/**
* file_exists()
*
* Tests whether a file (with path) exists in the given zip file
* If leave_open is true then the zip object will be left open for faster checking for subsequent files within this zip
*
* @param string $zip_file The zip file to check
* @param string $locate_file The file to test for
* @param bool $leave_open Optional: True if the zip file should be left open
* @return bool/array True if the file is found in the zip and false if not, array for other problem
*
*/
public function file_exists($zip_file, $locate_file, $leave_open = false)
{
$result = false;
$za = NULL;
// This should give us a new archive object, of not catch it and bail out
try {
$za = new pluginbuddy_ZipArchive();
$result = true;
} catch (Exception $e) {
// Something fishy - the methods indicated ziparchive but we couldn't find the class
$error_string = $e->getMessage();
pb_backupbuddy::status('details', sprintf(__('ziparchive indicated as available method but error reported: %1$s', 'it-l10n-backupbuddy'), $error_string));
$result = false;
}
// Only continue if we have a valid archive object
if (true === $result) {
$result = $za->open($zip_file);
// Make sure we opened the zip ok
if (true === $result) {
// Now try and find the index of the file
$index = $za->locateName($locate_file);
// If we got an index we found it otherwise not found
if (false !== $index) {
pb_backupbuddy::status('details', __('File found (ziparchive)', 'it-l10n-backupbuddy') . ': ' . $locate_file);
$result = true;
} else {
pb_backupbuddy::status('details', __('File not found (ziparchive)', 'it-l10n-backupbuddy') . ': ' . $locate_file);
$result = false;
}
} else {
// Couldn't open archive - will return for maybe another method to try
$error_string = $za->errorInfo($result);
pb_backupbuddy::status('details', sprintf(__('ZipArchive failed to open file to check if file exists (looking for %1$s in %2$s) - Error Info: %3$s.', 'it-l10n-backupbuddy'), $locate_file, $zip_file, $error_string));
// Return an error code and a description - this needs to be handled more generically
$result = array(1, "Unable to get archive contents");
}
// We have finished with the archive (leave_open ignored for now)
$za->close();
}
if (NULL != $za) {
unset($za);
}
return $result;
}
