1 function mk_document($filename,$content=‘‘){ 2 //    var_dump(__DIR__); 3     $file=parse_url($filename); 4     $basename=basename($file[‘path‘]); 5     $pathinfo=pathinfo($basename); 6     if(!in_array(‘extension‘,array_keys($pathinfo))){ 7         echo ‘文件名不正确‘; 8         return; 9     }10     if(file_exists($filename)){11         echo ‘false‘;12     }else{13         file_put_contents($filename,$content);14         echo ‘success‘;15     }16 }17 mv_document(‘20160927.txt‘);

function mk_doc($filename,$content=‘‘){    $res=fopen($filename,‘w‘);    fputs($res,$content);    fclose($res);}mk_doc(‘1.txt‘);