Initial commit: plantilla base PHP para webs Acai CMS
This commit is contained in:
Jordan
188
cms/lib/init.php
Executable file
188
cms/lib/init.php
Executable file
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<?php
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$START_TIME = microtime(); // needs to be first to get accurate time reading
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define('REQUIRED_PHP_VERSION', '5.6'); // Released May 2003
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define('REQUIRED_MYSQL_VERSION', '4.1.7'); // Released 23 October 2004 - First Production Release
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define("RUTA_PLANTILLA_FROM_INIT","/template/estandar");
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enableErrorReporting();
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updatePHPSettings();
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displayInitErrors();
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renameAndRemoveDefaultFiles();
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$programDir = _getProgramDir();
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require_once "$programDir/lib/classes/Db.php";
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require_once "$programDir/lib/common.php";
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require_once "$programDir/lib/database_functions.php";
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global $SETTINGS;
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setRequestGlobal(); // this must be called _AFTER_ updatePHPSettings() - uses fixed PATH_INFO _and_ undo magic_quotes
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setProgramGlobals(); // this must be called _AFTER_ load libraries - uses loadINI
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loadPlugins();
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if (function_exists('date_default_timezone_set')) {
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if (!@date_default_timezone_set($SETTINGS['timezone'])) {
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@$GLOBALS['APP']['alerts'] .= "Error setting timezone to '{$SETTINGS['timezone']}', Invalid timezone name.<br/>\n";
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date_default_timezone_set('UTC');
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}
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}
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displaySocketErrors();
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if ($SETTINGS['isInstalled']) {
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connectToMySQL();
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}
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function enableErrorReporting() {
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if (!defined('E_STRICT')) { define('E_STRICT', 2048); } // define E_STRICT for PHP < 5
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error_reporting(E_ALL | E_STRICT); // display all errors
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ini_set('display_errors', '1');
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ini_set('display_startup_errors', '1');
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ini_set('track_errors', '1'); // store last error in $php_errormsg
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ini_set('html_errors', '0'); // don't output html links in error messages
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ini_set('mysql.trace_mode', '0'); // when this is enabled SQL_CALC_FOUND_ROWS and FOUND_ROWS doesn't work: https://bugs.php.net/bug.php?id=33021
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}
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function updatePHPSettings() {
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umask(0); // use default permission on created files
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ini_set('memory_limit', '128M'); // raise memory limit (if allowed)
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ini_set('magic_quotes_runtime', 0); // disable magic_quotes_runtime (backslashes quotes in input)
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ini_set('default_charset', 'utf-8'); //
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ini_set('mysql.connect_timeout', 5); // PHP default of 60 ties up browser for too long - mysql.connect_timeout may not work on windows
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if (!ini_get('sendmail_from')) { ini_set('sendmail_from', ''); }
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set_include_path(_getProgramDir() . PATH_SEPARATOR . get_include_path());
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/*
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// Anael: Esto ya no debería usarse para nada y da problemas en nuevas versiones de PHP
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if (get_magic_quotes_gpc()) { // undo deprecated php magic_quotes feature
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$in = array(&$_GET, &$_POST, &$_COOKIE); // code from: https://talks.php.net/show/php-best-practices/26
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while (list($k,$v) = each($in)) {
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foreach ($v as $key => $val) {
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if (!is_array($val)) {
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$in[$k][$key] = stripslashes($val);
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continue;
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}
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$in[] =& $in[$k][$key];
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}
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}
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unset($in);
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}
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*/
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$isCgiMode = PHP_SAPI == 'cgi' || PHP_SAPI == 'cgi-fcgi';
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if ($isCgiMode && @$_SERVER['REQUEST_URI']) {
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list($scriptUri) = explode('?', $_SERVER['REQUEST_URI']); // remove query string
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if (@$_SERVER["PATH_INFO"] && @$_SERVER["PATH_INFO"] != $scriptUri) { // remove PATH_INFO
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$escapedPathInfo = preg_quote($_SERVER['PATH_INFO'], '/');
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$scriptUri = preg_replace("/$escapedPathInfo$/", "", $scriptUri);
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}
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$_SERVER['SCRIPT_NAME'] = $scriptUri;
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}
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$_SERVER['PHP_'.'SELF'] = @$_SERVER['SCRIPT_NAME'];
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if (@$_SERVER["PATH_INFO"] == @$_SERVER['PHP_'.'SELF']) { $_SERVER["PATH_INFO"] = ""; }
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if (!@$_SERVER['DOCUMENT_ROOT']) {
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$_SERVER['DOCUMENT_ROOT'] = substr(__FILE__, 0, 0-strlen(@$_SERVER['SCRIPT_NAME']));
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}
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$_SERVER['DOCUMENT_ROOT'] .= "/"; // make sure we have trailing slash
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$_SERVER['DOCUMENT_ROOT'] = preg_replace('/[\\\\\/]+/', '/', @$_SERVER['DOCUMENT_ROOT']); // replace and collapse slashes
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}
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function displayInitErrors() {
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$errors = "";
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if (version_compare(phpversion(), REQUIRED_PHP_VERSION) < 0) {
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$errors .= "This program requires PHP v" .REQUIRED_PHP_VERSION. " or greater. You have PHP v" .phpversion(). " installed.<br/>\n";
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$errors .= "Please ask your server adminstrator to upgrade PHP to a newer version.<br/><br/>\n";
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die($errors);
