WP_Curie class

class-wp-curie.php

<?php

/**
 * WP_Curie class
 */
class WP_Curie {

	/**
	 * @var string Prefix
	 */
	public $prefix = '';

	/**
	 * @var string Reference
	 */
	public $reference = '';

	/**
	 * Build Curie object
	 *
	 * @param string|array $curie
	 */
	public function __construct( $curie ) {

		if ( is_string( $curie ) ) {
			$curie = self::parse_string( $curie );
		}

		if ( is_array( $curie ) ) {
			if ( ! empty( $curie['prefix'] ) ) {
				$this->prefix = $curie['prefix'];
			}

			if ( ! empty( $curie['reference'] ) ) {
				$this->reference = $curie['reference'];
			}
		}

	}

	/**
	 * Parse Curie notated string and return array of Curie information
	 *
	 * @param string $curie
	 *
	 * @return array
	 */
	public static function parse_string( $curie ) {

		$curie = explode( ':', $curie );

		$curie_data = array(
			'prefix'    => '',
			'reference' => '',
		);

		if ( ! empty( $curie[0] ) ) {
			$curie_data['prefix'] = array_shift( $curie );
		}

		if ( ! empty( $curie ) ) {
			$curie_data['reference'] = implode( ':', $curie );
		}

		return $curie_data;

	}

	/**
	 * Convert Curie information into string
	 *
	 * @return string Curie notated string
	 */
	public function __toString() {

		$curie = $this->prefix . ':' . $this->reference;

		return $curie;

	}

}