A detailed _php tutorial on PHP Directory functions

Pre-defined constants:

Directory_separator (String): Directory delimiter

Path_separator (String): Path delimiter

BOOL ChDir (String $directory)-Change Directory

Copy the Code code as follows:

Echo GETCWD (). "\ n";
ChDir (' public_html ');
Echo GETCWD (). "\ n";

BOOL Chroot (String $directory)-Changes the root directory only if the system supports it and is running in cli,cgi or embedded SAPI version.

Dir::d ir (string $directory)-directory class, there are three methods available: Read,rewind (the position pointer inside the file is pointed back to the beginning of a data stream) and close

Copy the Code code as follows:
$d = Dir ("e:/work/html");
foreach ($d as $k = = $v) {
echo $k. ' $v. '
';
}
while (false!== ($entry = $d->read ())) {
echo $entry. "
";
}
$d->close ();

void Closedir (Resource $dir _handle)-Close the directory handle

Copy the Code code as follows:
$dir = "/etc/php5/";

if (Is_dir ($dir)) {
if ($dh = Opendir ($dir)) {
$directory = Readdir ($DH);
Closedir ($DH);
}
}

String getcwd (void)-Gets the current working directory

Resource Opendir (String $path [, Resource $context])-Open Directory handle

String Readdir (Resource $dir _handle)-Reads an entry from the directory handle

Copy the Code code as follows:
if ($handle = Opendir ('/path/to/files ')) {
echo "Directory handle: $handle \ n";
echo "files:\n";
while (false!== ($file = Readdir ($handle))) {
echo "$file \ n";
}
Closedir ($handle);
}

void Rewinddir (Resource $dir _handle)-Resets the Dir_handle specified directory stream to the beginning of the directory

Array Scandir (string $directory [, int $sorting _order [, Resource $context]]-Lists the files and directories in the specified path

Copy the Code code as follows:
$dir = '/tmp ';
$files 1 = scandir ($dir);
$files 2 = Scandir ($dir, 1);
Print_r ($files 1);
Print_r ($files 2);

http://www.bkjia.com/PHPjc/326745.html www.bkjia.com true http://www.bkjia.com/PHPjc/326745.html techarticle Predefined constants: Directory_separator (String): Directory delimiter Path_separator (string): Path delimiter bool ChDir (string $directory)-Change Directory Replication code The code is as follows ...

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