Converts a version number to a legacy version if needed and possible.

Parameters

string $version_string: The version number.

Return value

string|null The version number, converted if needed, or NULL if not possible. Only semantic version numbers that have patch level of 0 can be converted into legacy version numbers.

1 call to LegacyVersionUtility::convertToLegacyVersion()

SupportedReleaseValidator::isSupportedRelease in core/modules/package_manager/src/Validator/SupportedReleaseValidator.php

Checks if the given version of a project is supported.

File

core/modules/package_manager/src/LegacyVersionUtility.php, line 50

Class

LegacyVersionUtility

A utility class for dealing with legacy version numbers.

Namespace

Drupal\package_manager

Code

public static function convertToLegacyVersion($version_string) : ?string {
  if (self::isLegacyVersion($version_string)) {
    return $version_string;
  }
  $version = ExtensionVersion::createFromVersionString($version_string);
  if ($extra = $version->getVersionExtra()) {
    $version_string_without_extra = str_replace("-{$extra}", '', $version_string);
  }
  else {
    $version_string_without_extra = $version_string;
  }
  [, , $patch] = explode('.', $version_string_without_extra);
  // A semantic version can only be converted to legacy if it's patch level is
  // '0'.
  if ($patch !== '0') {
    return NULL;
  }
  return '8.x-' . $version->getMajorVersion() . '.' . $version->getMinorVersion() . ($extra ? "-{$extra}" : '');
}

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