2007-07-18 04:59:46 +00:00
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--TEST--
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Test unlink() function : usage variations - unlinking file in a directory
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--SKIPIF--
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<?php
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if (substr(PHP_OS, 0, 3) == 'WIN') {
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die('skip only on Linux');
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}
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2007-08-20 04:07:02 +00:00
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// Skip if being run by root (files are always readable, writeable and executable)
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$filename = dirname(__FILE__)."/unlink_root_check.tmp";
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$fp = fopen($filename, 'w');
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fclose($fp);
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if(fileowner($filename) == 0) {
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unlink ($filename);
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2007-09-13 18:24:26 +00:00
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die('skip cannot be run as root');
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2007-08-20 04:07:02 +00:00
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}
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unlink($filename);
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2007-07-18 04:59:46 +00:00
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?>
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--FILE--
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<?php
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/* Prototype : bool unlink ( string $filename [, resource $context] );
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Description : Deletes filename
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*/
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/* Delete file having default permission but its dir having readonly permission
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Delete file having readonly permission but dir having default permission
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*/
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$file_path = dirname(__FILE__);
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// temp dir name used here
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$dirname = "$file_path/unlink_variation1";
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// temp filename used here
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$filename = "$dirname/unlink_variation1.tmp";
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2007-11-05 17:43:21 +00:00
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echo "\n*** Testing unlink() on file inside a directory ***\n";
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2007-07-18 04:59:46 +00:00
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// create temp dir
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mkdir($dirname);
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// create temp file inside $dirname
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$fp = fopen($filename, "w");
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fclose($fp);
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echo "-- Unlink file having default permission and its dir having read only permission --\n";
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// remove write permission of $dirname
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var_dump( chmod($dirname, 0444) );
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// now try deleting $filename
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var_dump( unlink($filename) ); // expected false
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var_dump( file_exists($filename) ); // confirm file is deleted
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// remove the dir
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var_dump( chmod($dirname, 0777) );
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var_dump( unlink($filename) ); // expected true
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var_dump( rmdir($dirname) );
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echo "\n-- Unlinking file without write permission, its dir having default permission --\n";
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// create the temp dir
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var_dump( mkdir($dirname) );
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// create the temp file
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$fp = fopen($filename, "w");
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fclose($fp);
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// remove write permission from file
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var_dump( chmod($filename, 0444) );
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// now try deleting temp file inside $dirname
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var_dump( unlink($filename) ); // expected: true
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var_dump( file_exists($filename) ); // expected: false
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// remove temp dir
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var_dump( rmdir($dirname) );
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing unlink() on file inside a directory ***
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-- Unlink file having default permission and its dir having read only permission --
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bool(true)
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Warning: unlink(%s): %s in %s on line %d
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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bool(true)
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-- Unlinking file without write permission, its dir having default permission --
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bool(true)
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bool(true)
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bool(true)
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bool(false)
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bool(true)
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Done
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