function checkKSWANSUNGHangulCode($str) {
for($i=0; $i < strlen($str) ; $i++) {
$tmpStr = substr($str,$i,1);
if(ord($tmpStr) >= 0x80) {
$tmpStr = substr($str,$i,2);
$i++;
} else {
return false;
}
if(!isHangul($tmpStr)) return false;
}
return true;
}
function isHangul($char) {
if(strlen($char) != 2) return false;
$hangulArray = Array(
"B0A1","B0A2","B0A3","B0A4","B0A5","B0A6","B0A7","B0A8","B0A9","B0AA","B0AB","B0AC","B0AD","B0AE","B0AF",
"B0B0","B0B1","B0B2","B0B3","B0B4","B0B5","B0B6","B0B7","B0B8","B0B9","B0BA","B0BB","B0BC","B0BD","B0BE","B0BF",
"B0C0","B0C1","B0C2","B0C3","B0C4","B0C5","B0C6","B0C7","B0C8","B0C9","B0CA","B0CB","B0CC","B0CD","B0CE","B0CF",
"B0D0","B0D1","B0D2","B0D3","B0D4","B0D5","B0D6","B0D7","B0D8","B0D9","B0DA","B0DB","B0DC","B0DD","B0DE","B0DF",
"B0E0","B0E1","B0E2","B0E3","B0E4","B0E5","B0E6","B0E7","B0E8","B0E9","B0EA","B0EB","B0EC","B0ED","B0EE","B0EF",
"B0F0","B0F1","B0F2","B0F3","B0F4","B0F5","B0F6","B0F7","B0F8","B0F9","B0FA","B0FB","B0FC","B0FD","B0FE",
"B1A1","B1A2","B1A3","B1A4","B1A5","B1A6","B1A7","B1A8","B1A9","B1AA","B1AB","B1AC","B1AD","B1AE","B1AF",
"B1B0","B1B1","B1B2","B1B3","B1B4","B1B5","B1B6","B1B7","B1B8","B1B9","B1BA","B1BB","B1BC","B1BD","B1BE","B1BF",
"B1C0","B1C1","B1C2","B1C3","B1C4","B1C5","B1C6","B1C7","B1C8","B1C9","B1CA","B1CB","B1CC","B1CD","B1CE","B1CF",
"B1D0","B1D1","B1D2","B1D3","B1D4","B1D5","B1D6","B1D7","B1D8","B1D9","B1DA","B1DB","B1DC","B1DD","B1DE","B1DF",
"B1E0","B1E1","B1E2","B1E3","B1E4","B1E5","B1E6","B1E7","B1E8","B1E9","B1EA","B1EB","B1EC","B1ED","B1EE","B1EF",
"B1F0","B1F1","B1F2","B1F3","B1F4","B1F5","B1F6","B1F7","B1F8","B1F9","B1FA","B1FB","B1FC","B1FD","B1FE",
"B2A1","B2A2","B2A3","B2A4","B2A5","B2A6","B2A7","B2A8","B2A9","B2AA","B2AB","B2AC","B2AD","B2AE","B2AF",
"B2B0","B2B1","B2B2","B2B3","B2B4","B2B5","B2B6","B2B7","B2B8","B2B9","B2BA","B2BB","B2BC","B2BD","B2BE","B2BF",
"B2C0","B2C1","B2C2","B2C3","B2C4","B2C5","B2C6","B2C7","B2C8","B2C9","B2CA","B2CB","B2CC","B2CD","B2CE","B2CF",
"B2D0","B2D1","B2D2","B2D3","B2D4","B2D5","B2D6","B2D7","B2D8","B2D9","B2DA","B2DB","B2DC","B2DD","B2DE","B2DF",
"B2E0","B2E1","B2E2","B2E3","B2E4","B2E5","B2E6","B2E7","B2E8","B2E9","B2EA","B2EB","B2EC","B2ED","B2EE","B2EF",
"B2F0","B2F1","B2F2","B2F3","B2F4","B2F5","B2F6","B2F7","B2F8","B2F9","B2FA","B2FB","B2FC","B2FD","B2FE",
"B3A1","B3A2","B3A3","B3A4","B3A5","B3A6","B3A7","B3A8","B3A9","B3AA","B3AB","B3AC","B3AD","B3AE","B3AF",
