function utf8_hangul_getSearchRule($str, $lastchar = 1, $use_unicode = true)
{
$rule = '';
$val = utf8_to_unicode($str);
$len = sizeof($val);
if ($lastchar and $len > 1) {
// make a regex using with the last char
$last = array_pop($val);
$rule = unicode_to_utf8($val);
$val = array($last);
$len = sizeof($val);
}
for ($i = 0; $i < $len; $i++) {
$ch = $val[$i];
$wch = array();
$ustart = array();
$uend = array();
if ($ch >= 0xac00 and $ch <= 0xd7a3 or $ch >= 0x3130 and $ch <= 0x318f) {
$wch = hangul_to_jamo(array($ch));
} else {
$rule .= unicode_to_utf8(array($ch));
continue;
}
$wlen = sizeof($wch);
$ket = '';
if ($wlen >= 3) {
// 종각 => 종(각|가[가-깋])
$mrule = array();
$mrule[] = unicode_to_utf8(array($ch));
$save = $wch[2];
unset($wch[2]);
$tmp = jamo_to_syllable($wch);
$mrule[] = unicode_to_utf8($tmp);
$save = hangul_jongseong_to_cjamo($save);
$wch = hangul_to_jamo($save);
$wlen = sizeof($wch);
$rule .= '(' . implode('|', $mrule);
$ket = ')';
if ($wlen > 1) {
$rule .= ')';
continue;
}
}
if ($wlen == 1) {
if ($wch[0] >= 0x1100 and $wch[0] <= 0x1112) {
$wch[1] = 0x1161;
$start = jamo_to_syllable($wch);
$ustart = unicode_to_utf8($start);
$wch[1] = 0x1175;
$wch[2] = 0x11c2;
$end = jamo_to_syllable($wch);
$uend = unicode_to_utf8($end);
} else {
$rule .= unicode_to_utf8($wch) . $ket;
continue;
}
} else {
if ($wlen == 2) {
if ($wch[0] >= 0x1100 and $wch[0] <= 0x1112) {
$start = jamo_to_syllable($wch);
$ustart = unicode_to_utf8($start);
$wch[2] = 0x11c2;
$end = jamo_to_syllable($wch);
$uend = unicode_to_utf8($end);
} else {
$rule .= unicode_to_utf8($wch);
continue;
}
}
}
if ($use_unicode) {
$crule = '[' . $ustart . '-' . $uend . ']';
} else {
$rule .= sprintf("\\x%02X", ord($ustart[0]));
$crule = '';
if ($ustart[1] == $uend[1]) {
$crule .= sprintf("\\x%02X", ord($ustart[1]));
$crule .= sprintf("[\\x%02X-\\x%02X]", ord($ustart[2]), ord($uend[2]));
} else {
$sch = ord($ustart[1]);
$ech = ord($uend[1]);
$subrule = array();
$subrule[] = sprintf("\\x%02X[\\x%02X-\\xBF]", $sch, ord($ustart[2]));
if ($sch + 1 == $ech - 1) {
$subrule[] = sprintf("\\x%02X[\\x80-\\xBF]", $sch + 1);
} else {
if ($sch + 1 != $ech) {
$subrule[] = sprintf("[\\x%02X-\\x%02X][\\x80-\\xBF]", $sch + 1, $ech - 1);
}
}
$subrule[] = sprintf("\\x%02X[\\x80-\\x%02X]", ord($uend[1]), ord($uend[2]));
$crule .= '(' . implode('|', $subrule) . ')';
}
}
$rule .= $crule . $ket;
}
return $rule;
}
function getWordRule($word, $lastchar = 1)
{
$rule = $word;
$val = utf8_to_unicode($word);
$len = sizeof($val);
#print $word.':'.$len;
if ($len >= 1) {
// make a regex using with the last char
$ch = array_pop($val);
if ($ch >= 0xac00 and $ch <= 0xd7a3 or $ch >= 0x3130 and $ch <= 0x318f) {
$jamo = hangul_to_jamo(array($ch));
$wlen = sizeof($jamo);
if ($wlen >= 3) {
if (in_array($jamo[2], array(0x11ab, 0x11af, 0x11b7, 0x11b8, 0x11bb))) {
$rule = unicode_to_utf8($val);
