<?php

/**

 * I18N: WP_Translation_File_PHP class.

 *

 * @package WordPress

 * @subpackage I18N

 * @since 6.5.0

 */

/**

 * Class WP_Translation_File_PHP.

 *

 * @since 6.5.0

 */

class WP_Translation_File_PHP extends WP_Translation_File {

	/**

	 * Parses the file.

	 *

	 * @since 6.5.0

	 */

	protected function parse_file() {

		$this->parsed = true;

		$result = include $this->file;

		if ( ! $result || ! is_array( $result ) ) {

			$this->error = 'Invalid data';

			return;

		}

		if ( isset( $result['messages'] ) && is_array( $result['messages'] ) ) {

			foreach ( $result['messages'] as $original => $translation ) {

				$this->entries[ (string) $original ] = $translation;

			}

			unset( $result['messages'] );

		}

		$this->headers = array_change_key_case( $result );

	}

	/**

	 * Exports translation contents as a string.

	 *

	 * @since 6.5.0

	 *

	 * @return string Translation file contents.

	 */

	public function export(): string {

		$data = array_merge( $this->headers, array( 'messages' => $this->entries ) );

		return '<?php' . PHP_EOL . 'return ' . $this->var_export( $data ) . ';' . PHP_EOL;

	}

	/**

	 * Outputs or returns a parsable string representation of a variable.

	 *

	 * Like {@see var_export()} but "minified", using short array syntax

	 * and no newlines.

	 *

	 * @since 6.5.0

	 *

	 * @param mixed $value The variable you want to export.

	 * @return string The variable representation.

	 */

	private function var_export( $value ): string {

		if ( ! is_array( $value ) ) {

			return var_export( $value, true );

		}

		$entries = array();

		$is_list = array_is_list( $value );

		foreach ( $value as $key => $val ) {

			$entries[] = $is_list ? $this->var_export( $val ) : var_export( $key, true ) . '=>' . $this->var_export( $val );

		}

		return '[' . implode( ',', $entries ) . ']';

	}

}