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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