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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                #### 提取字符串中的數字 ```php // 取出字符串中的數字 public function findNum($str = '') { $str = trim($str); if (empty($str)) { return ''; } $result = ''; for ($i = 0; $i < strlen($str); $i++) { if (is_numeric($str[$i])) { $result .= $str[$i]; } } return $result; } ``` #### php實現數組按指定KEY排序的方法 ```php // php實現數組按指定KEY排序的方法 public function array_sort($arr,$keys,$orderby='asc'){ $keysvalue = $new_array = array(); foreach ($arr as $k=>$v){ $keysvalue[$k] = $v[$keys]; } if($orderby== 'asc'){ asort($keysvalue); }else{ arsort($keysvalue); } reset($keysvalue); foreach ($keysvalue as $k=>$v){ $new_array[] = $arr[$k]; } return $new_array; } ```
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                              哎呀哎呀视频在线观看