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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 |
---|---|
5521 | * |
5522 | * @see wp_prepare_themes_for_js() |
5523 | * @see themes_api() |
5524 | * @see WP_Customize_Manager::__construct() |
5525 | * |
5526 | * @param array $themes Nested array of theme data. |
5527 | * @param array $args List of arguments, such as page, search term, and tags to query for. |
5528 | * @param WP_Customize_Manager $manager Instance of Customize manager. |
5529 | */ |
5530 | $themes = apply_filters( 'customize_load_themes', $themes, $args, $this ); |
5531 |
|
5532 | wp_send_json_success( $themes ); |
5533 | } |
5534 |
|
5535 |
|
5536 | /** |
5537 | * Callback for validating the header_textcolor value. |
5538 | * |
5539 | * Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash(). |