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<?php
/* lib/prepend.php
*
* Things which must be done and defined before anything else.
*/
$RCS_IDS = '';
function rcs_id ($id) {
// Save memory
if (defined('DEBUG') and DEBUG)
$GLOBALS['RCS_IDS'] .= "$id\n";
}
rcs_id('$Id: prepend.php,v 1.61 2007/06/07 16:59:06 rurban Exp $');
// see lib/stdlib.php: phpwiki_version()
define('PHPWIKI_VERSION', '1.3.14');
/**
* Returns true if current php version is at mimimum a.b.c
* Called: check_php_version(4,1)
*/
function check_php_version ($a = '0', $b = '0', $c = '0') {
static $PHP_VERSION;
if (!isset($PHP_VERSION))
$PHP_VERSION = substr( str_pad( preg_replace('/\D/','', PHP_VERSION), 3, '0'), 0, 3);
return ($PHP_VERSION >= ($a.$b.$c));
}
/** PHP5 deprecated old-style globals if !(bool)ini_get('register_long_arrays').
* See Bug #1180115
* We want to work with those old ones instead of the new superglobals,
* for easier coding.
*/
/*
foreach (array('SERVER','REQUEST','GET','POST','SESSION','ENV','COOKIE') as $k) {
if (!isset($GLOBALS['HTTP_'.$k.'_VARS']) and isset($GLOBALS['_'.$k])) {
$GLOBALS['HTTP_'.$k.'_VARS'] =& $GLOBALS['_'.$k];
}
}
*/
// A new php-5.1.x feature: Turn off php-5.1.x auto_globals_jit = On, or use this mess below.
if (empty($GLOBALS['HTTP_SERVER_VARS'])) {
$GLOBALS['HTTP_SERVER_VARS'] =& $_SERVER;
$GLOBALS['HTTP_ENV_VARS'] =& $_ENV;
$GLOBALS['HTTP_GET_VARS'] =& $_GET;
$GLOBALS['HTTP_POST_VARS'] =& $_POST;
$GLOBALS['HTTP_SESSION_VARS'] =& $_SESSION;
$GLOBALS['HTTP_COOKIE_VARS'] =& $_COOKIE;
$GLOBALS['HTTP_REQUEST_VARS'] =& $_REQUEST;
}
unset($k);
// catch connection failures on upgrade
if (isset($GLOBALS['HTTP_GET_VARS']['action'])
and $GLOBALS['HTTP_GET_VARS']['action'] == 'upgrade')
define('ADODB_ERROR_HANDLER_TYPE', E_USER_WARNING);
// If your php was compiled with --enable-trans-sid it tries to
// add a PHPSESSID query argument to all URL strings when cookie
// support isn't detected in the client browser. For reasons
// which aren't entirely clear (PHP bug) this screws up the URLs
// generated by PhpWiki. Therefore, transparent session ids
// should be disabled. This next line does that.
//
// (At the present time, you will not be able to log-in to PhpWiki,
// unless your browser supports cookies.)
@ini_set('session.use_trans_sid', 0);
if (defined('DEBUG') and (DEBUG & 8) and extension_loaded("xdebug")) {
xdebug_start_trace("trace"); // on Dbgp protocol add 2
xdebug_enable();
}
// Used for debugging purposes
class DebugTimer {
function DebugTimer() {
$this->_start = $this->microtime();
if (function_exists('posix_times'))
$this->_times = posix_times();
}
/**
* @param string $which One of 'real', 'utime', 'stime', 'cutime', 'sutime'
* @return float Seconds.
*/
function getTime($which='real', $now=false) {
if ($which == 'real')
return $this->microtime() - $this->_start;
if (isset($this->_times)) {
if (!$now) $now = posix_times();
$ticks = $now[$which] - $this->_times[$which];
return $ticks / $this->_CLK_TCK();
}
return 0.0; // Not available.
}
function getStats() {
if (!isset($this->_times)) {
// posix_times() not available.
return sprintf("real: %.3f", $this->getTime('real'));
}
$now = posix_times();
return sprintf("real: %.3f, user: %.3f, sys: %.3f",
$this->getTime('real'),
$this->getTime('utime', $now),
$this->getTime('stime', $now));
}
function _CLK_TCK() {
// FIXME: this is clearly not always right.
// But how to figure out the right value?
return 100.0;
}
function microtime(){
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
}
$RUNTIMER = new DebugTimer;
/*
if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
else
error_reporting(E_ALL); // php4
//echo " prepend: ", error_reporting();
*/
require_once(dirname(__FILE__).'/ErrorManager.php');
require_once(dirname(__FILE__).'/WikiCallback.php');
// FIXME: deprecated
function ExitWiki($errormsg = false)
{
global $request;
static $in_exit = 0;
if (is_object($request) and method_exists($request,"finish"))
$request->finish($errormsg); // NORETURN
if ($in_exit)
exit;
$in_exit = true;
global $ErrorManager;
$ErrorManager->flushPostponedErrors();
if(!empty($errormsg)) {
PrintXML(HTML::br(), $errormsg);
print "\n</body></html>";
}
exit;
}
if (!defined('DEBUG') or (defined('DEBUG') and DEBUG > 2)) {
$ErrorManager->setPostponedErrorMask(E_ALL); // ignore all errors
$ErrorManager->setFatalHandler(new WikiFunctionCb('ExitWiki'));
} else {
$ErrorManager->setPostponedErrorMask(E_USER_NOTICE | E_NOTICE);
}
// (c-file-style: "gnu")
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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