cl_date shortcode

cl-date-shortcode.php

<?php

namespace CLToolkit;

use CLToolkit\Traits\Singleton;
use DateTime;
use DateTimeZone;
use Exception;

class Shortcodes {
	use Singleton;

	public function init() {
		add_shortcode( 'cl_date', [ $this, 'cl_date_shortcode_handler' ] );
	}

	/**
	 * Shortcode to output a date
	 *
	 * @param $atts
	 *
	 * @return string
	 * @throws Exception
	 */
	public function cl_date_shortcode_handler( $atts ) {
		if ( empty( $atts ) ) {
			$atts = shortcode_atts( array(
				'format' => 'Y',
			), $atts );
		}

		$date = gmdate( $atts['format'] );

		$tz = get_option( 'timezone_string' );

		if ( ! empty( $tz ) ) {
			$tzdate = new DateTime( gmdate( 'Y-m-d H:i:s' ), new DateTimeZone( 'UTC' ) );
			$tzdate->setTimezone( new DateTimeZone( $tz ) );
			$date = $tzdate->format( $atts['format'] );
		}

		return $date;
	}
}