case 'gzip':
if (!gzipVersion()) {
die('ERROR: gzip does not appear to be installed');
}
$commandline .= ' | gzip -cf' . OUTPUT_COMPRESSION_LEVEL . ' > ' . $newfullfilename;
break;
case 'none':
$commandline .= ' > ' . $newfullfilename;
break;
default:
die('ERROR: OUTPUT_COMPRESSION_TYPE (' . htmlentities(OUTPUT_COMPRESSION_TYPE) . ') must be one of "bzip2", "gzip", "none"');
break;
}
set_time_limit(300);
// shouldn't take nearly this long for anything, but just in case...
echo SafeExec($commandline);
echo '<hr>';
} else {
switch (OUTPUT_COMPRESSION_TYPE) {
case 'gzip':
case 'none':
// great
break;
case 'bzip2':
if (!function_exists('bzopen')) {
die('ERROR: PHP-bzip2 support does not appear to be installed, please change OUTPUT_COMPRESSION_TYPE to one of "gzip" or "none"');
}
break;
default:
die('ERROR: OUTPUT_COMPRESSION_TYPE (' . htmlentities(OUTPUT_COMPRESSION_TYPE) . ') must be one of "bzip2", "gzip", "none"');
break;
function bzip2Version()
{
static $version = null;
if (is_null($version)) {
$version = false;
$execdversion = SafeExec('bzip2 --version 2>&1');
if (eregi('^bzip2(.*) Version ([0-9\\.]+)', $execdversion, $matches)) {
$version = $matches[2];
} elseif (eregi('^bzip2:', $execdversion, $matches)) {
$version = 'installed_unknown_version';
}
}
return $version;
}
function bzip2Version()
{
static $version = null;
if ($version === null) {
$version = false;
$execdversion = SafeExec('bzip2 --version 2>&1');
if (preg_match('#^bzip2(.*) Version ([0-9\\.]+)#i', $execdversion, $matches)) {
$version = $matches[2];
} elseif (preg_match('#^bzip2:#i', $execdversion, $matches)) {
$version = 'installed_unknown_version';
}
}
return $version;
}