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<?php
/**
* @version $Header: /cvsroot/bitweaver/_bit_kernel/Attic/preflight_inc.php,v 1.2 2005/06/28 07:45:45 spiderr Exp $
* @package kernel
* @subpackage functions
*/
/**
* * Return system defined temporary directory.
* In Unix, this is usually /tmp
* In Windows, this is usually c:\windows\temp or c:\winnt\temp
* \static
*/
function getTempDir()
{
static $tempdir;
if (!$tempdir)
{
$tempfile = tempnam(false, 'foo');
$tempdir = dirname($tempfile);
@unlink($tempfile);
}
return $tempdir;
}
/**
* * Return true if windows, otherwise false
* \static
*/
function isWindows()
{
static $windows;
if (!isset($windows))
{
$windows = substr(PHP_OS, 0, 3) == 'WIN';
}
return $windows;
}
function mkdir_p($target, $perms = 0777)
{
global $gDebug;
$target;
if (file_exists($target) || is_dir($target))
{
if ($gDebug) echo "mkdir_p() - file already exists $target<br>";
return 0;
}
if (isWindows()) {
} else {
if (substr($target, 0, 1) != '/') {
if ($gDebug) echo "mkdir_p() - prepending with a /<br>";
$target = "/$target";
}
if( ereg('\.\.', $target) ) {
if ($gDebug) echo "mkdir_p() - invalid Unix path $target<br>";
return 0;
}
}
$oldu = umask(0);
if (@mkdir($target, $perms)) {
umask($oldu);
if ($gDebug) echo "mkdir_p() - creating $target<br>";
return 1;
} else {
umask($oldu);
$parent = substr($target, 0, (strrpos($target, '/')));
if ($gDebug) {
echo "mkdir_p() - trying to create parent $parent<br>";
}
if (mkdir_p($parent, $perms)) {
// make the actual target!
@mkdir($target, $perms);
return 1;
}
}
}
/*
function mkdir_p($target, $perms = 0777)
{
global $gDebug;
if (file_exists($target) || is_dir($target))
{
if ($gDebug) echo "mkdir_p() - file already exists $target<br>";
return 0;
}
if (isWindows()) {
} else {
if (substr($target, 0, 1) != '/') {
if ($gDebug) echo "mkdir_p() - prepending with a /<br>";
$target = "/$target";
}
if (ereg('\.\.', $target) || !preg_match("/[-a-zA-Z0-9\._\/]*-space-/", $target)) {
if ($gDebug) echo "mkdir_p() - invalid Unix path $target<br>";
return 0;
}
}
$oldu = umask(0);
if (@mkdir($target, $perms)) {
umask($oldu);
if ($gDebug) echo "mkdir_p() - creating $target<br>";
return 1;
} else {
umask($oldu);
$parent = substr($target, 0, (strrpos($target, '/')));
if ($gDebug) {
echo "mkdir_p() - trying to create parent $parent<br>";
}
if (mkdir_p($parent, $perms)) {
mkdir_p($target, $perms);
}
}
}
*/
/**
* Check minimum PHP version
* @param pVersion is the minimum PHP version required
*/
function chkPhpVersion($pVersion)
{
$this->chkPhpExtension("", $pVersion);
}
/**
* Check minimum PHP extension version
* @param pExtension is the extension name
* @param pVersion is the minimum extension version required
**/
function chkPhpExtension($pExtension, $pVersion)
{
$success = version_compare(phpversion($pExtension), $pVersion, "<");
$pExtension = ($pExtension != "") ? $pExtension : "PHP";
return $success;
}
/**
* Used to check if files are writeable by the webserver
* @param pFile the name of the file to be checked
**/
function isFileWriteable($pFile)
{
$success = 1;
if (!@file_exists($pFile)) {
$success = 0;
$data = "not exist";
} elseif (!@is_file($pFile)) {
$success = 0;
$data = "not file";
} elseif (!@is_writable($pFile)) {
$success = 0;
$data = "not writeable";
}
return $success;
// $data is currently redundant
}
/**
* Used to check if directories are writeable by the webserver
* @param pDir the name of the directory to be checked
**/
function isDirectoryWriteable($pDir)
{
$success = 1;
if (!@file_exists($pDir)) {
$success = 0;
$data = "not exist";
} elseif (!@is_dir($pDir)) {
$success = 0;
$data = "not directory";
} elseif (!@is_writable($pDir)) {
$success = 0;
$data = "not writeable";
}
return $success;
// $data is currently redundant
}
/**
* Used to check php.ini settings
* @param pName setting name
* @param pValue setting value
* @param pComp setting comparison
**/
function chkPhpSetting($pName, $pValue, $pComp='')
{
$actual = ini_get($pName);
eregi("^([0-9]+)[KMG]$", $actual, $x);
$actual = (isset($x)) ? $x[1] : $actual;
switch($pComp) {
case ">=":
$success = ($actual >= $pValue) ? 1 : 0;
break;
default:
$success = ($actual == $pValue) ? 1 : 0;
}
return $success;
// redundant $data = serialize(array("check" => $pValue, "actual" => $actual));
}
?>
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