charat in PHP convert non-English characters into code -

This is basically URL decoding to the decimal code but nothing in PHP works how you'd expect it.

Here are online tools to verify and check your work, it's important when querying databases with non-English characters:

http://yehg.net/encoding/index.php#

http://meyerweb.com/eric/tools/dencoder/

http://www.codetable.net/decimal/65398

Japanese:

http://symbolcodes.tlt.psu.edu/bylanguage/japanesechartkatakana.html

Charat code for PHP:

http://eqcode.com/wiki/CharCodeAt

function charCodeAt($str, $num) { return utf8_ord(utf8_charAt($str, $num)); }
function utf8_ord($ch) {
  $len = strlen($ch);
  if($len <= 0) return false;
  $h = ord($ch{0});
  if ($h <= 0x7F) return $h;
  if ($h < 0xC2) return false;
  if ($h <= 0xDF && $len>1) return ($h & 0x1F) <<  6 | (ord($ch{1}) & 0x3F);
  if ($h <= 0xEF && $len>2) return ($h & 0x0F) << 12 | (ord($ch{1}) & 0x3F) << 6 | (ord($ch{2}) & 0x3F);          
  if ($h <= 0xF4 && $len>3) return ($h & 0x0F) << 18 | (ord($ch{1}) & 0x3F) << 12 | (ord($ch{2}) & 0x3F) << 6 | (ord($ch{3}) & 0x3F);
  return false;
}
function utf8_charAt($str, $num) { return mb_substr($str, $num, 1, 'UTF-8'); }
 
$str = "A가★あ中";
$code = charCodeAt($str, 2);
echo $code; // 9733

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charat in PHP convert non-English characters into code

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