IntlChar::ord()

版本：php7

(PHP 7)

Return Unicode code point value of character

说明

publicstaticIntlChar::ord(mixed $character): int

Returns the Unicode code point value of the given character.

This function compliments IntlChar::chr().

参数

$character

A Unicode character.

返回值

Returns the Unicode code point value as an integer.

范例

Testing different code points

<?php
var_dump(IntlChar::ord("A"));
var_dump(IntlChar::ord(" "));
var_dump(IntlChar::ord("\u{2603}"));
?>

以上例程会输出：

int(65)
int(32)
int(9731)

参见

• IntlChar::isalnum() Check if code point is an alphanumeric character
• IntlChar::isdigit() Check if code point is a digit character
• IntlChar::chr() Return Unicode character by code point value
• ord()转换字符串第一个字节为 0-255 之间的值