wp-includes/customize/class-wp-customize-custom-css-setting.php:124Fetch the value of the setting. Will return the previewed value when preview() is called.
stringOne hook fires while WP_Customize_Custom_CSS_Setting::value() runs, in this order:
Filters a Customize setting value not handled as a theme_mod or option.
public function value() { if ( $this->is_previewed ) { $post_value = $this->post_value( null ); if ( null !== $post_value ) { return $post_value; } } $id_base = $this->id_data['base']; $value = ''; $post = wp_get_custom_css_post( $this->stylesheet ); if ( $post ) { $value = $post->post_content; } if ( empty( $value ) ) { $value = $this->default; } /** This filter is documented in wp-includes/class-wp-customize-setting.php */ $value = apply_filters( "customize_value_{$id_base}", $value, $this ); return $value; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/customize/class-wp-customize-custom-css-setting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.