eclipse,php代码批量收编码

<?php //set_time_limit(0);$form = 'F:\work\sinykk\templates';$to = 'F:\work\sinykk\templates';//mb_convert_encoding ( string $str , string $to_encoding [, mixed $from_encoding ] );copyDir($form, $to);function copyDir($dirSrc, $dirTo,$bianma='gb2312-gbk',$extlist=array('txt','js','php','inc','html','htm','css')) { 		if(!file_exists($dirTo)) {      		mkdir($dirTo);       	}	if([email&#160;protected]($dirSrc)) {        		while($filename=readdir($dir_handle)) {   			if($filename!="." && $filename!="..") {  				$subSrcFile=$dirSrc."/".$filename;    				$subToFile=$dirTo."/".$filename;    									if(is_dir($subSrcFile)) {                  					copyDir($subSrcFile, $subToFile);    				}				if(is_file($subSrcFile)) {   					$ext = extname($subSrcFile);					if(in_array($ext,$extlist)){						$r = file_get_contents($subSrcFile);						$r = F_iconv($r,$bianma);						file_put_contents($subToFile,$r);					}else{						copy($subSrcFile, $subToFile);					}				}					}		}		closedir($dir_handle);      	}}function F_iconv($P_strig,$P_types){	switch(strtolower($P_types)){		case 'gb2312-utf8' :{ $P_strig = iconv("GB2312","UTF-8",$P_strig); break; }		case 'gb2312-gbk' :{ $P_strig = iconv("GB2312","GBK//ignore",$P_strig); break; }		case 'gb2312-utf8-i' :{ $P_strig = iconv("GB2312","UTF-8//IGNORE",$P_strig); break; }		case 'gb2312-utf8-t' :{ $P_strig = iconv("GB2312","UTF-8//TRANSLIT",$P_strig); break; }		case 'utf8-gb2312' :{ $P_strig = iconv("UTF-8","GB2312",$P_strig); break; }		case 'utf8-gb2312-i' :{ $P_strig = iconv("UTF-8","GB2312//IGNORE",$P_strig); break; }		case 'utf8-gb2312-t' :{ $P_strig = iconv("UTF-8","GB2312//TRANSLIT",$P_strig); break; }	}	return $P_strig;}function extname($filename)     {	$pathinfo=pathinfo($filename);	return strtolower($pathinfo['extension']);}