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Direktori : /home2/selectio/www/limpiar.in.net/updates/vendor/composer/semver/src/ |
Current File : //home2/selectio/www/limpiar.in.net/updates/vendor/composer/semver/src/CompilingMatcher.php |
<?php /* * This file is part of composer/semver. * * (c) Composer <https://github.com/composer> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace Composer\Semver; use Composer\Semver\Constraint\Constraint; use Composer\Semver\Constraint\ConstraintInterface; /** * Helper class to evaluate constraint by compiling and reusing the code to evaluate */ class CompilingMatcher { /** * @var array * @phpstan-var array<string, callable> */ private static $compiledCheckerCache = array(); /** * @var array * @phpstan-var array<string, bool> */ private static $resultCache = array(); /** @var bool */ private static $enabled; /** * @phpstan-var array<Constraint::OP_*, Constraint::STR_OP_*> */ private static $transOpInt = array( Constraint::OP_EQ => Constraint::STR_OP_EQ, Constraint::OP_LT => Constraint::STR_OP_LT, Constraint::OP_LE => Constraint::STR_OP_LE, Constraint::OP_GT => Constraint::STR_OP_GT, Constraint::OP_GE => Constraint::STR_OP_GE, Constraint::OP_NE => Constraint::STR_OP_NE, ); /** * Clears the memoization cache once you are done * * @return void */ public static function clear() { self::$resultCache = array(); self::$compiledCheckerCache = array(); } /** * Evaluates the expression: $constraint match $operator $version * * @param ConstraintInterface $constraint * @param int $operator * @phpstan-param Constraint::OP_* $operator * @param string $version * * @return mixed */ public static function match(ConstraintInterface $constraint, $operator, $version) { $resultCacheKey = $operator.$constraint.';'.$version; if (isset(self::$resultCache[$resultCacheKey])) { return self::$resultCache[$resultCacheKey]; } if (self::$enabled === null) { self::$enabled = !\in_array('eval', explode(',', (string) ini_get('disable_functions')), true); } if (!self::$enabled) { return self::$resultCache[$resultCacheKey] = $constraint->matches(new Constraint(self::$transOpInt[$operator], $version)); } $cacheKey = $operator.$constraint; if (!isset(self::$compiledCheckerCache[$cacheKey])) { $code = $constraint->compile($operator); self::$compiledCheckerCache[$cacheKey] = $function = eval('return function($v, $b){return '.$code.';};'); } else { $function = self::$compiledCheckerCache[$cacheKey]; } return self::$resultCache[$resultCacheKey] = $function($version, strpos($version, 'dev-') === 0); } }