Xes
73154ae174
Fuente: https://github.com/chamilo/chamilo-lms/releases/download/v1.11.40/chamilo-1.11.40.zip sha256: 1cf4bf2cc7bae1ef1a1eff643235db1d552f78ddf4b6dd1e2d2dac9868679439 Snapshot independiente (rama huerfana); diffable vs 1.11.38. vendor incluido.
99 lines
2.5 KiB
PHP
99 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Dotenv\Util;
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use GrahamCampbell\ResultType\Error;
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use GrahamCampbell\ResultType\Success;
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use PhpOption\Option;
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/**
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* @internal
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*/
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final class Str
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{
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/**
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* This class is a singleton.
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*
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* @codeCoverageIgnore
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*
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* @return void
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*/
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private function __construct()
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{
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//
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}
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/**
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* Convert a string to UTF-8 from the given encoding.
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*
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* @param string $input
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* @param string|null $encoding
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*
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* @return \GrahamCampbell\ResultType\Result<string,string>
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*/
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public static function utf8(string $input, ?string $encoding = null)
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{
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if ($encoding !== null && !\in_array($encoding, \mb_list_encodings(), true)) {
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/** @var \GrahamCampbell\ResultType\Result<string,string> */
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return Error::create(
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\sprintf('Illegal character encoding [%s] specified.', $encoding)
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);
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}
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$converted = $encoding === null ?
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@\mb_convert_encoding($input, 'UTF-8') :
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@\mb_convert_encoding($input, 'UTF-8', $encoding);
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/**
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* this is for support UTF-8 with BOM encoding
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* @see https://en.wikipedia.org/wiki/Byte_order_mark
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* @see https://github.com/vlucas/phpdotenv/issues/500
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*/
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if (\substr($converted, 0, 3) == "\xEF\xBB\xBF") {
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$converted = \substr($converted, 3);
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}
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/** @var \GrahamCampbell\ResultType\Result<string,string> */
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return Success::create($converted);
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}
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/**
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* Search for a given substring of the input.
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*
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* @param string $haystack
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* @param string $needle
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*
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* @return \PhpOption\Option<int>
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*/
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public static function pos(string $haystack, string $needle)
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{
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/** @var \PhpOption\Option<int> */
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return Option::fromValue(\mb_strpos($haystack, $needle, 0, 'UTF-8'), false);
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}
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/**
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* Grab the specified substring of the input.
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*
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* @param string $input
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* @param int $start
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* @param int|null $length
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*
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* @return string
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*/
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public static function substr(string $input, int $start, ?int $length = null)
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{
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return \mb_substr($input, $start, $length, 'UTF-8');
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}
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/**
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* Compute the length of the given string.
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*
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* @param string $input
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*
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* @return int
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*/
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public static function len(string $input)
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{
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return \mb_strlen($input, 'UTF-8');
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}
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}
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