IntlChar::getBlockCode

(PHP 7, PHP 8)

IntlChar::getBlockCode — Get the Unicode allocation block containing a code point

说明

public static IntlChar::getBlockCode(int|string $codepoint): ?int

Returns the Unicode allocation block that contains the character.

参数

codepoint: The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

返回值

Returns the block value for codepoint. See the IntlChar::BLOCK_CODE_* constants for possible return values. Returns null on failure.

示例

示例 #1 Testing different code points

<?php
var_dump(IntlChar::getBlockCode("A") === IntlChar::BLOCK_CODE_BASIC_LATIN);
var_dump(IntlChar::getBlockCode("Φ") === IntlChar::BLOCK_CODE_GREEK);
var_dump(IntlChar::getBlockCode("\u{2603}") === IntlChar::BLOCK_CODE_MISCELLANEOUS_SYMBOLS);
?>

以上示例会输出：

bool(true)
bool(true)
bool(true)