59function utf8ToUnicode(&$str)
69 for($i = 0; $i < $len; $i++) {
74 if (0 == (0x80 & ($in))) {
78 }
else if (0xC0 == (0xE0 & ($in))) {
81 $mUcs4 = ($mUcs4 & 0x1F) << 6;
84 }
else if (0xE0 == (0xF0 & ($in))) {
87 $mUcs4 = ($mUcs4 & 0x0F) << 12;
90 }
else if (0xF0 == (0xF8 & ($in))) {
93 $mUcs4 = ($mUcs4 & 0x07) << 18;
96 }
else if (0xF8 == (0xFC & ($in))) {
106 $mUcs4 = ($mUcs4 & 0x03) << 24;
109 }
else if (0xFC == (0xFE & ($in))) {
112 $mUcs4 = ($mUcs4 & 1) << 30;
124 if (0x80 == (0xC0 & ($in))) {
126 $shift = ($mState - 1) * 6;
128 $tmp = ($tmp & 0x0000003F) << $shift;
131 if (0 == --$mState) {
139 if (((2 == $mBytes) && ($mUcs4 < 0x0080)) ||
140 ((3 == $mBytes) && ($mUcs4 < 0x0800)) ||
141 ((4 == $mBytes) && ($mUcs4 < 0x10000)) ||
144 (($mUcs4 & 0xFFFFF800) == 0xD800) ||
146 ($mUcs4 > 0x10FFFF)) {
149 if (0xFEFF != $mUcs4) {
179function unicodeToUtf8(&$arr)
182 foreach ($arr as $src) {
185 }
else if ( $src <= 0x007f) {
187 }
else if ($src <= 0x07ff) {
188 $dest .= chr(0xc0 | ($src >> 6));
189 $dest .= chr(0x80 | ($src & 0x003f));
190 }
else if($src == 0xFEFF) {
192 }
else if ($src >= 0xD800 && $src <= 0xDFFF) {
195 }
else if ($src <= 0xffff) {
196 $dest .= chr(0xe0 | ($src >> 12));
197 $dest .= chr(0x80 | (($src >> 6) & 0x003f));
198 $dest .= chr(0x80 | ($src & 0x003f));
199 }
else if ($src <= 0x10ffff) {
200 $dest .= chr(0xf0 | ($src >> 18));
201 $dest .= chr(0x80 | (($src >> 12) & 0x3f));
202 $dest .= chr(0x80 | (($src >> 6) & 0x3f));
203 $dest .= chr(0x80 | ($src & 0x3f));
211function check_string($ics){
212 $ics_file = explode(
"\n",$ics);
213 foreach($ics_file as $line => $str){
214 if(
false === utf8ToUnicode($str)){
218 if(isset($error) && is_array($error)){
219 foreach($error as $line){
220 dbg_error_log(
"LOG check_string",
"error on lines % invalid character in string %s" , ($line +1),$ics_file[$line] );