PHP中文竖排转换实现方法

<?php 
include(ccw.inc.php); 
 
if (isset($_POST[string])){ 
 $ccw = new CCW; 
 $converd = $ccw->convert($_POST[string]); 
} 
?> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<form method="post" charset="utf-8"> 
 <p><?php echo $converd ?></p> 
 <p><textarea name="string" cols="50" rows="10"></textarea></p> 
 <p><input type="submit" /></p> 
</form> 

<?php 
/** 
 * 转换中文字符串至古文排版 
 */ 
class CCW { 
 protected $SEPARATOR = ┆; 
 protected $BLANK = 　; 
 protected $CHARLIST = array( 
 0 => ０, 1 => １, 2 => ２, 3 => ３, 4 => ４, 5 => ５, 
 6 => ６, 7 => ７, 8 => ８, 9 => ９, a => ａ, b => ｂ, 
 c => ｃ, d => ｄ, e => ｅ, f => ｆ, g => ｇ, h => ｈ, 
 i => ｉ, j => ｊ, k => ｋ, l => ｌ, m => ｍ, n => ｎ, 
 o => ｏ, p => ｐ, q => ｑ, r => ｒ, s => ｓ, t => ｔ, 
 u => ｕ, v => ｖ, w => ｗ, x => ｘ, y => ｙ, z => ｚ, 
 A => Ａ, B => Ｂ, C => Ｃ, D => Ｄ, E => Ｅ, F => Ｆ, 
 G => Ｇ, H => Ｈ, I => Ｉ, J => Ｊ, K => Ｋ, L => Ｌ, 
 M => Ｍ, N => Ｎ, O => Ｏ, P => Ｐ, Q => Ｑ, R => Ｒ, 
 S => Ｓ, T => Ｔ, U => Ｕ, V => Ｖ, W => Ｗ, X => Ｘ, 
 Y => Ｙ, Z => Ｚ, ( => ︵, ) => ︶, [ => ︻, ] => ︼, 
 { => ︷, } => ︸, < => ︽, > => ︾, * => ＊, & => ＆, 
 ^ => ︿, % => ％, $ => ＄, # => ＃, @ => ＠, ! => ！, 
 ' => ～, ` => ｀, + => ＋, - => －, = => ＝, _ => ＿, 
 | => ｜, \\ =>＼, \ =>＇, " => ＂, ; => ；, : => ：, 
 . => ．, , => ，, ? => ？, / => ／,   => 　, （ => ︵, 
 ） => ︶, 【 => ︻, 】 => ︼, 《 => ︽, 》 => ︾ 
 ); 
 
 public $height = 10; // 默认竖排高度 
 
 /** 
 * 转换文字到竖排 
 * 
 * @return string 
 */ 
 function convert($original, $height = null) { 
 $original = preg_replace(/\s/, , $original); // 去除多余的空格等 
 $strarr = $this->mbStringToArray($original); // 分解成数组 
 $height = $height ? intval($height) : $this->height; 
 $total = sizeof($strarr); 
 $width = ceil($total / $height); 
 
 // 分割中文字符 
 $result = array(); 
 for ($i = 0, $tmp = array(); $i < $total; $i++) { 
 $c = $strarr[$i]; // 格式化当前字符 
 $tmp[] = isset($this->CHARLIST[$c]) ? $this->CHARLIST[$c] : $c; 
 if (sizeof($tmp) == $height) { 
 $result[] = $tmp; 
 $tmp = array(); 
 } 
 } 
 
 // 如果还有剩余的字符 
 if (sizeof($tmp)) { 
 $result[] = $tmp; 
 } 
 
 // 开始输出 
 $output = "<pre>"; 
 for($j = 0; $j < $height; $j++) { 
 for ($i = $width - 1; $i >= 0; $i--) { 
 $output .= $this->SEPARATOR; 
 $output .= isset($result[$i][$j]) ? $result[$i][$j] : $this->BLANK; 
 } 
 $output .= $this->SEPARATOR; 
 $output .= "\n"; 
 } 
 
 return $output."</pre>"; 
 } 
 
 
 /** 
 * 转换字符串至数组 
 */ 
 private function mbStringToArray ($string, $encoding = utf-8) { 
 while ($strlen = mb_strlen($string)) { 
 $array[] = mb_substr($string, 0, 1, $encoding); 
 $string = mb_substr($string, 1, $strlen, $encoding); 
 } 
 
 return $array; 
 } 
} 
?>