PHP/File Directory/is dir
Содержание
Creating a Function That Performs Multiple File Tests
<source lang="html4strict">
<?php function outputFileTestInfo( $file ) {
if ( ! file_exists( $file ) ) {
print "$file does not exist
";
return;
}
print "$file is ".( is_file( $file )?"":"not ")."a file
";
print "$file is ".( is_dir( $file )?"":"not ")."a directory
";
print "$file is ".( is_readable( $file )?"":"not ")."readable
";
print "$file is ".( is_writable( $file )?"":"not ")."writable
";
print "$file is ".( is_executable( $file )?"":"not")."executable
";
print "$file is ".( filesize($file))." bytes
";
print "$file was accessed on " . date( "D d M Y g:i A", fileatime( $file ) )."
";
print "$file was modified on " . date( "D d M Y g:i A", filemtime( $file ) )."
";
print "$file was changed on " . date( "D d M Y g:i A", filectime( $file ) )."
";
} ?> <html> <head> <title>Multiple File Tests</title> </head> <body>
<?php outputFileTestInfo( "test.txt" ); ?>
</body> </html>
</source>
Is a directory
<source lang="html4strict">
<? if ( is_dir( "/tmp" ) ) {
print "/tmp is a directory";
} ?>
</source>
is_dir() function verifies that the file is a directory
<source lang="html4strict">
bool is_dir (string filename) <?
$isdir = is_dir("index.html"); // returns false
$isdir = is_dir("book"); // returns true
?>
</source>
Working with Directories
<source lang="html4strict">
resource opendir ( string path ) bool is_dir ( string path ) string readdir ( resource dir_handle ) void closedir ( resource dir_handle ) array scandir ( string directory [, int sorting_order [, resource context]] ) <?php function numfilesindir ($thedir){
if (is_dir ($thedir)){
$scanarray = scandir ($thedir);
for ($i = 0; $i < count ($scanarray); $i++){
if ($scanarray[$i] != "." && $scanarray[$i] != ".."){
if (is_file ($thedir . "/" . $scanarray[$i])){
echo $scanarray[$i] . "
";
}
}
}
} else {
echo "Sorry, this directory does not exist.";
}
} echo numfilesindir ("sample1"); ?>
<?
$handle = opendir("/path/to/directory")
if ($handle) {
while (false != = ($file = readdir($handle))) {
print "$file
\n";
}
closedir($handle);
}
?>
</source>
