ID ) ) { return array(); } $defaults = array( 'order' => 'DESC', 'orderby' => 'date ID', 'check_enabled' => true, ); $args = wp_parse_args( $args, $defaults ); if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) ) { return array(); } $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit', ) ); $revisions = get_children( $args ); if ( ! $revisions ) { return array(); } return $revisions; } /** * Returns the url for viewing and potentially restoring revisions of a given post. * * @since 5.9.0 * * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global `$post`. * @return null|string The URL for editing revisions on the given post, otherwise null. */ function wp_get_post_revisions_url( $post_id = 0 ) { $post = get_post( $post_id ); if ( ! $post instanceof WP_Post ) { return null; } // If the post is a revision, return early. if ( 'revision' === $post->post_type ) { return get_edit_post_link( $post ); } if ( ! wp_revisions_enabled( $post ) ) { return null; } $revisions = wp_get_post_revisions( $post->ID, array( 'posts_per_page' => 1 ) ); if ( 0 === count( $revisions ) ) { return null; } $revision = reset( $revisions ); return get_edit_post_link( $revision ); } /** * Determine if revisions are enabled for a given post. * * @since 3.6.0 * * @param WP_Post $post The post object. * @return bool True if number of revisions to keep isn't zero, false otherwise. */ function wp_revisions_enabled( $post ) { return wp_revisions_to_keep( $post ) !== 0; } /** * Determine how many revisions to retain for a given post. * * By default, an infinite number of revisions are kept. * * The constant WP_POST_REVISIONS can be set in wp-config to specify the limit * of revisions to keep. * * @since 3.6.0 * * @param WP_Post $post The post object. * @return int The number of revisions to keep. */ function wp_revisions_to_keep( $post ) { $num = WP_POST_REVISIONS; if ( true === $num ) { $num = -1; } else { $num = (int) $num; } if ( ! post_type_supports( $post->post_type, 'revisions' ) ) { $num = 0; } /** * Filters the number of revisions to save for the given post. * * Overrides the value of WP_POST_REVISIONS. * * @since 3.6.0 * * @param int $num Number of revisions to store. * @param WP_Post $post Post object. */ $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. * * Possible hook names include: * * - `wp_post_revisions_to_keep` * - `wp_page_revisions_to_keep` * * @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; } /** * Sets up the post object for preview based on the post autosave. * * @since 2.7.0 * @access private * * @param WP_Post $post * @return WP_Post|false */ function _set_preview( $post ) { if ( ! is_object( $post ) ) { return $post; } $preview = wp_get_post_autosave( $post->ID ); if ( is_object( $preview ) ) { $preview = sanitize_post( $preview ); $post->post_content = $preview->post_content; $post->post_title = $preview->post_title; $post->post_excerpt = $preview->post_excerpt; } add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 ); add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 ); return $post; } /** * Filters the latest content for preview from the post autosave. * * @since 2.7.0 * @access private */ function _show_post_preview() { if ( isset( $_GET['preview_id'] ) && isset( $_GET['preview_nonce'] ) ) { $id = (int) $_GET['preview_id']; if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) { wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 ); } add_filter( 'the_preview', '_set_preview' ); } } /** * Filters terms lookup to set the post format. * * @since 3.6.0 * @access private * * @param array $terms * @param int $post_id * @param string $taxonomy * @return array */ function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) { $post = get_post(); if ( ! $post ) { return $terms; } if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id || 'post_format' !== $taxonomy || 'revision' === $post->post_type ) { return $terms; } if ( 'standard' === $_REQUEST['post_format'] ) { $terms = array(); } else { $term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' ); if ( $term ) { $terms = array( $term ); // Can only have one post format. } } return $terms; } /** * Filters post thumbnail lookup to set the post thumbnail. * * @since 4.6.0 * @access private * * @param null|array|string $value The value to return - a single metadata value, or an array of values. * @param int $post_id Post ID. * @param string $meta_key Meta key. * @return null|array The default return value or the post thumbnail meta array. */ function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) { $post = get_post(); if ( ! $post ) { return $value; } if ( empty( $_REQUEST['_thumbnail_id'] ) || empty( $_REQUEST['preview_id'] ) || $post->ID != $post_id || '_thumbnail_id' !== $meta_key || 'revision' === $post->post_type || $post_id != $_REQUEST['preview_id'] ) { return $value; } $thumbnail_id = (int) $_REQUEST['_thumbnail_id']; if ( $thumbnail_id <= 0 ) { return ''; } return (string) $thumbnail_id; } /** * Gets the post revision version. * * @since 3.6.0 * @access private * * @param WP_Post $revision * @return int|false */ function _wp_get_post_revision_version( $revision ) { if ( is_object( $revision ) ) { $revision = get_object_vars( $revision ); } elseif ( ! is_array( $revision ) ) { return false; } if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) { return (int) $matches[1]; } return 0; } /** * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1 * * @since 3.6.0 * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @param WP_Post $post Post object * @param array $revisions Current revisions of the post * @return bool true if the revisions were upgraded, false if problems */ function _wp_upgrade_revisions_of_post( $post, $revisions ) { global $wpdb; // Add post option exclusively. $lock = "revision-upgrade-{$post->ID}"; $now = time(); $result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now ) ); if ( ! $result ) { // If we couldn't get a lock, see how old the previous lock is. $locked = get_option( $lock ); if ( ! $locked ) { // Can't write to the lock, and can't read the lock. // Something broken has happened. return false; } if ( $locked > $now - 3600 ) { // Lock is not too old: some other process may be upgrading this post. Bail. return false; } // Lock is too old - update it (below) and continue. } // If we could get a lock, re-"add" the option to fire all the correct filters. update_option( $lock, $now ); reset( $revisions ); $add_last = true; do { $this_revision = current( $revisions ); $prev_revision = next( $revisions ); $this_revision_version = _wp_get_post_revision_version( $this_revision ); // Something terrible happened. if ( false === $this_revision_version ) { continue; } // 1 is the latest revision version, so we're already up to date. // No need to add a copy of the post as latest revision. if ( 0 < $this_revision_version ) { $add_last = false; continue; } // Always update the revision version. $update = array( 'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ), ); /* * If this revision is the oldest revision of the post, i.e. no $prev_revision, * the correct post_author is probably $post->post_author, but that's only a good guess. * Update the revision version only and Leave the author as-is. */ if ( $prev_revision ) { $prev_revision_version = _wp_get_post_revision_version( $prev_revision ); // If the previous revision is already up to date, it no longer has the information we need :( if ( $prev_revision_version < 1 ) { $update['post_author'] = $prev_revision->post_author; } } // Upgrade this revision. $result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) ); if ( $result ) { wp_cache_delete( $this_revision->ID, 'posts' ); } } while ( $prev_revision ); delete_option( $lock ); // Add a copy of the post as latest revision. if ( $add_last ) { wp_save_post_revision( $post->ID ); } return true; }
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