if ($lastchar == 1) {
$rule .= unicode_to_utf8(jamo_to_syllable(array($jamo[0], $jamo[1])));
} else {
$rule .= unicode_to_utf8(array(hangul_choseong_to_cjamo($jamo[0])));
$rule .= unicode_to_utf8(array(hangul_jungseong_to_cjamo($jamo[1])));
}
$rule .= unicode_to_utf8(array(hangul_jongseong_to_cjamo($jamo[2])));
}
}
}
}
return $rule;
}
function utf8_hangul_getSearchRule($str, $lastchar = 1, $use_unicode = true)
{
$rule = '';
$val = utf8_to_unicode($str);
$len = sizeof($val);
if ($lastchar and $len > 1) {
// make a regex using with the last char
$last = array_pop($val);
$rule = unicode_to_utf8($val);
$val = array($last);
$len = sizeof($val);
} else {
// make regex for consonant only letters
// ㄱㅎ => (ㄱ|[가-깋])(ㅎ|[하-힣])
// save the last char
$last = array_pop($val);
$len = sizeof($val);
for ($i = 0; $i < $len; $i++) {
$ch = $val[$i];
if ($ch >= 0x3130 and $ch <= 0x318f) {
$wch = hangul_to_jamo(array($ch));
if ($wch[0] >= 0x1100 and $wch[0] <= 0x1112) {
$wch[1] = 0x1161;
$start = jamo_to_syllable($wch);
$ustart = unicode_to_utf8($start);
$wch[1] = 0x1175;
$wch[2] = 0x11c2;
$end = jamo_to_syllable($wch);
$uend = unicode_to_utf8($end);
} else {
$rule .= unicode_to_utf8($wch);
continue;
}
$crule = '(' . unicode_to_utf8(array($ch)) . '|';
$crule .= hangul_regex_range($ustart, $uend, $use_unicode);
$crule .= ')';
} else {
$crule = unicode_to_utf8(array($ch));
}
$rule .= $crule;
}
// lastchar
$val = array($last);
$len = sizeof($val);
}
for ($i = 0; $i < $len; $i++) {
$ch = $val[$i];
$wch = array();
$ustart = array();
$uend = array();
if ($ch >= 0xac00 and $ch <= 0xd7a3 or $ch >= 0x3130 and $ch <= 0x318f) {
$wch = hangul_to_jamo(array($ch));
} else {
$rule .= unicode_to_utf8(array($ch));
continue;
}
$wlen = sizeof($wch);
$ket = '';
if ($wlen >= 3) {
// 종각 => 종(각|가[가-깋])
$mrule = array();
$mrule[] = unicode_to_utf8(array($ch));
$save = $wch[2];
unset($wch[2]);
$tmp = jamo_to_syllable($wch);
$mrule[] = unicode_to_utf8($tmp);
$save = hangul_jongseong_to_cjamo($save);
$wch = hangul_to_jamo($save);
$wlen = sizeof($wch);
$rule .= '(' . implode('|', $mrule);
$ket = ')';
if ($wlen > 1) {
$rule .= ')';
continue;
}
}
if ($wlen == 1) {
if ($wch[0] >= 0x1100 and $wch[0] <= 0x1112) {
$wch[1] = 0x1161;
$start = jamo_to_syllable($wch);
$ustart = unicode_to_utf8($start);
$wch[1] = 0x1175;
$wch[2] = 0x11c2;
$end = jamo_to_syllable($wch);
$uend = unicode_to_utf8($end);
} else {
$rule .= unicode_to_utf8($wch) . $ket;
continue;
}
} else {
if ($wlen == 2) {
if ($wch[0] >= 0x1100 and $wch[0] <= 0x1112) {
$start = jamo_to_syllable($wch);
$ustart = unicode_to_utf8($start);
$wch[2] = 0x11c2;
$end = jamo_to_syllable($wch);
$uend = unicode_to_utf8($end);
} else {
$rule .= unicode_to_utf8($wch);
continue;
}
}
}
$crule = hangul_regex_range($ustart, $uend, $use_unicode);
$rule .= $crule . $ket;
}
return $rule;
}