IntlChar
PHP Manual

IntlChar::charType

(PHP 7)

IntlChar::charTypeGet the general category value for a code point

说明

public static int IntlChar::charType ( mixed $codepoint )

Returns the general category value for the code point.

参数

codepoint

The integer 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 general category type, which may be one of the following constants:

范例

Example #1 Testing different code points

<?php
var_dump
(IntlChar::charType("A") === IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER);
var_dump(IntlChar::charType(".") === IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);
var_dump(IntlChar::charType("\t") === IntlChar::CHAR_CATEGORY_CONTROL_CHAR);
var_dump(IntlChar::charType("\u{2603}") === IntlChar::CHAR_CATEGORY_OTHER_SYMBOL);
?>

以上例程会输出:

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

IntlChar
PHP Manual