\n" . str_replace(array("\n", " "), array('
', ' '), htmlspecialchars($app_output)) . "\n";
else
return str_replace(array("\n", " "), array('
', ' '), htmlspecialchars($app_output));
}
return $app_output;
}
function app_has_output()
{
global $app_output;
return strlen(trim($app_output)) > 0;
}
function app_has_error()
{
global $app_error;
if(!is_array($app_error))
return false;
if(key($app_error) !== null)
return true;
else
{
@reset($app_error);
return false;
}
}
function app_get_error()
{
global $app_error;
$e = (object)current($app_error);
next($app_error);
return $e;
}
function app_check_update()
{
if($_GET['update'] == 1)
return true;
return false;
}
function app_check_settings()
{
if($_GET['settings'] == 1 || isset($_POST['app_settings']))
return true;
return false;
}
/**
* Mod Functions
*/
function app_get_mods()
{
global $app_mods;
$mods = array();
$dir = './mods';
foreach(new DirectoryIterator($dir) as $info)
{
if($info->isDir() && !$info->isDot())
{
$fname = str_replace('.php', '', $info->getFilename());
if(file_exists($dir . '/' . $fname . '/' . $fname . '.php'))
{
$mods[] = $fname;
if(isset($app_mods[$fname]))
$app_mods[$fname]['include'] = $dir . '/' . $fname . '/' . $fname . '.php';
else
{
$app_mods[$fname] = array();
$app_mods[$fname]['status'] = 'ready';
$app_mods[$fname]['include'] = $dir . '/' . $fname . '/' . $fname . '.php';
}
}
}
elseif($info->isFile())
{
$mods[] = $fname;
if(isset($app_mods[$fname]))
$app_mods[$fname]['include'] = $dir . '/' . $fname . '.php';
else
{
$app_mods[$fname] = array();
$app_mods[$fname]['status'] = 'ready';
$app_mods[$fname]['include'] = $dir . '/' . $fname . '.php';
}
}
}
return $mods;
}
function mod_activate($mod)
{
}
/*
function app_register_mod($name, $file)
{
global $app_mods;
if($app_mods[$name])
return;
$mod = array('name' => $name,
'file' => $file,
'status' => 'ready');
}
*/
function app_mod_install($name)
{
global $app_warnings;
global $app_mods;
if(!$app_mods[$name])
{
$app_warnings[] = 'Cannot install mod: ' . $name . ' is not available';
return;
}
require_once('mods/' . $app_mods[$name]['file']);
}
/**
* Core Functions
*/
/**
* Syntax Highlighting Functions
*/
//returns an associative array containing each line of code, line number, and error info
function app_highlight($source_code)
{
if (is_array($source_code))
return false;
$source_code = explode("\n", str_replace(array("\r\n", "\r"), "\n", $source_code));
$line_count = 1;
$source = array();
foreach ($source_code as $code_line)
{
$err = ''; //place holder
$errMsg = '';
global $app_error;
$c = count($app_error);
$errExists = false;
for($i = 0; ($i < $c) && !$errExists; $i++)
{
if($app_error[$i]['line'] == $line_count)
{
$err = $app_error[$i]['type'];
$errMsg = $app_error[$i]['message'];
$errExists = true;
}
}
if (preg_match('/<\?(php)?[^[:graph:]]/', $code_line) || $code_line == '', ''), '', app_highlight_string($code_line));
else
$formatted_code = preg_replace('/(<\?php )+/', '', str_replace(array('', ''), '', app_highlight_string($code_line, ' $line_count,
'code' => $formatted_code,
'error' => $err,
'error_msg' => $errMsg);
$line_count++;
}
return $source;
}
//helper function
//addresses comment bug in above function
function app_highlight_string($code, $append = '')
{
global $comment_toggle;
$out;
if($comment_toggle)
$out = str_replace('/*[temp]', '', highlight_string($append . '/*[temp]' . $code, true));
else
$out = highlight_string($append . $code, true);
if(strstr($code, '/*'))
$comment_toggle = true;
if(strstr($code, '*/'))
$comment_toggle = false;
return $out;
}
/**
* Page Element Functions
*/
$GLOBALS['app_elements'] = array();
function app_register_element($file)
{
$args = array();
$callback = '';
if(func_num_args() > 1)
{
$args = func_get_args();
array_shift($args); //remove $file
//array_shift($args); //remove $position
$callback = array_shift($args);
}
$GLOBALS['app_elements'][] = array('file' => $file,
'callback' => $callback,
'args' => $args);
}
function app_get_elements()
{
$app_elements = $GLOBALS['app_elements'];
return $app_elements;
}
/**
* Setting functions
*/
function app_register_setting($name, $label, $type, $default = null, $options = null, $group = null)
{
global $app_settings;
$form_group = ($group) ? $group : 'main';
$app_settings['template_settings'][$group][$name] = array('label' => $label, 'type' => $type, 'default' => $default, 'options' => $options);
}
function app_get_form_settings($group = null)
{
