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PHP traverses the files in the folder and obtains the value of the input name, _PHP tutorial

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Release: 2016-07-12 09:03:17
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PHP traverses the files in the folder and obtains the value of the input name,

$dir = dirname(__FILE__); //To be traversed Directory name->The folder where the current file is located
//$dir='D:PHPwampwwwadminhostsadmin';
//PHP traverses all files in the folder
$handle=opendir($dir.". ");
$arr = array();
while($file=readdir($handle)){
 if(is_file($file)){
 if ($file != " ."&& $file != "..") {
  $file = mb_substr($file,0,strripos($file,'.'));
$files = explode(' ',$file ); //Convert $file into an array
  $arr[]=$files['0'];//Convert into a one-dimensional array
  }
 }
}
//print_r ($arr);
closedir($handle);
//PHP gets the value of input->name
foreach ($_POST AS $key=>$value){
 if( !in_array($key,$arr)){ //Check whether the name value is in $arr
  echo "$key: does not exist";
}

}
?>







 


 
 


 


 





  

 


 


 




www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1083562.htmlTechArticlePHP traverses the files in the folder and obtains the value of the input name, ?php $dir = dirname(__FILE__) ;//The name of the directory to be traversed - the folder where the current file is located //$dir='D:PHPwampwwwadmin...
source:php.cn
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