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PHP/File Directory/is dir - История изменений
2026-04-05T07:49:22Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/File_Directory/is_dir&diff=574&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:33Z
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http://wbex.ru/index.php?title=PHP/File_Directory/is_dir&diff=575&oldid=prev
Admin: 1 версия
2010-05-26T07:04:31Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Creating a Function That Performs Multiple File Tests==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
function outputFileTestInfo( $file ) {<br />
if ( ! file_exists( $file ) ) {<br />
print "$file does not exist<br/>";<br />
return;<br />
}<br />
print "$file is ".( is_file( $file )?"":"not ")."a file<br/>";<br />
print "$file is ".( is_dir( $file )?"":"not ")."a directory<br/>";<br />
print "$file is ".( is_readable( $file )?"":"not ")."readable<br/>";<br />
print "$file is ".( is_writable( $file )?"":"not ")."writable<br/>";<br />
print "$file is ".( is_executable( $file )?"":"not")."executable<br/>";<br />
print "$file is ".( filesize($file))." bytes<br/>";<br />
print "$file was accessed on " . date( "D d M Y g:i A", fileatime( $file ) )."<br/>";<br />
print "$file was modified on " . date( "D d M Y g:i A", filemtime( $file ) )."<br/>";<br />
print "$file was changed on " . date( "D d M Y g:i A", filectime( $file ) )."<br/>";<br />
}<br />
?><br />
<html><br />
<head><br />
<title>Multiple File Tests</title><br />
</head><br />
<body><br />
<div><br />
<?php<br />
outputFileTestInfo( "test.txt" );<br />
?><br />
</div><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Is a directory==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
if ( is_dir( "/tmp" ) ) {<br />
print "/tmp is a directory";<br />
}<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==is_dir() function verifies that the file is a directory==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
bool is_dir (string filename)<br />
<?<br />
$isdir = is_dir("index.html"); // returns false<br />
<br />
$isdir = is_dir("book"); // returns true<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Working with Directories==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
resource opendir ( string path ) <br />
bool is_dir ( string path ) <br />
string readdir ( resource dir_handle ) <br />
void closedir ( resource dir_handle ) <br />
array scandir ( string directory [, int sorting_order [, resource context]] ) <br />
<?php <br />
function numfilesindir ($thedir){ <br />
if (is_dir ($thedir)){ <br />
$scanarray = scandir ($thedir); <br />
for ($i = 0; $i < count ($scanarray); $i++){ <br />
if ($scanarray[$i] != "." && $scanarray[$i] != ".."){ <br />
if (is_file ($thedir . "/" . $scanarray[$i])){ <br />
echo $scanarray[$i] . "<br />"; <br />
} <br />
} <br />
} <br />
} else { <br />
echo "Sorry, this directory does not exist."; <br />
} <br />
} <br />
echo numfilesindir ("sample1"); <br />
?> <br />
<br />
<?<br />
$handle = opendir("/path/to/directory")<br />
if ($handle) {<br />
while (false != = ($file = readdir($handle))) {<br />
print "$file<br />\n";<br />
}<br />
closedir($handle);<br />
}<br />
?><br />
<br />
</source></div>
Admin