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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of BiuradPHP opensource projects. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace BiuradPHP\Cache; |
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use ErrorException; |
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use LogicException; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionMethod; |
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use ReflectionNamedType; |
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use ReflectionProperty; |
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class Preloader |
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{ |
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private const PRELOAD_KEY_CACHE = 'preload_statistics'; |
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/** |
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* Append an array of classes to preload. |
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* |
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* @param string $file |
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* @param array<string> $list |
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*/ |
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public static function append(string $file, array $list): void |
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{ |
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if (!\file_exists($file)) { |
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throw new LogicException(\sprintf('File "%s" does not exist.', $file)); |
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} |
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$cacheDir = \dirname($file); |
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$classes = []; |
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foreach ($list as $item) { |
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if (0 === \strpos($item, $cacheDir)) { |
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\file_put_contents( |
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$file, |
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\sprintf("require_once __DIR__.%s;\n", \var_export(\substr($item, \strlen($cacheDir)), true)), |
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\FILE_APPEND |
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); |
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continue; |
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} |
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$classes[] = \sprintf("\$classes[] = %s;\n", \var_export($item, true)); |
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} |
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\file_put_contents( |
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$file, |
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\sprintf("\n\$classes = [];\n%sPreloader::preload(\$classes);\n", \implode('', $classes)), |
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\FILE_APPEND |
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); |
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} |
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/** |
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* Gives some informations about opcache preloading. |
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* |
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* @param string $type of 'functions', 'scripts' or 'classes' |
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* |
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* @return null|array<string,mixed> |
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*/ |
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public static function getStatus(string $type): ?array |
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{ |
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$opcacheStatus = (array) \opcache_get_status(); |
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return $opcacheStatus[self::PRELOAD_KEY_CACHE][$type] ?? null; |
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} |
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/** |
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* Returrns the opcache preload statistics |
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* |
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* @return null|array<string,mixed> |
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*/ |
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public static function getStatistics(): ?array |
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{ |
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$opcacheStatus = (array) \opcache_get_status(); |
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return $opcacheStatus[self::PRELOAD_KEY_CACHE] ?? null; |
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} |
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/** |
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* @param array<string> $classes |
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*/ |
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public static function preload(array $classes): void |
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{ |
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\set_error_handler([__CLASS__, 'errorHandler']); |
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$prev = []; |
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$preloaded = []; |
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try { |
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while ($prev !== $classes) { |
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$prev = $classes; |
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foreach ($classes as $c) { |
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if (!isset($preloaded[$c])) { |
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self::doPreload($c, $preloaded); |
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} |
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} |
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$classes = \array_merge(\get_declared_classes(), \get_declared_interfaces(), \get_declared_traits()); |
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} |
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} finally { |
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\restore_error_handler(); |
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} |
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} |
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/** |
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* @param string $class |
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* @param array<string,bool> $preloaded |
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*/ |
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private static function doPreload(string $class, array &$preloaded): void |
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{ |
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if (isset($preloaded[$class]) || \in_array($class, ['self', 'static', 'parent'], true)) { |
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return; |
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} |
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$preloaded[$class] = true; |
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try { |
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$r = new ReflectionClass($class); |
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if ($r->isInternal()) { |
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return; |
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} |
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$r->getConstants(); |
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$r->getDefaultProperties(); |
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if (\PHP_VERSION_ID >= 70400) { |
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foreach ($r->getProperties(ReflectionProperty::IS_PUBLIC) as $p) { |
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if (($t = $p->getType()) && !$t->isBuiltin()) { |
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\assert($t instanceof ReflectionNamedType); |
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self::doPreload($t->getName(), $preloaded); |
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} |
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} |
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} |
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foreach ($r->getMethods(ReflectionMethod::IS_PUBLIC) as $m) { |
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foreach ($m->getParameters() as $p) { |
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if ($p->isDefaultValueAvailable() && $p->isDefaultValueConstant()) { |
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$c = (string) $p->getDefaultValueConstantName(); |
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if ($i = \strpos($c, '::')) { |
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self::doPreload(\substr($c, 0, $i), $preloaded); |
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} |
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} |
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if (($t = $p->getType()) && !$t->isBuiltin()) { |
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\assert($t instanceof ReflectionNamedType); |
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self::doPreload($t->getName(), $preloaded); |
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} |
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} |
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if (($t = $m->getReturnType()) && !$t->isBuiltin()) { |
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\assert($t instanceof ReflectionNamedType); |
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self::doPreload($t->getName(), $preloaded); |
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} |
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} |
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} catch (ReflectionException $e) { |
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// ignore missing classes |
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} |
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} |
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private static function errorHandler(int $type, string $message, string $file, int $line): bool |
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{ |
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if (\error_reporting() & $type) { |
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if (__FILE__ !== $file) { |
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throw new ErrorException($message, 0, $type, $file, $line); |
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} |
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throw new ReflectionException($message); |
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} |
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return false; |
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} |
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} |
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biurad /
php-cache
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.