Unicode rune handling in multiple languages

unicode_rune_handling.go

package main

import (
	"fmt"
	"unicode/utf8"
)

const strangeMessage = "TᕼIᔕ ᗰᕮᔕᔕᗩGᕮ Iᔕ ᑭᖇOTᕮᑕTᕮᗪ ᗷY ᗩ ᔕᑭᕮᑕIᗩᒪ ᖴOᑎT. IT'ᔕ IᗰᑭOᔕᔕIᗷᒪᕮ TO ᑕOᑭY IT. TᖇY ᗩᑎᗪ YOᑌ ᗯIᒪᒪ ᖴᗩIᒪ"

func main() {
	fmt.Println(strangeMessage + "\n")

	for _, rune := range strangeMessage {
		fmt.Printf(
			"Char: %1q\t\tCode-point: %4d\t\tSize: %1d\t\tValid: %t\n",
			string(rune),
			rune,
			utf8.RuneLen(rune),
			utf8.ValidRune(rune),
		)
	}
}

unicode_rune_handling.php

<?php

const STRANGE_MESSAGE = "TᕼIᔕ ᗰᕮᔕᔕᗩGᕮ Iᔕ ᑭᖇOTᕮᑕTᕮᗪ ᗷY ᗩ ᔕᑭᕮᑕIᗩᒪ ᖴOᑎT. IT'ᔕ IᗰᑭOᔕᔕIᗷᒪᕮ TO ᑕOᑭY IT. TᖇY ᗩᑎᗪ YOᑌ ᗯIᒪᒪ ᖴᗩIᒪ";

echo STRANGE_MESSAGE . PHP_EOL;

for ($i = 0; $i < mb_strlen(STRANGE_MESSAGE); $i++) {
    $char = mb_substr(STRANGE_MESSAGE, $i, 1);
    
    printf(
        "Char: %1s\t\tCode-point: %4d\t\tSize: %1d\t\tValid: %s\n",
        $char,
        IntlChar::ord($char),
        strlen($char),
        IntlChar::getIntPropertyValue($char, IntlChar::PROPERTY_INVALID_CODE) ? 'false' : true
    );
}