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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ``` //open_door -> OpenDoor /** *功能,將字符串的首字母轉化成大寫 *參數:$str String */ $str = 'open_dir'; function uc_first($str) { $arr = explode('_', $str); foreach($arr as $key => $val) { $arr[$key] = ucfirst($val); } $str = implode('', $arr); return $str; } var_dump(uc_first($str)); ``` ***** ``` //截取中文字符無亂碼 function gb_substr($string, $start, $length) { if(strlen($string)>$length){ $str=null; $len=$start+$length; for($i=$start;$i<$len;$i++){ if(ord(substr($string,$i,1))>0xa0){ $str.=substr($string,$i,2); $i++; }else{ $str.=substr($string,$i,1); } } return $str.'...'; }else{ return $string; } } ``` ***** ``` //遍歷一個文件夾下的所有文件和子文件夾 function my_scandir($dir){ $files=array(); if(is_dir($dir)) { if($handle=opendir($dir)) { while(($file=readdir($handle))!==false) { if($file!="." && $file!="..") { if(is_dir($dir."/".$file)) { $files[$file]=my_scandir($dir."/".$file); } else { $files[]=$dir."/".$file; } } } closedir($handle); return $files; } } } print_r(my_scandir("D:Program FilesInternet ExplorerMUI")); ```
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