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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 |
|---|---|
| 5919 | * |
| 5920 | * @see wp_prepare_themes_for_js() |
| 5921 | * @see themes_api() |
| 5922 | * @see WP_Customize_Manager::__construct() |
| 5923 | * |
| 5924 | * @param array $themes Nested array of theme data. |
| 5925 | * @param array $args List of arguments, such as page, search term, and tags to query for. |
| 5926 | * @param WP_Customize_Manager $manager Instance of Customize manager. |
| 5927 | */ |
| 5928 | $themes = apply_filters( 'customize_load_themes', $themes, $args, $this ); |
| 5929 | |
| 5930 | wp_send_json_success( $themes ); |
| 5931 | } |
| 5932 | |
| 5933 | |
| 5934 | /** |
| 5935 | * Callback for validating the header_textcolor value. |
| 5936 | * |
| 5937 | * Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash(). |