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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\VarDumper\Dumper;

use Symfony\Component\VarDumper\Cloner\Data;
use Symfony\Component\VarDumper\Cloner\DumperInterface;

/**
 * Abstract mechanism for dumping a Data object.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
abstract class AbstractDumper implements DataDumperInterface, DumperInterface
{
    public const DUMP_LIGHT_ARRAY = 1;
    public const DUMP_STRING_LENGTH = 2;
    public const DUMP_COMMA_SEPARATOR = 4;
    public const DUMP_TRAILING_COMMA = 8;

/** @var callable|resource|string|null */
    public static $defaultOutput = 'php://output';

protected string $line = '';
    /** @var callable|null */
    protected $lineDumper;
    /** @var resource|null */
    protected $outputStream;
    protected string $decimalPoint = '.';
    protected string $indentPad = '  ';

private string $charset = '';

/**
     * @param callable|resource|string|null $output  A line dumper callable, an opened stream or an output path, defaults to static::$defaultOutput
     * @param string|null                   $charset The default character encoding to use for non-UTF8 strings
     * @param int                           $flags   A bit field of static::DUMP_* constants to fine tune dumps representation
     */
    public function __construct(
        $output = null,
        ?string $charset = null,
        protected int $flags = 0,
    ) {
        $this->setCharset($charset ?: \ini_get('php.output_encoding') ?: \ini_get('default_charset') ?: 'UTF-8');
        $this->setOutput($output ?: static::$defaultOutput);
        if (!$output && \is_string(static::$defaultOutput)) {
            static::$defaultOutput = $this->outputStream;
        }
    }

/**
     * Sets the output destination of the dumps.
     *
     * @param callable|resource|string|null $output A line dumper callable, an opened stream or an output path
     *
     * @return callable|resource|string|null The previous output destination
     */
    public function setOutput($output)
    {
        $prev = $this->outputStream ?? $this->lineDumper;

if (\is_callable($output)) {
            $this->outputStream = null;
            $this->lineDumper = $output;
        } else {
            if (\is_string($output)) {
                $output = fopen($output, 'w');
            }
            $this->outputStream = $output;
            $this->lineDumper = $this->echoLine(...);
        }

return $prev;
    }

/**
     * Sets the default character encoding to use for non-UTF8 strings.
     *
     * @return string The previous charset
     */
    public function setCharset(string $charset): string
    {
        $prev = $this->charset;

$charset = strtoupper($charset);
        $charset = 'UTF-8' === $charset || 'UTF8' === $charset ? 'CP1252' : $charset;

$this->charset = $charset;

return $prev;
    }

/**
     * Sets the indentation pad string.
     *
     * @param string $pad A string that will be prepended to dumped lines, repeated by nesting level
     *
     * @return string The previous indent pad
     */
    public function setIndentPad(string $pad): string
    {
        $prev = $this->indentPad;
        $this->indentPad = $pad;

return $prev;
    }

/**
     * Dumps a Data object.
     *
     * @param callable|resource|string|true|null $output A line dumper callable, an opened stream, an output path or true to return the dump
     *
     * @return string|null The dump as string when $output is true
     */
    public function dump(Data $data, $output = null): ?string
    {
        if ($locale = $this->flags & (self::DUMP_COMMA_SEPARATOR | self::DUMP_TRAILING_COMMA) ? setlocale(\LC_NUMERIC, 0) : null) {
            setlocale(\LC_NUMERIC, 'C');
        }

if ($returnDump = true === $output) {
            $output = fopen('php://memory', 'r+');
        }
        if ($output) {
            $prevOutput = $this->setOutput($output);
        }
        try {
            $data->dump($this);
            $this->dumpLine(-1);

if ($returnDump) {
                $result = stream_get_contents($output, -1, 0);
                fclose($output);

return $result;
            }
        } finally {
            if ($output) {
                $this->setOutput($prevOutput);
            }
            if ($locale) {
                setlocale(\LC_NUMERIC, $locale);
            }
        }

return null;
    }

/**
     * Dumps the current line.
     *
     * @param int $depth The recursive depth in the dumped structure for the line being dumped,
     *                   or -1 to signal the end-of-dump to the line dumper callable
     */
    protected function dumpLine(int $depth): void
    {
        ($this->lineDumper)($this->line, $depth, $this->indentPad);
        $this->line = '';
    }

/**
     * Generic line dumper callback.
     */
    protected function echoLine(string $line, int $depth, string $indentPad): void
    {
        if (-1 !== $depth) {
            fwrite($this->outputStream, str_repeat($indentPad, $depth).$line."\n");
        }
    }

/**
     * Converts a non-UTF-8 string to UTF-8.
     */
    protected function utf8Encode(?string $s): ?string
    {
        if (null === $s || preg_match('//u', $s)) {
            return $s;
        }

if (\function_exists('iconv')) {
            if (false !== $c = @iconv($this->charset, 'UTF-8', $s)) {
                return $c;
            }
            if ('CP1252' !== $this->charset && false !== $c = @iconv('CP1252', 'UTF-8', $s)) {
                return $c;
            }
        }

$s .= $s;
        $len = \strlen($s);
        $mapCp1252 = false;

for ($i = $len >> 1, $j = 0; $i < $len; ++$i, ++$j) {
            if ($s[$i] < "\x80") {
                $s[$j] = $s[$i];
            } elseif ($s[$i] < "\xC0") {
                $s[$j] = "\xC2";
                $s[++$j] = $s[$i];
                if ($s[$i] < "\xA0") {
                    $mapCp1252 = true;
                }
            } else {
                $s[$j] = "\xC3";
                $s[++$j] = \chr(\ord($s[$i]) - 64);
            }
        }

$s = substr($s, 0, $j);

if (!$mapCp1252) {
            return $s;
        }

return strtr($s, [
            "\xC2\x80" => '€', "\xC2\x82" => '‚', "\xC2\x83" => 'ƒ', "\xC2\x84" => '„',
            "\xC2\x85" => '…', "\xC2\x86" => '†', "\xC2\x87" => '‡', "\xC2\x88" => 'ˆ',
            "\xC2\x89" => '‰', "\xC2\x8A" => 'Š', "\xC2\x8B" => '‹', "\xC2\x8C" => 'Œ',
            "\xC2\x8D" => 'Ž', "\xC2\x91" => '‘', "\xC2\x92" => '’', "\xC2\x93" => '“',
            "\xC2\x94" => '”', "\xC2\x95" => '•', "\xC2\x96" => '–', "\xC2\x97" => '—',
            "\xC2\x98" => '˜', "\xC2\x99" => '™', "\xC2\x9A" => 'š', "\xC2\x9B" => '›',
            "\xC2\x9C" => 'œ', "\xC2\x9E" => 'ž',
        ]);
    }
}

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⬅ Naik ke var-dumper 7 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁ContextProvider	dir	—	2025-10-25 15:30	📂 Buka
🐘AbstractDumper.php	php	7 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘CliDumper.php	php	23.2 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘ContextualizedDumper.php	php	1.1 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘DataDumperInterface.php	php	548 B	2025-10-25 15:30	✏️ Edit 👁️ View
🐘HtmlDumper.php	php	33.8 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘ServerDumper.php	php	1.5 KB	2025-10-25 15:30	✏️ Edit 👁️ View