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Pythonxzm
Original
831 people have browsed it
<?php
//可以定义一批文件是否存在
$files = [
   'config.php',
   'img/',
   'uploads/',
];
//定义标志位变量
$flag = true;
foreach($files as  $v){
   echo $v;
   //判断是文件还是文件夹
   if(is_file($v)){
       echo '是一个文件    ';
   }else if(is_dir($v)){
       echo '是一个文件夹    ';
   }
   if(is_readable($v)){
       echo ' 可读';
   }else{
        echo '<font color="red">不可读</font>';
   }
   if(is_writeable($v)){
       echo '可写';
   }else{
       echo '<font color="red">不可写</font>';
   }
   echo '<br />';
}
if($flag){
   echo '<a href="step1">下一步</a>';
}else{
    echo '不能进行安装';
}
?>

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