# post-carousel/4.0.3/admin/views/sp-framework/classes/abstract.class.php

Smart Post – Post Grid, Post Carousel, Post Slider Gutenberg Blocks for Blog & News, version 4.0.3. 69 lines.

- Page: https://pluginprobe.com/plugins/post-carousel/4.0.3/code/admin/views/sp-framework/classes/abstract.class.php
- Raw: https://pluginprobe.com/plugins/post-carousel/4.0.3/raw/admin/views/sp-framework/classes/abstract.class.php
- Modified: 2025-08-21T14:44:00+00:00

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```php
<?php
/**
 * The abstract class of the plugin.
 *
 * @package Smart_Post_Show
 * @subpackage Smart_Post_Show/views/sp-framework/classes
 */

if ( ! defined( 'ABSPATH' ) ) {
	die; } // Cannot access directly.

if ( ! class_exists( 'SP_PC_Abstract' ) ) {
	/**
	 *
	 * Abstract Class
	 *
	 * @since 1.0.0
	 * @version 1.0.0
	 */
	abstract class SP_PC_Abstract {

		/**
		 * $abstract variable
		 *
		 * @var string
		 */
		public $abstract = '';

		/**
		 * $output_css variable
		 *
		 * @var string
		 */
		public $output_css = '';

		/**
		 * $typographies variable
		 *
		 * @var array
		 */
		public $typographies = array();

		/**
		 * Constructor of the class.
		 */
		public function __construct() {

			// Check for embed custom css styles.
			if ( ! empty( $this->args['output_css'] ) ) {
				add_action( 'wp_head', array( &$this, 'add_output_css' ), 100 );
			}
		}

		/**
		 * Add output CSS.
		 *
		 * @return void
		 */
		public function add_output_css() {

			$this->output_css = apply_filters( "SP_PC_{$this->unique}_output_css", $this->output_css, $this );

			if ( ! empty( $this->output_css ) ) {
				echo '<style type="text/css">' . esc_html( $this->output_css ) . '</style>';
			}
		}
	}
}

```