WP_Customize_Setting::_preview_filter()
Callback function to filter non-multidimensional theme mods and options.
If switch_to_blog() was called after the preview() method, and the current site is now not the same site, then this method does a no-op and returns the original value.
Method of the class: WP_Customize_Setting{}
No Hooks.
Return
Mixed
. New or old value.
Usage
$WP_Customize_Setting = new WP_Customize_Setting(); $WP_Customize_Setting->_preview_filter( $original );
- $original(mixed) (required)
- Old value.
Changelog
Since 3.4.0 | Introduced. |
WP_Customize_Setting::_preview_filter() WP Customize Setting:: preview filter code WP 6.5.2
public function _preview_filter( $original ) { if ( ! $this->is_current_blog_previewed() ) { return $original; } $undefined = new stdClass(); // Symbol hack. $post_value = $this->post_value( $undefined ); if ( $undefined !== $post_value ) { $value = $post_value; } else { /* * Note that we don't use $original here because preview() will * not add the filter in the first place if it has an initial value * and there is no post value. */ $value = $this->default; } return $value; }