WP_Customize_Custom_CSS_Setting::value(): string

Source

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;
}

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