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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 |
|---|---|
| 2599 | |
| 2600 | $args = wp_parse_args( wp_unslash( $_REQUEST['request'] ), array( |
| 2601 | 'per_page' => 20, |
| 2602 | 'fields' => $theme_field_defaults |
| 2603 | ) ); |
| 2604 | |
| 2605 | $old_filter = isset( $args['browse'] ) ? $args['browse'] : 'search'; |
| 2606 | |
| 2607 | /** This filter is documented in wp-admin/includes/class-wp-theme-install-list-table.php */ |
| 2608 | $args = apply_filters( 'install_themes_table_api_args_' . $old_filter, $args ); |
| 2609 | |
| 2610 | $api = themes_api( 'query_themes', $args ); |
| 2611 | |
| 2612 | if ( is_wp_error( $api ) ) { |
| 2613 | wp_send_json_error(); |
| 2614 | } |
| 2615 | |
| 2616 | $update_php = network_admin_url( 'update.php?action=install-theme' ); |
| 2617 | foreach ( $api->themes as &$theme ) { |