public function eval_function($function, $args)
{
$method = '__' . $function;
$result = '';
if (strpos($function, '::') !== false) {
list($class, $class_method) = explode('::', $function, 2);
if (!isset($this->xt_syntax_plugins[$class]) || $this->xt_syntax_plugins[$class]) {
if (!isset($this->xt_syntax_plugins[$class])) {
if (file_exists($this->xt_syntax_plugins_directory . 'xt_' . $class . '.php')) {
require $this->xt_syntax_plugins_directory . 'xt_' . $class . '.php';
if (class_exists('xt_' . $class)) {
$this->xt_syntax_plugins[$class] = true;
if (method_exists('xt_' . $class, '__setup') && is_callable(array('xt_' . $class, '__setup'))) {
call_user_func(array('xt_' . $class, '__setup'), $this->url, $this->info);
}
}
}
}
foreach ($args as $key => $val) {
$args[$key] = $this->eval_vars($val);
}
return call_user_func(array('xt_' . $class, $class_method), $args);
}
}
if (method_exists($this, $method)) {
foreach ($args as $key => $val) {
$args[$key] = $this->eval_vars($val);
}
$result = call_user_func(array($this, $method), $args);
} else {
if (!isset($this->xt_syntax_functions[$function]['code'])) {
$result = 'XtScript Error: Undefined function `' . $function . '`';
} else {
$arguments = $this->xt_syntax_functions[$function]['args'];
foreach ($arguments as $key => $val) {
if (isset($args[$key])) {
$arguments[$key] = $this->eval_vars($args[$key]);
}
}
$vars = array_merge($this->vars, $arguments);
$obj = new script($this->url, $this->info, $vars, $this->xt_syntax_functions);
$result = $obj->eval_syntax($this->xt_syntax_functions[$function]['code'], $this->version);
}
}
return $result;
}
<?php
$DIR = dirname(__FILE__);
//dummy xtgem functions
require $DIR . '/xtgem.php';
//main xtscript file
require $DIR . '/script.php';
//example content
$contents = file_get_contents($DIR . '/examples.txt');
//example site
$url = 'test.xtgem.com/index';
$info = array();
$url_vars = array();
if (preg_match_all('#<!--parser:xtscript-->(.+?)<!--/parser:xtscript-->#mis', $contents, $sm)) {
$script = new script($url, $info, $url_vars);
$version = 1;
try {
foreach ($sm[1] as $key => $part) {
$contents = preg_replace('#' . preg_quote($sm[0][$key], '#') . '#', $script->eval_syntax($part, $version), $contents, 1);
}
} catch (SyntaxException $e) {
die($e->errorMessage($syntax, $e));
}
}
die($contents);
