1<?php
  2/**
  3 * I18N: WP_Translation_File_PHP class.
  4 *
  5 * @package WordPress
  6 * @subpackage I18N
  7 * @since 6.5.0
  8 */
  9
 10/**
 11 * Class WP_Translation_File_PHP.
 12 *
 13 * @since 6.5.0
 14 */
 15class WP_Translation_File_PHP extends WP_Translation_File {
 16	/**
 17	 * Parses the file.
 18	 *
 19	 * @since 6.5.0
 20	 */
 21	protected function parse_file() {
 22		$this->parsed = true;
 23
 24		$result = include $this->file;
 25		if ( ! $result || ! is_array( $result ) ) {
 26			$this->error = 'Invalid data';
 27			return;
 28		}
 29
 30		if ( isset( $result['messages'] ) && is_array( $result['messages'] ) ) {
 31			foreach ( $result['messages'] as $original => $translation ) {
 32				$this->entries[ (string) $original ] = $translation;
 33			}
 34			unset( $result['messages'] );
 35		}
 36
 37		$this->headers = array_change_key_case( $result );
 38	}
 39
 40	/**
 41	 * Exports translation contents as a string.
 42	 *
 43	 * @since 6.5.0
 44	 *
 45	 * @return string Translation file contents.
 46	 */
 47	public function export(): string {
 48		$data = array_merge( $this->headers, array( 'messages' => $this->entries ) );
 49
 50		return '<?php' . PHP_EOL . 'return ' . $this->var_export( $data ) . ';' . PHP_EOL;
 51	}
 52
 53	/**
 54	 * Outputs or returns a parsable string representation of a variable.
 55	 *
 56	 * Like {@see var_export()} but "minified", using short array syntax
 57	 * and no newlines.
 58	 *
 59	 * @since 6.5.0
 60	 *
 61	 * @param mixed $value The variable you want to export.
 62	 * @return string The variable representation.
 63	 */
 64	private function var_export( $value ): string {
 65		if ( ! is_array( $value ) ) {
 66			return var_export( $value, true );
 67		}
 68
 69		$entries = array();
 70
 71		$is_list = array_is_list( $value );
 72
 73		foreach ( $value as $key => $val ) {
 74			$entries[] = $is_list ? $this->var_export( $val ) : var_export( $key, true ) . '=>' . $this->var_export( $val );
 75		}
 76
 77		return '[' . implode( ',', $entries ) . ']';
 78	}
 79}
 80