PHP两个文件操作
1.获取指定目录下所有文件,包括子文件夹下文件,使用到递归
function get_all_file($dir){ $files = scandir($dir); foreach($files as $file){ if($file == '.' || $file == '..') continue; if(is_file($dir.'/'.$file)){ $res[] = $file; continue; } foreach(get_all_file($dir.'/'.$file) as $ff){ $res[] = $ff; } } return $res; }
2.获取一个文件相对于另一个文件的相对路径
//得到$file_2相对$file_1的相对路径 function get_rela_path($file_1,$file_2){ $array_1 = explode('/',$file_1); $array_2 = explode('/',$file_2); $deep = count(array_intersect_assoc($array_1,$array_2)); if(count($array_1)-$deep-1 == 0){ $f[] = '.'; }else{ $f = array_fill(0,count($array_1)-$deep-1,'..'); } $l = array_slice($array_2,$deep); return implode('/',array_merge($f,$l)); }
下面奉上curl的一个demo
curl主要是curl_setopt中curlopt_*的理解和活用
比较常用的也就是下面这几个了,查查手册,搞清楚吧
function getUrl($url){ $ch = curl_init(); $data = array('name'=>'zhaozonglu','age'=>21); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_RETURNTRANSFER,true); curl_setopt($ch,CURLOPT_FAILONERROR,true); curl_setopt($ch,CURLOPT_POST,true); curl_setopt($ch,CURLOPT_POSTFIELDS,$data); $out = curl_exec($ch); $info = curl_getinfo($ch,CURLINFO_HTTP_CODE); curl_close($ch); return $info; }
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