Hannesalm / EventCalendar

                    // reset

                    $char = '';

                    $mBytes = 1;

                } elseif (0xC0 == (0xE0 & ($in))) {

                    // First octet of 2 octet sequence

                    $mUcs4 = ($in);

                    $mUcs4 = ($mUcs4 & 0x1F) << 6;

                    $mState = 1;

                    $mBytes = 2;

                } elseif (0xE0 == (0xF0 & ($in))) {

                    // First octet of 3 octet sequence

                    $mUcs4 = ($in);

                    $mUcs4 = ($mUcs4 & 0x0F) << 12;

                    $mUcs4 = ($mUcs4 & 0x0F) << 12;

                    $mState = 2;

                    $mBytes = 3;

                } elseif (0xF0 == (0xF8 & ($in))) {

                    // First octet of 4 octet sequence

                    $mUcs4 = ($in);

                    $mUcs4 = ($mUcs4 & 0x07) << 18;

                    $mState = 3;

                    $mBytes = 4;

                } elseif (0xF8 == (0xFC & ($in))) {

                    // First octet of 5 octet sequence.

                    //

                    // This is illegal because the encoded codepoint must be

                    $mUcs4 = ($mUcs4 & 0x03) << 24;

                    $mState = 4;

                    $mBytes = 5;

                } elseif (0xFC == (0xFE & ($in))) {

                    // First octet of 6 octet sequence, see comments for 5

                    // octet sequence.

                    $mUcs4 = ($in);

                    $mUcs4 = ($mUcs4 & 1) << 30;

                    $mState = 5;

                    $mBytes = 6;

                } else {

                    // Current octet is neither in the US-ASCII range nor a

                    // legal first octet of a multi-octet sequence.

                    $mState = 0;