PHP - Manual: UConverter

2024-12-23

UConverter::__construct »

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The UConverter class

(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

简介

类摘要

class UConverter {

/* Constants */

const int REASON_UNASSIGNED = 0;

const int REASON_ILLEGAL = 1;

const int REASON_IRREGULAR = 2;

const int REASON_RESET = 3;

const int REASON_CLOSE = 4;

const int REASON_CLONE = 5;

const int UNSUPPORTED_CONVERTER = -1;

const int SBCS = 0;

const int DBCS = 1;

const int MBCS = 2;

const int LATIN_1 = 3;

const int UTF8 = 4;

const int UTF16_BigEndian = 5;

const int UTF16_LittleEndian = 6;

const int UTF32_BigEndian = 7;

const int UTF32_LittleEndian = 8;

const int EBCDIC_STATEFUL = 9;

const int ISO_2022 = 10;

const int LMBCS_1 = 11;

const int LMBCS_2 = 12;

const int LMBCS_3 = 13;

const int LMBCS_4 = 14;

const int LMBCS_5 = 15;

const int LMBCS_6 = 16;

const int LMBCS_8 = 17;

const int LMBCS_11 = 18;

const int LMBCS_16 = 19;

const int LMBCS_17 = 20;

const int LMBCS_18 = 21;

const int LMBCS_19 = 22;

const int LMBCS_LAST = 22;

const int HZ = 23;

const int SCSU = 24;

const int ISCII = 25;

const int US_ASCII = 26;

const int UTF7 = 27;

const int BOCU1 = 28;

const int UTF16 = 29;

const int UTF32 = 30;

const int CESU8 = 31;

const int IMAP_MAILBOX = 32;

/* 方法 */

public __construct(?string $destination_encoding = null, ?string $source_encoding = null)

public convert(string $str, bool $reverse = false): string|false

public fromUCallback(
    int $reason,
    array $source,
    int $codePoint,
    int &$error
): string|int|array|null

public static getAliases(string $name): array|false|null

public static getAvailable(): array

public getDestinationEncoding(): string|false|null

public getDestinationType(): int|false|null

public getErrorCode(): int

public getErrorMessage(): ?string

public getSourceEncoding(): string|false|null

public getSourceType(): int|false|null

public static getStandards(): ?array

public getSubstChars(): string|false|null

public static reasonText(int $reason): string

public setDestinationEncoding(string $encoding): bool

public setSourceEncoding(string $encoding): bool

public setSubstChars(string $chars): bool

public toUCallback(
    int $reason,
    string $source,
    string $codeUnits,
    int &$error
): string|int|array|null

public static transcode(
    string $str,
    string $toEncoding,
    string $fromEncoding,
    ?array $options = null
): string|false

}

预定义常量

UConverter::REASON_UNASSIGNED
UConverter::REASON_ILLEGAL
UConverter::REASON_IRREGULAR
UConverter::REASON_RESET
UConverter::REASON_CLOSE
UConverter::REASON_CLONE
UConverter::UNSUPPORTED_CONVERTER
UConverter::SBCS
UConverter::DBCS
UConverter::MBCS
UConverter::LATIN_1
UConverter::UTF8
UConverter::UTF16_BigEndian
UConverter::UTF16_LittleEndian
UConverter::UTF32_BigEndian
UConverter::UTF32_LittleEndian
UConverter::EBCDIC_STATEFUL
UConverter::ISO_2022
UConverter::LMBCS_1
UConverter::LMBCS_2
UConverter::LMBCS_3
UConverter::LMBCS_4
UConverter::LMBCS_5
UConverter::LMBCS_6
UConverter::LMBCS_8
UConverter::LMBCS_11
UConverter::LMBCS_16
UConverter::LMBCS_17
UConverter::LMBCS_18
UConverter::LMBCS_19
UConverter::LMBCS_LAST
UConverter::HZ
UConverter::SCSU
UConverter::ISCII
UConverter::US_ASCII
UConverter::UTF7
UConverter::BOCU1
UConverter::UTF16
UConverter::UTF32
UConverter::CESU8
UConverter::IMAP_MAILBOX

UConverter::__construct — Create UConverter object
UConverter::convert — Convert string from one charset to another
UConverter::fromUCallback — Default "from" callback function
UConverter::getAliases — Get the aliases of the given name
UConverter::getAvailable — Get the available canonical converter names
UConverter::getDestinationEncoding — Get the destination encoding
UConverter::getDestinationType — Get the destination converter type
UConverter::getErrorCode — Get last error code on the object
UConverter::getErrorMessage — Get last error message on the object
UConverter::getSourceEncoding — Get the source encoding
UConverter::getSourceType — Get the source converter type
UConverter::getStandards — Get standards associated to converter names
UConverter::getSubstChars — Get substitution chars
UConverter::reasonText — Get string representation of the callback reason
UConverter::setDestinationEncoding — Set the destination encoding
UConverter::setSourceEncoding — Set the source encoding
UConverter::setSubstChars — Set the substitution chars
UConverter::toUCallback — Default "to" callback function
UConverter::transcode — Convert a string from one character encoding to another

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官方地址：https://www.php.net/manual/en/class.uconverter.php

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The UConverter class

简介

类摘要

预定义常量

目录

User Contributed Notes