103 lines
3.0 KiB
PHP
103 lines
3.0 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\Yaml;
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use Symfony\Component\Yaml\Exception\ParseException;
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/**
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* Yaml offers convenience methods to load and dump YAML.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @final
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*/
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class Yaml
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{
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public const DUMP_OBJECT = 1;
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public const PARSE_EXCEPTION_ON_INVALID_TYPE = 2;
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public const PARSE_OBJECT = 4;
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public const PARSE_OBJECT_FOR_MAP = 8;
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public const DUMP_EXCEPTION_ON_INVALID_TYPE = 16;
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public const PARSE_DATETIME = 32;
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public const DUMP_OBJECT_AS_MAP = 64;
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public const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;
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public const PARSE_CONSTANT = 256;
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public const PARSE_CUSTOM_TAGS = 512;
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public const DUMP_EMPTY_ARRAY_AS_SEQUENCE = 1024;
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public const DUMP_NULL_AS_TILDE = 2048;
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/**
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* Parses a YAML file into a PHP value.
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*
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* Usage:
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*
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* $array = Yaml::parseFile('config.yml');
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* print_r($array);
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*
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* @param string $filename The path to the YAML file to be parsed
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* @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
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*
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* @return mixed The YAML converted to a PHP value
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*
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* @throws ParseException If the file could not be read or the YAML is not valid
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*/
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public static function parseFile(string $filename, int $flags = 0)
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{
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$yaml = new Parser();
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return $yaml->parseFile($filename, $flags);
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}
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/**
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* Parses YAML into a PHP value.
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*
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* Usage:
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* <code>
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* $array = Yaml::parse(file_get_contents('config.yml'));
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* print_r($array);
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* </code>
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*
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* @param string $input A string containing YAML
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* @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
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*
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* @return mixed The YAML converted to a PHP value
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*
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* @throws ParseException If the YAML is not valid
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*/
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public static function parse(string $input, int $flags = 0)
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{
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$yaml = new Parser();
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return $yaml->parse($input, $flags);
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}
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/**
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* Dumps a PHP value to a YAML string.
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*
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* The dump method, when supplied with an array, will do its best
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* to convert the array into friendly YAML.
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*
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* @param mixed $input The PHP value
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* @param int $inline The level where you switch to inline YAML
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* @param int $indent The amount of spaces to use for indentation of nested nodes
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* @param int $flags A bit field of DUMP_* constants to customize the dumped YAML string
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*
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* @return string A YAML string representing the original PHP value
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*/
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public static function dump($input, int $inline = 2, int $indent = 4, int $flags = 0): string
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{
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$yaml = new Dumper($indent);
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return $yaml->dump($input, $inline, 0, $flags);
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}
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}
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