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}
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$missingExtensions = "";
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if (!extension_loaded("gd")) { $missingExtensions .= "This program requires the PHP 'GD' extension.<br/>\n"; }
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if ($missingExtensions) {
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$errors .= "$missingExtensions";
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$errors .= "Please ask your server administrator to install missing PHP extension(s).<br/><br/>\n";
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}
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if (!function_exists('imagecreatefromjpeg')) {
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$errors .= "PHP doesn't support jpegs (or thumbnails). Please ask your server administrator to recompile PHP with jpeg support.<br/>\n";
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$errors .= "<b>Server Administrators:</b> imagecreatefromjpeg() isn't defined.\n";
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$errors .= "Search these <a href='https://www.php.net/imagecreatefromjpeg'>comments</a> on php.net for 'undefined function' for more details.<br/><br/>\n";
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}
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if (ini_get('magic_quotes_runtime')) { $errors .= "Please disable the 'magic_quotes_runtime' setting in php.ini or with .htaccess.<br/>\n"; }
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if (ini_get('magic_quotes_sybase')) { $errors .= "Please disable the 'magic_quotes_sybase' setting in php.ini or with .htaccess.<br/>\n"; }
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if (ini_get('safe_mode')) { $errors .= "Please disable the 'safe_mode' setting in php.ini.<br/>\n"; }
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if ($errors) { die($errors); }
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}
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function renameAndRemoveDefaultFiles() {
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$defaultFiles = array('data/settings.dat.php');
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$programDir = _getProgramDir();
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foreach ($defaultFiles as $targetFile) {
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$targetPath = "$programDir/$targetFile";
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$defaultPath = "$targetPath.default";
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if (!file_exists($defaultPath)) {
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continue;
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}
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if (!file_exists($targetPath)) {
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rename($defaultPath, $targetPath) || die("Error renaming '$defaultPath' : $php_errormsg! Make sure this file and it's directory are writable!");
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}
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else {
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unlink($defaultPath) || die("Error deleting '$defaultPath' : $php_errormsg! Make sure this file and it's directory are writable!");
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}
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}
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}
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function setRequestGlobal() {
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$_REQUEST = $_POST + $_GET;
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// define form
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if (@$_SERVER['PATH_INFO']) { // add form values from PATH_INFO (example app.php/name-value/city-Vancouver/)
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$pairs = explode("/", $_SERVER['PATH_INFO']);
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foreach ($pairs as $pair) {
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if (!$pair) { continue; } // skip blank
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@list($encodedName, $encodedValue) = explode('-', $pair, 2);
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$name = urldecode($encodedName);
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$value = urldecode($encodedValue);
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if (array_key_exists($name, $_REQUEST)) { continue; } // skip if already defined in GET/POST
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$_REQUEST[$name] = $value;
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}
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}
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}
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function setProgramGlobals() {
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global $TABLE_PREFIX, $PROGRAM_DIR, $APP, $SETTINGS, $MENU_OPTIONS;
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$settingsPath = _getProgramDir() . "/data/settings.dat.php";
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// set globals
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$SETTINGS = loadINI($settingsPath);
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$TABLE_PREFIX = $SETTINGS['mysql']['tablePrefix'];
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$PROGRAM_DIR = _getProgramDir();
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$MENU_OPTIONS = array();
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$APP = array(
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'version' => '1.26',
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'build' => '1',
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'id' => '19',
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'key' => '35809',
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'datadir' => "$PROGRAM_DIR/data/",
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'pluginsdir' => "$PROGRAM_DIR/lib/plugins",
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'settingsFilepath' => $settingsPath, // set this ABOVE and BELOW!
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);
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}
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function displaySocketErrors() {
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if (!$GLOBALS['SETTINGS']['isInstalled']) {
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$handle = @fsockopen("tcp://www.google.com", 80, $errno, $errstr, 5);
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if (!$handle) {
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$errors = "Error: PHP fsockopen() and/or network connectivity disabled!<br/>\n";
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$errors .= "Test connection to www.google.com return error #" .@$errno. " - " .@$errstr. "<br/><br/>\n";
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$errors .= "Please ask your server administrator to enable network connectivity for PHP.<br/><br/>\n";
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die($errors);
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}
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}
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}
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function _getProgramDir() {
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static $programDir;
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if (!$programDir) {
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$programDir = pathinfo(pathinfo(__FILE__, PATHINFO_DIRNAME), PATHINFO_DIRNAME);
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$isUncPath = substr($programDir, 0, 2) == '\\\\';
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$programDir = preg_replace('/[\\\\\/]+/', '/', $programDir); // replace and collapse slashes
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if ($isUncPath) { $programDir = substr_replace($programDir, '\\\\', 0, 1); } // replace UNC prefix
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}
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return $programDir;
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}
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?>
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