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admin/phpMyAdmin/vendor/symfony/dependency-injection/Dumper/Preloader.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Dumper;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+class Preloader
+{
+    public static function preload(array $classes)
+    {
+        set_error_handler(function ($t, $m, $f, $l) {
+            if (error_reporting() & $t) {
+                if (__FILE__ !== $f) {
+                    throw new \ErrorException($m, 0, $t, $f, $l);
+                }
+
+                throw new \ReflectionException($m);
+            }
+        });
+
+        $prev = [];
+        $preloaded = [];
+
+        try {
+            while ($prev !== $classes) {
+                $prev = $classes;
+                foreach ($classes as $c) {
+                    if (!isset($preloaded[$c])) {
+                        self::doPreload($c, $preloaded);
+                    }
+                }
+                $classes = array_merge(get_declared_classes(), get_declared_interfaces(), get_declared_traits());
+            }
+        } finally {
+            restore_error_handler();
+        }
+    }
+
+    private static function doPreload(string $class, array &$preloaded): void
+    {
+        if (isset($preloaded[$class]) || \in_array($class, ['self', 'static', 'parent'], true)) {
+            return;
+        }
+
+        $preloaded[$class] = true;
+
+        try {
+            $r = new \ReflectionClass($class);
+
+            if ($r->isInternal()) {
+                return;
+            }
+
+            $r->getConstants();
+            $r->getDefaultProperties();
+
+            if (\PHP_VERSION_ID >= 70400) {
+                foreach ($r->getProperties(\ReflectionProperty::IS_PUBLIC) as $p) {
+                    self::preloadType($p->getType(), $preloaded);
+                }
+            }
+
+            foreach ($r->getMethods(\ReflectionMethod::IS_PUBLIC) as $m) {
+                foreach ($m->getParameters() as $p) {
+                    if ($p->isDefaultValueAvailable() && $p->isDefaultValueConstant()) {
+                        $c = $p->getDefaultValueConstantName();
+
+                        if ($i = strpos($c, '::')) {
+                            self::doPreload(substr($c, 0, $i), $preloaded);
+                        }
+                    }
+
+                    self::preloadType($p->getType(), $preloaded);
+                }
+
+                self::preloadType($m->getReturnType(), $preloaded);
+            }
+        } catch (\Throwable $e) {
+            // ignore missing classes
+        }
+    }
+
+    private static function preloadType(?\ReflectionType $t, array &$preloaded): void
+    {
+        if (!$t) {
+            return;
+        }
+
+        foreach ($t instanceof \ReflectionUnionType ? $t->getTypes() : [$t] as $t) {
+            if (!$t->isBuiltin()) {
+                self::doPreload($t instanceof \ReflectionNamedType ? $t->getName() : $t, $preloaded);
+            }
+        }
+    }
+}