search
HomeBackend DevelopmentPHP TutorialPHP中读取某个目录下的文件_PHP

/*
PHP Version: 28 April 2005
Author: move2rent
purpose:读取某个目录下的文件
*/

//要读取的目录
$folder="H:/temp";

//打开目录
$fp=opendir($folder);

//阅读目录
while(false!=$file=readdir($fp))
{
//列出所有文件并去掉'.'和'..'
if($file!='.' &&$file!='..')
{
//$file="$folder/$file";
$file="$file";

//赋值给数组
$arr_file[]=$file;

}
}
//输出结果
if(is_array($arr_file))
{
while(list($key,$value)=each($arr_file))
{
echo "$key=>$value
";
}

}

//关闭目录

closedir($fp);

?>


----------------------
读取某个目录下的文件2


/*PHP Version: 30 April 2005
Author: move2rent
purpose:读取某个目录下的文件二*/


/*----------------------------------*/

function listFiles($dir)
{
//打开目录


$handle=opendir($dir);

//阅读目录

while(false!=($file=readdir($handle)))

{
//列出所有文件并去掉'.'和'..'

if($file!='.'&&$file!='..')

{

//所得到的文件名是否是一个目录

if(is_dir("$dir/$file"))

{
//列出目录下的文件

listFiles("$dir/$file");

}

else

{
//如果是文件则打开该文件


$fp=fopen("$dir/$file","r");


//阅读文件内容

$data=fread($fp,filesize("$dir/$file"));

if($data)

//将读到的内容赋值给一个数组

$file_array[]="$dir/$file";

/*foreach($file_array as $key=>$value)
{
echo "$value
";
}
*/
//echo count($file_array);

//输出结果

while(list($key,$value)=each($file_array))
{
echo"$key=>$value
";
}
}

}
}
}

/*------------------------------------------*/
//调用

$dir="H:/temp";

listFiles($dir);

?>


-----------------------------------------------
如果该目录不存在则创建它


/*
PHP Version: 28 April 2005
Author: move2rent
purpose:读取某个目录下的文件,如果该目录不存在则创建它
*/

$folder="H:/temp1";

//打开目录
@$fp=opendir($folder);

//如果该目录不存在则创建它
if(!$fp)
{

//创建目录
mkdir($folder);

//修改该目录的权限
chmod($folder,'0755');

echo " the folder create success!";

}

else
{
echo " the folder have exists.";
}

?>

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
PHP Performance Tuning for High Traffic WebsitesPHP Performance Tuning for High Traffic WebsitesMay 14, 2025 am 12:13 AM

ThesecrettokeepingaPHP-poweredwebsiterunningsmoothlyunderheavyloadinvolvesseveralkeystrategies:1)ImplementopcodecachingwithOPcachetoreducescriptexecutiontime,2)UsedatabasequerycachingwithRedistolessendatabaseload,3)LeverageCDNslikeCloudflareforservin

Dependency Injection in PHP: Code Examples for BeginnersDependency Injection in PHP: Code Examples for BeginnersMay 14, 2025 am 12:08 AM

You should care about DependencyInjection(DI) because it makes your code clearer and easier to maintain. 1) DI makes it more modular by decoupling classes, 2) improves the convenience of testing and code flexibility, 3) Use DI containers to manage complex dependencies, but pay attention to performance impact and circular dependencies, 4) The best practice is to rely on abstract interfaces to achieve loose coupling.

PHP Performance: is it possible to optimize the application?PHP Performance: is it possible to optimize the application?May 14, 2025 am 12:04 AM

Yes,optimizingaPHPapplicationispossibleandessential.1)ImplementcachingusingAPCutoreducedatabaseload.2)Optimizedatabaseswithindexing,efficientqueries,andconnectionpooling.3)Enhancecodewithbuilt-infunctions,avoidingglobalvariables,andusingopcodecaching

PHP Performance Optimization: The Ultimate GuidePHP Performance Optimization: The Ultimate GuideMay 14, 2025 am 12:02 AM

ThekeystrategiestosignificantlyboostPHPapplicationperformanceare:1)UseopcodecachinglikeOPcachetoreduceexecutiontime,2)Optimizedatabaseinteractionswithpreparedstatementsandproperindexing,3)ConfigurewebserverslikeNginxwithPHP-FPMforbetterperformance,4)

PHP Dependency Injection Container: A Quick StartPHP Dependency Injection Container: A Quick StartMay 13, 2025 am 12:11 AM

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Dependency Injection vs. Service Locator in PHPDependency Injection vs. Service Locator in PHPMay 13, 2025 am 12:10 AM

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

PHP performance optimization strategies.PHP performance optimization strategies.May 13, 2025 am 12:06 AM

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

PHP Email Validation: Ensuring Emails Are Sent CorrectlyPHP Email Validation: Ensuring Emails Are Sent CorrectlyMay 13, 2025 am 12:06 AM

PHPemailvalidationinvolvesthreesteps:1)Formatvalidationusingregularexpressionstochecktheemailformat;2)DNSvalidationtoensurethedomainhasavalidMXrecord;3)SMTPvalidation,themostthoroughmethod,whichchecksifthemailboxexistsbyconnectingtotheSMTPserver.Impl

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools