PHP - Manual: IntlChar::getBlockCode
2024-12-22
(PHP 7, PHP 8)
IntlChar::getBlockCode — Get the Unicode allocation block containing a code point
$codepoint
): ?intReturns the Unicode allocation block that contains the character.
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}"
)
Returns the block value for codepoint
.
See the IntlChar::BLOCK_CODE_*
constants for possible return values. Returns null
on failure.
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);
?>
以上例程会输出:
bool(true) bool(true) bool(true)
官方地址:https://www.php.net/manual/en/intlchar.getblockcode.php