PHP Conference Nagoya 2025

IntlChar::ord

(PHP 7, PHP 8)

IntlChar::ordReturn Unicode code point value of character

说明

public static IntlChar::ord(int|string $character): ?int

Returns the Unicode code point value of the given character.

This function complements IntlChar::chr().

参数

character

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 the Unicode code point value as an integer.

示例

示例 #1 Testing different code points

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

以上示例会输出:

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

参见

  • IntlChar::chr() - Return Unicode character by code point value
  • mb_ord() - 获取字符的 Unicode 码位值
  • ord() - 转换字符串第一个字节为 0-255 之间的值

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