这不可能。这是PHP的局限性。PHP使用Windows API的多字节版本。您仅限于代码页可以代表的字符。
目录内容：
D:UsersCataphractDesktopteste2>dir Volume in drive D is GRANDEDISCO Volume Serial Number is 945F-DB89 Directory of D:UsersCataphractDesktopteste201-06-2010 17:16 .01-06-2010 17:16 ..01-06-2010 17:15 0 coptic small letter shima follows ϭ.txt01-06-2010 17:18 86 teste.php 2 File(s) 86 bytes 2 Dir(s) 12.178.505.728 bytes free
测试文件内容：
<?phpexec('pause');foreach (new DirectoryIterator(".") as $v) { echo $v."n";}测试文件结果：
...coptic small letter shima follows ?.txtteste.php
调试器输出：
调用堆栈（PHP 5.3.0）：
> php5ts_debug.dll!readdir_r(DIR * dp=0x02f94068, dirent * entry=0x00a7e7cc, dirent * * result=0x00a7e7c0) Line 80 C php5ts_debug.dll!php_plain_files_dirstream_read(_php_stream * stream=0x02b94280, char * buf=0x02b9437c, unsigned int count=260, void * * * tsrm_ls=0x028a15c0) Line 820 + 0x17 bytes C php5ts_debug.dll!_php_stream_read(_php_stream * stream=0x02b94280, char * buf=0x02b9437c, unsigned int size=260, void * * * tsrm_ls=0x028a15c0) Line 603 + 0x1c bytes C php5ts_debug.dll!_php_stream_readdir(_php_stream * dirstream=0x02b94280, _php_stream_dirent * ent=0x02b9437c, void * * * tsrm_ls=0x028a15c0) Line 1806 + 0x16 bytes C php5ts_debug.dll!spl_filesystem_dir_read(_spl_filesystem_object * intern=0x02b94340, void * * * tsrm_ls=0x028a15c0) Line 199 + 0x20 bytes C php5ts_debug.dll!spl_filesystem_dir_open(_spl_filesystem_object * intern=0x02b94340, char * path=0x02b957f0, void * * * tsrm_ls=0x028a15c0) Line 238 + 0xd bytes C php5ts_debug.dll!spl_filesystem_object_construct(int ht=1, _zval_struct * return_value=0x02b91f88, _zval_struct * * return_value_ptr=0x00000000, _zval_struct * this_ptr=0x02b92028, int return_value_used=0, void * * * tsrm_ls=0x028a15c0, long ctor_flags=0) Line 645 + 0x11 bytes C php5ts_debug.dll!zim_spl_DirectoryIterator___construct(int ht=1, _zval_struct * return_value=0x02b91f88, _zval_struct * * return_value_ptr=0x00000000, _zval_struct * this_ptr=0x02b92028, int return_value_used=0, void * * * tsrm_ls=0x028a15c0) Line 658 + 0x1f bytes C php5ts_debug.dll!zend_do_fcall_common_helper_SPEC(_zend_execute_data * execute_data=0x02bc0098, void * * * tsrm_ls=0x028a15c0) Line 313 + 0x78 bytes C php5ts_debug.dll!ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER(_zend_execute_data * execute_data=0x02bc0098, void * * * tsrm_ls=0x028a15c0) Line 423 C php5ts_debug.dll!execute(_zend_op_array * op_array=0x02b93888, void * * * tsrm_ls=0x028a15c0) Line 104 + 0x11 bytes C php5ts_debug.dll!zend_execute_scripts(int type=8, void * * * tsrm_ls=0x028a15c0, _zval_struct * * retval=0x00000000, int file_count=3, ...) Line 1188 + 0x21 bytes C php5ts_debug.dll!php_execute_script(_zend_file_handle * primary_file=0x00a7fad4, void * * * tsrm_ls=0x028a15c0) Line 2196 + 0x1b bytes C php.exe!main(int argc=2, char * * argv=0x028a14c0) Line 1188 + 0x13 bytes C php.exe!__tmainCRTStartup() Line 555 + 0x19 bytes C php.exe!mainCRTStartup() Line 371 C
真的是问号吗？
dp->fileinfo{dwFileAttributes=32 ftCreationTime={...} ftLastAccessTime={...} ...} dwFileAttributes: 32 ftCreationTime: {dwLowDateTime=2784934701 dwHighDateTime=30081445 } ftLastAccessTime: {dwLowDateTime=2784934701 dwHighDateTime=30081445 } ftLastWriteTime: {dwLowDateTime=2784934701 dwHighDateTime=30081445 } nFileSizeHigh: 0 nFileSizeLow: 0 dwReserved0: 3435973836 dwReserved1: 3435973836 cFileName: 0x02f9409c "coptic small letter shima follows ?.txt" cAlternateFileName: 0x02f941a0 "COPTIC~1.TXT"dp->fileinfo.cFileName[34]63 '?'是! 这是角色＃63。
