*/ class ComposerVersionNormalizer { /** * Ensures there is a dash in between the version and the stability suffix. * * Examples: * - 1.23RC => 1.23-RC * - 1.23alpha => 1.23-alpha * - 1.23alpha3 => 1.23-alpha3 * - 1.23-beta => 1.23-beta * * @param string $version * * @return string * @throws InvalidArgumentException */ public function normalizeSuffix( $version ) { if ( !is_string( $version ) ) { throw new InvalidArgumentException( '$version must be a string' ); } return preg_replace( '/^(\d[\d\.]*)([a-zA-Z]+)(\d*)$/', '$1-$2$3', $version, 1 ); } /** * Ensures the version has four levels. * Version suffixes are supported, as long as they start with a dash. * * Examples: * - 1.19 => 1.19.0.0 * - 1.19.2.3 => 1.19.2.3 * - 1.19-alpha => 1.19.0.0-alpha * - 1337 => 1337.0.0.0 * * @param string $version * * @return string * @throws InvalidArgumentException */ public function normalizeLevelCount( $version ) { if ( !is_string( $version ) ) { throw new InvalidArgumentException( '$version must be a string' ); } $dashPosition = strpos( $version, '-' ); if ( $dashPosition !== false ) { $suffix = substr( $version, $dashPosition ); $version = substr( $version, 0, $dashPosition ); } $version = implode( '.', array_pad( explode( '.', $version, 4 ), 4, '0' ) ); if ( $dashPosition !== false ) { $version .= $suffix; } return $version; } }