<?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\Yaml;

/**
 * Escaper encapsulates escaping rules for single and double-quoted
 * YAML strings.
 *
 * @author Matthew Lewinski <matthew@lewinski.org>
 *
 * @internal
 */
class Escaper
{
    // Characters that would cause a dumped string to require double quoting.
    public const REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\x7f|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";

    // Mapping arrays for escaping a double quoted string. The backslash is
    // first to ensure proper escaping because str_replace operates iteratively
    // on the input arrays. This ordering of the characters avoids the use of strtr,
    // which performs more slowly.
    private const ESCAPEES = [
        '\\', '\\\\', '\\"', '"',
        "\x00",  "\x01",  "\x02",  "\x03",  "\x04",  "\x05",  "\x06",  "\x07",
        "\x08",  "\x09",  "\x0a",  "\x0b",  "\x0c",  "\x0d",  "\x0e",  "\x0f",
        "\x10",  "\x11",  "\x12",  "\x13",  "\x14",  "\x15",  "\x16",  "\x17",
        "\x18",  "\x19",  "\x1a",  "\x1b",  "\x1c",  "\x1d",  "\x1e",  "\x1f",
        "\x7f",
        "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9",
    ];
    private const ESCAPED = [
        '\\\\', '\\"', '\\\\', '\\"',
        '\\0',   '\\x01', '\\x02', '\\x03', '\\x04', '\\x05', '\\x06', '\\a',
        '\\b',   '\\t',   '\\n',   '\\v',   '\\f',   '\\r',   '\\x0e', '\\x0f',
        '\\x10', '\\x11', '\\x12', '\\x13', '\\x14', '\\x15', '\\x16', '\\x17',
        '\\x18', '\\x19', '\\x1a', '\\e',   '\\x1c', '\\x1d', '\\x1e', '\\x1f',
        '\\x7f',
        '\\N', '\\_', '\\L', '\\P',
    ];

    /**
     * Determines if a PHP value would require double quoting in YAML.
     *
     * @param string $value A PHP value
     */
    public static function requiresDoubleQuoting(string $value): bool
    {
        return 0 < preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value);
    }

    /**
     * Escapes and surrounds a PHP value with double quotes.
     *
     * @param string $value A PHP value
     */
    public static function escapeWithDoubleQuotes(string $value): string
    {
        return \sprintf('"%s"', str_replace(self::ESCAPEES, self::ESCAPED, $value));
    }

    /**
     * Determines if a PHP value would require single quoting in YAML.
     *
     * @param string $value A PHP value
     */
    public static function requiresSingleQuoting(string $value): bool
    {
        // Determines if a PHP value is entirely composed of a value that would
        // require single quoting in YAML.
        if (\in_array(strtolower($value), ['null', '~', 'true', 'false', 'y', 'n', 'yes', 'no', 'on', 'off'])) {
            return true;
        }

        // Determines if the PHP value contains any single characters that would
        // cause it to require single quoting in YAML.
        return 0 < preg_match('/[\s\'"\:\{\}\[\],&\*\#\?] | \A[\-?|<>=!%@`\p{Zs}]/xu', $value);
    }

    /**
     * Escapes and surrounds a PHP value with single quotes.
     *
     * @param string $value A PHP value
     */
    public static function escapeWithSingleQuotes(string $value): string
    {
        return \sprintf("'%s'", str_replace('\'', '\'\'', $value));
    }
}

• [D] Command
• [D] Exception
• [D] Resources
• [D] Tag
• [F] CHANGELOG.md
  Delete
• [F] composer.json
  Delete
• [F] Dumper.php
  Delete
• [F] Escaper.php
  Delete
• [F] Inline.php
  Delete
• [F] LICENSE
  Delete
• [F] Parser.php
  Delete
• [F] README.md
  Delete
• [F] Unescaper.php
  Delete
• [F] Yaml.php
  Delete

CUSTOMER COMPLAINT FORM

Please use this form to give us suggestions, compliments or complaints.
Click here to check complaint status.
Click here to show Term of Business Agreement

• Config option 1
• Config option 2

Salutation *

-- Please Choose -- Mr. Mrs. Ms. PT. CV. UD.

Name *

E-mail *

Account Type *

-- Please Choose -- Individual Company

Company Name *

Reference Number of Type Document *

-- Please Choose -- Policy Contract Invoice Number

*

About *

-- Please Choose -- Claim Service System

Risk *

-- Please Choose --

Subject *

Details *

Attachment

Add Attachment

Notes: *.png, *.jpg, *.jpeg, *.pdf, *.doc, *.docx, *.xls, *.xlsx, *.ppt, *.pptx, *.eml are allowed, and size must be smaller than 5Mb.

   Disclaimer :

• The information filled in form is true and valid. PT Howden Insurance Brokers Indonesia is not liable to any lawful obligations arising from any false or invalid information in this application form whatsoever, all the false or invalid information will not be processed.
• The client hereby agree to render PT Howden Insurance Brokers Indonesia a right to handle complaint including but not limited to grab data from records, emails, documents, confidential data, and others, liaise with relatable Parties e.g. (Insurer, Adjuster, Legal Advisor, etc) to settled complaint.
• The client hereby released PT Howden Insurance Brokers Indonesia from any material or immaterial damages if eventually, there is no evidence of damages caused by PT Howden Insurance Brokers Indonesia.

* is required

Clear Submit

Copyright © 2026 PT. Howden Insurance Brokers Indonesia. All rights reserved.
Authorised and regulated by Otoritas Jasa Keuangan (OJK).
Member of The Association of Indonesian Insurance & Reinsurance Brokers (APPARINDO).