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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 |
---|---|
341 | * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings |
342 | * not handled as theme_mods or options. |
343 | * |
344 | * The dynamic portion of the hook name, `$this->id`, refers to the setting ID. |
345 | * |
346 | * @since 3.4.0 |
347 | * |
348 | * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance. |
349 | */ |
350 | do_action( "customize_preview_{$this->id}", $this ); |
351 |
|
352 | /** |
353 | * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings |
354 | * not handled as theme_mods or options. |
355 | * |
356 | * The dynamic portion of the hook name, `$this->type`, refers to the setting type. |
357 | * |
358 | * @since 4.1.0 |
359 | * |