symlink_link_linkinfo_is_link_variation3.phpt [plain text]
--TEST--
Test symlink(), linkinfo(), link() and is_link() functions : usage variations - access/update file through softlink
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
die('skip no symlinks on Windows');
}
?>
--FILE--
<?php
$file_path = dirname(__FILE__);
echo "*** Accessing and updating data of file through soft link ***\n";
$filename = "$file_path/symlink_link_linkinfo_is_link_variation3.tmp";
$file = fopen($filename, "w");
$linkname = "$file_path/symlink_link_linkinfo_is_link_link_variation3.tmp";
var_dump( symlink($filename, $linkname) );
$link_stat = lstat($linkname); $link_size = $link_stat[7];
fwrite($file, str_repeat("text", 20) );
fclose($file);
echo "\n-- Access data of the file through the soft link --\n";
$data_from_link = file_get_contents($linkname); var_dump( $data_from_link );
echo "\n-- Check size of soft link and file --\n";
var_dump( filesize($filename) );
var_dump( filesize($linkname) );
$stat = lstat($linkname);
if ($link_size == $stat[7])
echo "\nSoft link size remains same \n";
else
echo "\nWarning: Soft link size has changed \n";
echo "\n-- Updating file with data through soft link --\n";
$fp = fopen($linkname, "a"); fwrite($fp, "Hello World");
fclose($fp);
$data_from_file = file_get_contents($filename);
var_dump( $data_from_file );
echo "\n-- Check size of soft link and file --\n";
var_dump( filesize($filename) );
var_dump( filesize($linkname) );
$stat = lstat($linkname);
if ($link_size == $stat[7])
echo "\nSoft link size remains same \n";
else
echo "\nWarning: Soft link size has changed \n";
echo "\n-- Updating file with data and check data through soft link --\n";
$file = fopen($filename, "w");
fwrite($file, "Hello World");
fclose($file);
$data_from_link = file_get_contents($linkname);
var_dump( $data_from_link );
echo "\n-- Check size of soft link and file --\n";
var_dump( filesize($filename) );
var_dump( filesize($linkname) );
$stat = lstat($linkname);
if ($link_size == $stat[7])
echo "\nSoft link size remains same \n";
else
echo "\nWarning: Soft link size has changed \n";
unlink($linkname);
unlink($filename);
echo "Done\n";
?>
--EXPECTF--
*** Accessing and updating data of file through soft link ***
bool(true)
-- Access data of the file through the soft link --
string(80) "texttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttext"
-- Check size of soft link and file --
int(80)
int(80)
Soft link size remains same
-- Updating file with data through soft link --
string(91) "texttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttexttextHello World"
-- Check size of soft link and file --
int(91)
int(91)
Soft link size remains same
-- Updating file with data and check data through soft link --
string(11) "Hello World"
-- Check size of soft link and file --
int(11)
int(11)
Soft link size remains same
Done