в 10:37, 26 мая 2010

2010-05-26T10:37:33Z

Admin: 1 версия

2010-05-26T07:04:26Z

1 версия

Новая страница

==Checking the Mode of a File==



<source lang="html4strict">

<?php
$myfile = "./test.txt";
if (is_readable ($myfile)) {
echo "The file can be read!", "\n";
} else {
echo "The file cannot be read.", "/n";
}

if (is_writable ($myfile)) {
echo "The file can be used for writing!", "/n";
} else {
echo "The file cannot be used for writing.", "/n";
}
if (is_executable ($myfile)) {
echo "The file is executable!", "\n";
} else {
echo "The file is not executable.", "\n";
}
?>

</source>

==Determining the Size of a File==



<source lang="html4strict">
<?php
$myfile = "./test.txt";
if (file_exists ($myfile)) {
$checksize=filesize ($myfile);
echo "$checksize";
} else {
echo "The file doesn"t exist!";
}
?>

</source>

==File accessed time==



<source lang="html4strict">
<html>
<head>
<title>File accessed time</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f was accessed on ".date( "D d M Y g:i A", fileatime( $f ) )." ";
}
?>
</body>
</html>

</source>

==File changed time==



<source lang="html4strict">
<html>
<head>
<title>File changed time</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f was changed on ".date( "D d M Y g:i A", filectime( $f ) )." ";
}
?>
</body>
</html>

</source>

==filegroup: Gets file group==



<source lang="html4strict">
<?php
$gid = filegroup("/etc/passwd");
// Returns "0" on Unix, because root usually has GID of 0.
echo $gid;
?>

</source>

==File last accessed time==



<source lang="html4strict">
<?php
$file = "./text.txt";
echo "File last accessed: ".date("m-d-y g:i:sa", fileatime($file));
?>

</source>

==File last changed time==



<source lang="html4strict">
<?php
$file = "./text.txt";
echo "File inode last changed: ".date("m-d-y g:i:sa", fileatime($file));
?>

</source>

==File last updated time==



<source lang="html4strict">

<?php
$file = "./demoCSV.csv";
echo "File last updated: ".date("m-d-y g:i:sa", filemtime($file));
?>

</source>

==File modified time==



<source lang="html4strict">
<html>
<head>
<title>File modified time</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f was modified on ".date( "D d M Y g:i A", filemtime( $f ) )." ";
}
?>
</body>
</html>

</source>

==Get file permission==



<source lang="html4strict">
<?php
echo substr(base_convert(fileperms("/etc/passwd"), 10, 8), 3);
?>

</source>

==Get the file owner==



<source lang="html4strict">

<?php
$uid = fileowner("/etc/passwd");
// Returns "0" on Linux, as root typically has UID of 0.

echo $uid;
?>

</source>

==Get the file size: filesize==



<source lang="html4strict">
<html>
<head>
<title>Get the file size: filesize</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(filesize($f))." bytes ";
}
?>
</body>
</html>

</source>

==Is it a file: is_file()==



<source lang="html4strict">
<html>
<head>
<title>Is it a file: is_file()</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(is_file( $f )?"":"not ")."a file ";
}
?>
</body>
</html>

</source>

==Is the file a directory: is_dir()==



<source lang="html4strict">
<html>
<head>
<title>Is the file a directory: is_dir()</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(is_dir( $f )?"":"not ")."a directory ";
}
?>
</body>
</html>

</source>

==Is the file executable: is_executable==



<source lang="html4strict">
<html>
<head>
<title>Is the file executable: is_executable</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(is_executable( $f )?"":"not ")."executable ";
}
?>
</body>
</html>

</source>

==Is the file readable: is_readable()==



<source lang="html4strict">
<html>
<head>
<title>Is the file readable: is_readable()</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(is_readable( $f )?"":"not ")."readable ";
}
?>
</body>
</html>

</source>

==Is the file writable: is_writable()==



<source lang="html4strict">
<html>
<head>
<title>Is the file writable: is_writable()</title>
</head>
<body>
<?php
$file = "test.txt";
outputFileTestInfo( $file );
function outputFileTestInfo( $f ){
if ( ! file_exists( $f ) ){
print "$f does not exist ";
return;
}
print "$f is ".(is_writable( $f )?"":"not ")."writable ";
}
?>
</body>
</html>

</source>

← Предыдущая	Версия 10:37, 26 мая 2010
(нет различий)

PHP/File Directory/File Property - История изменений

в 10:37, 26 мая 2010

Admin: 1 версия