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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 82 | /** |
| 83 | * Fires before each of the tabs are rendered on the Install Themes page. |
| 84 | * |
| 85 | * The dynamic portion of the hook name, `$tab`, refers to the current |
| 86 | * theme installation tab. Possible values are 'dashboard', 'search', 'upload', |
| 87 | * 'featured', 'new', or 'updated'. |
| 88 | * |
| 89 | * @since 2.8.0 |
| 90 | */ |
| 91 | do_action( "install_themes_pre_{$tab}" ); |
| 92 | } |
| 93 | |
| 94 | $help_overview = |
| 95 | '<p>' . sprintf( |
| 96 | /* translators: %s: Theme Directory URL. */ |
| 97 | __( 'You can find additional themes for your site by using the Theme Browser/Installer on this screen, which will display themes from the <a href="%s">WordPress Theme Directory</a>. These themes are designed and developed by third parties, are available free of charge, and are compatible with the license WordPress uses.' ), |
| 98 | __( 'https://wordpress.org/themes/' ) |
| 99 | ) . '</p>' . |
| 100 | '<p>' . __( 'You can Search for themes by keyword, author, or tag, or can get more specific and search by criteria listed in the feature filter.' ) . ' <span id="live-search-desc">' . __( 'The search results will be updated as you type.' ) . '</span></p>' . |