"B3B0","B3B1","B3B2","B3B3","B3B4","B3B5","B3B6","B3B7","B3B8","B3B9","B3BA","B3BB","B3BC","B3BD","B3BE","B3BF",
"B3C0","B3C1","B3C2","B3C3","B3C4","B3C5","B3C6","B3C7","B3C8","B3C9","B3CA","B3CB","B3CC","B3CD","B3CE","B3CF",
"B3D0","B3D1","B3D2","B3D3","B3D4","B3D5","B3D6","B3D7","B3D8","B3D9","B3DA","B3DB","B3DC","B3DD","B3DE","B3DF",
"B3E0","B3E1","B3E2","B3E3","B3E4","B3E5","B3E6","B3E7","B3E8","B3E9","B3EA","B3EB","B3EC","B3ED","B3EE","B3EF",
"B3F0","B3F1","B3F2","B3F3","B3F4","B3F5","B3F6","B3F7","B3F8","B3F9","B3FA","B3FB","B3FC","B3FD","B3FE",
"B4A1","B4A2","B4A3","B4A4","B4A5","B4A6","B4A7","B4A8","B4A9","B4AA","B4AB","B4AC","B4AD","B4AE","B4AF",
"B4B0","B4B1","B4B2","B4B3","B4B4","B4B5","B4B6","B4B7","B4B8","B4B9","B4BA","B4BB","B4BC","B4BD","B4BE","B4BF",
"B4C0","B4C1","B4C2","B4C3","B4C4","B4C5","B4C6","B4C7","B4C8","B4C9","B4CA","B4CB","B4CC","B4CD","B4CE","B4CF",
"B4D0","B4D1","B4D2","B4D3","B4D4","B4D5","B4D6","B4D7","B4D8","B4D9","B4DA","B4DB","B4DC","B4DD","B4DE","B4DF",
"B4E0","B4E1","B4E2","B4E3","B4E4","B4E5","B4E6","B4E7","B4E8","B4E9","B4EA","B4EB","B4EC","B4ED","B4EE","B4EF",
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"B5E0","B5E1","B5E2","B5E3","B5E4","B5E5","B5E6","B5E7","B5E8","B5E9","B5EA","B5EB","B5EC","B5ED","B5EE","B5EF",
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"B6A1","B6A2","B6A3","B6A4","B6A5","B6A6","B6A7","B6A8","B6A9","B6AA","B6AB","B6AC","B6AD","B6AE","B6AF",
"B6B0","B6B1","B6B2","B6B3","B6B4","B6B5","B6B6","B6B7","B6B8","B6B9","B6BA","B6BB","B6BC","B6BD","B6BE","B6BF",
"B6C0","B6C1","B6C2","B6C3","B6C4","B6C5","B6C6","B6C7","B6C8","B6C9","B6CA","B6CB","B6CC","B6CD","B6CE","B6CF",
"B6D0","B6D1","B6D2","B6D3","B6D4","B6D5","B6D6","B6D7","B6D8","B6D9","B6DA","B6DB","B6DC","B6DD","B6DE","B6DF",
"B6E0","B6E1","B6E2","B6E3","B6E4","B6E5","B6E6","B6E7","B6E8","B6E9","B6EA","B6EB","B6EC","B6ED","B6EE","B6EF",
"B6F0","B6F1","B6F2","B6F3","B6F4","B6F5","B6F6","B6F7","B6F8","B6F9","B6FA","B6FB","B6FC","B6FD","B6FE",
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"B9A1","B9A2","B9A3","B9A4","B9A5","B9A6","B9A7","B9A8","B9A9","B9AA","B9AB","B9AC","B9AD","B9AE","B9AF",
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"B9D0","B9D1","B9D2","B9D3","B9D4","B9D5","B9D6","B9D7","B9D8","B9D9","B9DA","B9DB","B9DC","B9DD","B9DE","B9DF",
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);
while(list($key,$value) = each($hangulArray)) {
if($value == strtoupper(bin2hex($char))) return true;
}
return false;
}