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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 |
|---|---|
| 334 | add_action( 'wp_head', array( $this, 'customize_preview_html5' ) ); |
| 335 | add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 ); |
| 336 | add_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 ); |
| 337 | add_filter( 'wp_die_handler', array( $this, 'remove_preview_signature' ) ); |
| 338 | |
| 339 | foreach ( $this->settings as $setting ) { |
| 340 | $setting->preview(); |
| 341 | } |
| 342 | |
| 343 | do_action( 'customize_preview_init', $this ); |
| 344 | } |
| 345 | |
| 346 | /** |
| 347 | * Print base element for preview frame. |
| 348 | * |
| 349 | * @since 3.4.0 |
| 350 | */ |
| 351 | public function customize_preview_base() { |
| 352 | ?><base href="<?php echo home_url( '/' ); ?>" /><?php |