<?php
/**
 * Excerpt Class.
 *
 * @package Pofo.
 **/

?>
<?php
// Exerpt length.
if ( ! class_exists( 'Pofo_Excerpt' ) ) {
	class Pofo_Excerpt {

		public static $length = 34;

		public static function pofo_get_by_length( $new_length = 34 ) {

			return Pofo_Excerpt::pofo_get( $new_length );
		}

		public static function pofo_get( $new_length ) {

			global $post;

			$pofo_output_data = '';
			$pofo_content     = get_the_content();
			$pattern          = get_shortcode_regex();

			if ( $post->post_excerpt ) {

				$pofo_output_data = $post->post_excerpt;

			} else {

				$sub_string       = explode( '[vc_raw_html]', $pofo_content );
				$sub_string       = ! empty( $sub_string['1'] ) ? explode( '[/vc_raw_html]', $sub_string['1'] ) : '';
				$sub_string       = ! empty( $sub_string['0'] ) ? $sub_string['0'] : '';
				$pofo_content     = str_replace( $sub_string, '', $pofo_content );
				$pofo_output_data = preg_replace_callback( "/$pattern/s", 'pofo_extract_shortcode_contents', $pofo_content );
			}
			if ( post_password_required() ) {

				$pofo_output_data = $pofo_content;

			} else {

				if ( $new_length > 0 ) {

					$pofo_output_data = wp_trim_words( $pofo_output_data, $new_length, '...' );

				} else {

					$pofo_output_data = wp_trim_words( $pofo_output_data, $new_length, '' );
				}
			}
			return $pofo_output_data;
		}
	}
}