How to convert this function in php?

[vihatsoft]

hi,
can some one help me for convert bellow python function in php and that also work with none English characters sms.

  def hex2utf(string):
            length = len(string) // 4
            result = ''
            for i in range(length):
                result += chr(int(string[i*4:i*4+4], 16))
            return result

when i try bellow php function but show unsupported characters � � � � � � when sms in none English characters.

function hexToStr($hex){
    $string='';
    for ($i=0; $i < strlen($hex)-1; $i+=2){
        $string .= chr(hexdec(($hex[$i].$hex[$i+1])));
    }
    return $string;
}

Thank you,

[ngarafol]

Not a php guy, but chatgpt claims this is the php equivalent :)

function hex2utf($string) {
    $length = strlen($string) / 4;
    $result = '';
    for ($i = 0; $i < $length; $i++) {
        $result .= chr(hexdec(substr($string, $i * 4, 4)));
    }
    return $result;
}

[vihatsoft]

okay, thank you

[ngarafol]

@vihatsoft Did it work? If yes, can you close the issue please?

[vihatsoft]

@vihatsoft Did it work? If yes, can you close the issue please?

when i try show unsupported characters � � � � � � when sms in none English characters.
after this problem i use bellow python script, and working fine for none English SMS characters.
https://github.com/Kajkac/ZTE-MC-Home-assistant/blob/master/python_scripts%2Fzte_tool.py