(PHP 7, PHP 8)
IntlChar::isUAlphabetic — Check if code point has the Alphabetic Unicode property
$codepoint): ?boolCheck if a code point has the Alphabetic Unicode property.
This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_ALPHABETIC)
codepointThe int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
Returns true if
codepoint has the Alphabetic Unicode property, false if not. Returns null on failure.
示例 #1 Testing different code points
<?php
var_dump(IntlChar::isUAlphabetic("A"));
var_dump(IntlChar::isUAlphabetic("1"));
var_dump(IntlChar::isUAlphabetic("\u{2603}"));
?>以上示例会输出：
bool(true) bool(false) bool(false)
IntlChar::PROPERTY_ALPHABETIC