| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170 | <?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\VarDumper\Caster;use Symfony\Component\VarDumper\Cloner\Stub;/** * Helper for filtering out properties in casters. * * @author Nicolas Grekas <p@tchwork.com> * * @final */class Caster{    public const EXCLUDE_VERBOSE = 1;    public const EXCLUDE_VIRTUAL = 2;    public const EXCLUDE_DYNAMIC = 4;    public const EXCLUDE_PUBLIC = 8;    public const EXCLUDE_PROTECTED = 16;    public const EXCLUDE_PRIVATE = 32;    public const EXCLUDE_NULL = 64;    public const EXCLUDE_EMPTY = 128;    public const EXCLUDE_NOT_IMPORTANT = 256;    public const EXCLUDE_STRICT = 512;    public const PREFIX_VIRTUAL = "\0~\0";    public const PREFIX_DYNAMIC = "\0+\0";    public const PREFIX_PROTECTED = "\0*\0";    /**     * Casts objects to arrays and adds the dynamic property prefix.     *     * @param bool $hasDebugInfo Whether the __debugInfo method exists on $obj or not     */    public static function castObject(object $obj, string $class, bool $hasDebugInfo = false, string $debugClass = null): array    {        if ($hasDebugInfo) {            try {                $debugInfo = $obj->__debugInfo();            } catch (\Throwable $e) {                // ignore failing __debugInfo()                $hasDebugInfo = false;            }        }        $a = $obj instanceof \Closure ? [] : (array) $obj;        if ($obj instanceof \__PHP_Incomplete_Class) {            return $a;        }        if ($a) {            static $publicProperties = [];            $debugClass = $debugClass ?? get_debug_type($obj);            $i = 0;            $prefixedKeys = [];            foreach ($a as $k => $v) {                if ("\0" !== ($k[0] ?? '')) {                    if (!isset($publicProperties[$class])) {                        foreach ((new \ReflectionClass($class))->getProperties(\ReflectionProperty::IS_PUBLIC) as $prop) {                            $publicProperties[$class][$prop->name] = true;                        }                    }                    if (!isset($publicProperties[$class][$k])) {                        $prefixedKeys[$i] = self::PREFIX_DYNAMIC.$k;                    }                } elseif ($debugClass !== $class && 1 === strpos($k, $class)) {                    $prefixedKeys[$i] = "\0".$debugClass.strrchr($k, "\0");                }                ++$i;            }            if ($prefixedKeys) {                $keys = array_keys($a);                foreach ($prefixedKeys as $i => $k) {                    $keys[$i] = $k;                }                $a = array_combine($keys, $a);            }        }        if ($hasDebugInfo && \is_array($debugInfo)) {            foreach ($debugInfo as $k => $v) {                if (!isset($k[0]) || "\0" !== $k[0]) {                    if (\array_key_exists(self::PREFIX_DYNAMIC.$k, $a)) {                        continue;                    }                    $k = self::PREFIX_VIRTUAL.$k;                }                unset($a[$k]);                $a[$k] = $v;            }        }        return $a;    }    /**     * Filters out the specified properties.     *     * By default, a single match in the $filter bit field filters properties out, following an "or" logic.     * When EXCLUDE_STRICT is set, an "and" logic is applied: all bits must match for a property to be removed.     *     * @param array    $a                The array containing the properties to filter     * @param int      $filter           A bit field of Caster::EXCLUDE_* constants specifying which properties to filter out     * @param string[] $listedProperties List of properties to exclude when Caster::EXCLUDE_VERBOSE is set, and to preserve when Caster::EXCLUDE_NOT_IMPORTANT is set     * @param int|null &$count           Set to the number of removed properties     */    public static function filter(array $a, int $filter, array $listedProperties = [], ?int &$count = 0): array    {        $count = 0;        foreach ($a as $k => $v) {            $type = self::EXCLUDE_STRICT & $filter;            if (null === $v) {                $type |= self::EXCLUDE_NULL & $filter;                $type |= self::EXCLUDE_EMPTY & $filter;            } elseif (false === $v || '' === $v || '0' === $v || 0 === $v || 0.0 === $v || [] === $v) {                $type |= self::EXCLUDE_EMPTY & $filter;            }            if ((self::EXCLUDE_NOT_IMPORTANT & $filter) && !\in_array($k, $listedProperties, true)) {                $type |= self::EXCLUDE_NOT_IMPORTANT;            }            if ((self::EXCLUDE_VERBOSE & $filter) && \in_array($k, $listedProperties, true)) {                $type |= self::EXCLUDE_VERBOSE;            }            if (!isset($k[1]) || "\0" !== $k[0]) {                $type |= self::EXCLUDE_PUBLIC & $filter;            } elseif ('~' === $k[1]) {                $type |= self::EXCLUDE_VIRTUAL & $filter;            } elseif ('+' === $k[1]) {                $type |= self::EXCLUDE_DYNAMIC & $filter;            } elseif ('*' === $k[1]) {                $type |= self::EXCLUDE_PROTECTED & $filter;            } else {                $type |= self::EXCLUDE_PRIVATE & $filter;            }            if ((self::EXCLUDE_STRICT & $filter) ? $type === $filter : $type) {                unset($a[$k]);                ++$count;            }        }        return $a;    }    public static function castPhpIncompleteClass(\__PHP_Incomplete_Class $c, array $a, Stub $stub, bool $isNested): array    {        if (isset($a['__PHP_Incomplete_Class_Name'])) {            $stub->class .= '('.$a['__PHP_Incomplete_Class_Name'].')';            unset($a['__PHP_Incomplete_Class_Name']);        }        return $a;    }}
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