return ($group) ? $app_settings['template_settings'][$group] : $app_settings['template_settings'];
}
function app_settings_draw($excludes = null)
{
global $app_settings;
$groups = array();
if($excludes && is_array($excludes))
{
foreach($app_settings['template_settings'] as $group => $elements)
{
if(!in_array($group, $excludes))
{
$groups[$group] = $elements;
}
}
}
else
{
$groups = $app_settings['template_settings'];
}
$names = array();
ob_start();
foreach($groups as $group => $elements) : ?>
$e) : $names[] = $name; ?>
value="1" />
$rValue) : ?>
/>
isDir() && !$info->isDot())
{
if(file_exists($dir . '/' . $info->getFilename() . '/reg.php'))
$templates[] = $info->getFilename();
}
}
return $templates;
}
/**
* Eval Functions
*/
function app_eval($app_code)
{
set_error_handler('app_error_handler');
$app_pre = 'ob_start();';
$app_post = ' $apparatusOutput = ob_get_clean();';
eval($app_pre . $app_code . $app_post);
restore_error_handler();
$app_output = $apparatusOutput;
return $app_output;
}
/**
* Error Functions
*/
function app_functions_exist($code, &$undefined)
{
$constructs = array('array', 'for', 'foreach', 'if', 'elseif', 'while', 'function',
'switch', 'case', 'and', 'or', 'as', 'catch', 'clone',
'declare', 'new', 'use', 'xor', 'die', 'echo', 'empty',
'exit', 'eval', 'include', 'include_once', 'isset',
'list', 'require', 'require_once', 'return', 'print',
'unset');
$undefined = array();
preg_match_all('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*[ ]*\(/', $code, $matches, PREG_OFFSET_CAPTURE);
$matches = $matches[0];
//print_r($matches);
foreach($matches as $m)
{
$func = str_replace(array(' ', '('), '', $m[0]);
//if the function does not exist
if(!function_exists($func))
{
//and is not currently being defined
if(!preg_match('/function[ ]*' . $func .'/', $code) &&
!preg_match('/class[ ]*' . $func .'/', $code) &&
!preg_match('/new[ ]*' . $func .'/', $code))
{
//and is not a comment
if(!preg_match('/\/\*(.|\n)*'. $func .'(.|\n)*\*\//', $code) && !preg_match('/\/\/(.*)'. $func .'(.*)\n/', $code))
{
//and is not a object method
if(!preg_match('/->' . $func . '/', $code))
//and is not a construct
if(!in_array($func, $constructs))
{
//$undefined[] = $m;
$offset = $m[1];
$line = 1;
for($i = 0; $i < $offset; $i++)
{
if($code[$i] == "\n")
$line++;
}
$undefined[] = array(
'type' => 'Fatal error',
'line' => $line,
'message' => 'Call to undefined function ' . $func . '()'
);
}
}
}
}
}
if(count($undefined) == 0)
return true;
return false;
}
function app_error_handler($errno, $errstr, $errfile, $errline)
{
global $app_error;
switch($errno)
{
case E_PARSE:
case E_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
$app_error[] = array('type' => 'Error', 'message' => $errstr, 'line' => $errline);
break;
case E_WARNING:
case E_COMPILE_WARNING:
case E_USER_WARNING:
$app_error[] = array('type' => 'Warning', 'message' => $errstr, 'line' => $errline);
break;
case E_NOTICE:
case E_USER_NOTICE:
$app_error[] = array('type' => 'Notice', 'message' => $errstr, 'line' => $errline);
break;
default:
$app_error[] = array('type' => 'Unknown', 'message' => $errstr, 'line' => $errline);
}
return true;
}
/**
* Version Functions
*/
//checks if a newer version is available
//returns false if up to date, returns the
//latest version if not
function app_update(&$error)
{
global $app_version;
global $app_version_check;
$error = false;
$params = array('http' => array(
'method' => 'GET'
));
$ctx = stream_context_create($params);
$req = @file_get_contents($app_version_check, null, $ctx);
if(!$req)
{
$error = true;
return false;
}
if(app_version_compare($app_version, $req) == -1)
return $req;
return false;
}
//Compares two version strings, returns 1 if test is >, 0 if =, -1 if <
//Only works with numeric version strings (ie #.#... ex 3.1.2)
function app_version_compare($test, $current)
{
$currArr = explode('.', $current);
$testArr = explode('.', $test);
$testCount = count($testArr);
$currCount = count($currArr);
//select the string with the fewest elements
$c = ($testCount < $currCount) ? $testCount : $currCount;
//scan the string from major to minor
for($i = 0; $i < $c; $i++)
{
//if the ith element of test is greater than curr
if((int)$testArr[$i] > (int)$currArr[$i])
return 1;
elseif((int)$testArr[$i] < (int)$currArr[$i])
return -1;
}
//so far they are equal
//if test has more elements than curr
if($testCount > $currCount)
return 1;
elseif($testCount < $currCount)
return -1;
//if we make it this far they are equal
return 0;
}