IntlChar::ispunct

(PHP 7, PHP 8)

IntlChar::ispunct — Check if code point is punctuation character

说明

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

Determines whether the specified code point is a punctuation character.

true for characters with general categories "P" (punctuation).

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 true if codepoint is a punctuation character, false if not. Returns null on failure.

范例

示例 #1 Testing different code points

<?php
var_dump(IntlChar::ispunct("."));
var_dump(IntlChar::ispunct(","));
var_dump(IntlChar::ispunct("\n"));
var_dump(IntlChar::ispunct("$"));

以上例程会输出：

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