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PHP根据经纬度计算两地点间的直线距离

windows关闭phpstorm双击Shift开启的Search EveryWhere

//0开头的数字递增 public function autoInc($num,$step=1){ $count=count(str_split($num)); $num_new=intval($num)+$step; if($num_new>pow(10,$count-1)){ return $num_new; }else{ return str_pad($num_new,$count,'0',STR_PAD_LEFT); }.

话不多说，代码走起 //接收要检测的文本内容并调用检测方法 public function textCheck(Request $request){ //内容安全识别 $data['content']为要检测的文本内容 $data['content'] = htmlspecialchars($request->post('content')); $content = $data['content']; $output = $this