| public registerUndefinedFilterCallback ( $callable ) |
/**
* Twig initialization that sets the twig loader chain, then the environment, then extensions
* and also the base set of twig vars
*/
public function init()
{
if (!isset($this->twig)) {
/** @var Config $config */
$config = $this->grav['config'];
/** @var UniformResourceLocator $locator */
$locator = $this->grav['locator'];
$debugger = $this->grav['debugger'];
$this->twig_paths = $locator->findResources('theme://templates');
$this->grav->fireEvent('onTwigTemplatePaths');
$this->loader = new \Twig_Loader_Filesystem($this->twig_paths);
$this->loaderArray = new \Twig_Loader_Array(array());
$loader_chain = new \Twig_Loader_Chain(array($this->loaderArray, $this->loader));
$params = $config->get('system.twig');
if (!empty($params['cache'])) {
$params['cache'] = $locator->findResource('cache://twig', true, true);
}
$this->twig = new \Twig_Environment($loader_chain, $params);
if ($debugger->enabled() && $config->get('system.debugger.twig')) {
$this->twig = new \DebugBar\Bridge\Twig\TraceableTwigEnvironment($this->twig);
$collector = new \DebugBar\Bridge\Twig\TwigCollector($this->twig);
$debugger->addCollector($collector);
}
if ($config->get('system.twig.undefined_functions')) {
$this->twig->registerUndefinedFunctionCallback(function ($name) {
if (function_exists($name)) {
return new \Twig_Function_Function($name);
}
return new \Twig_Function_Function(function () {
});
});
}
if ($config->get('system.twig.undefined_filters')) {
$this->twig->registerUndefinedFilterCallback(function ($name) {
if (function_exists($name)) {
return new \Twig_Filter_Function($name);
}
return new \Twig_Filter_Function(function () {
});
});
}
$this->grav->fireEvent('onTwigInitialized');
// set default date format if set in config
if ($config->get('system.pages.dateformat.long')) {
$this->twig->getExtension('core')->setDateFormat($config->get('system.pages.dateformat.long'));
}
// enable the debug extension if required
if ($config->get('system.twig.debug')) {
$this->twig->addExtension(new \Twig_Extension_Debug());
}
$this->twig->addExtension(new TwigExtension());
$this->grav->fireEvent('onTwigExtensions');
// Set some standard variables for twig
$this->twig_vars = array('grav' => $this->grav, 'config' => $config, 'uri' => $this->grav['uri'], 'base_dir' => rtrim(ROOT_DIR, '/'), 'base_url' => $this->grav['base_url'], 'base_url_absolute' => $this->grav['base_url_absolute'], 'base_url_relative' => $this->grav['base_url_relative'], 'theme_dir' => $locator->findResource('theme://'), 'theme_url' => $this->grav['base_url'] . '/' . $locator->findResource('theme://', false), 'site' => $config->get('site'), 'assets' => $this->grav['assets'], 'taxonomy' => $this->grav['taxonomy'], 'browser' => $this->grav['browser']);
}
}
/**
* @param array $values
*/
public function __construct($values = array())
{
$defaults['twig.options'] = array();
$defaults['twig.directories'] = array();
$defaults['twig.loader'] = function ($meadow) {
// this needs to be lazy or theme switchers and alike explode it
$stylesheet_dir = get_stylesheet_directory();
$template_dir = get_template_directory();
$calculated_dirs = array($stylesheet_dir, $template_dir, plugin_dir_path(__DIR__) . 'twig');
// enables explicit inheritance from parent theme in child
if ($stylesheet_dir !== $template_dir) {
$calculated_dirs[] = dirname($template_dir);
}
$directories = array_unique(array_merge($calculated_dirs, $meadow['twig.directories']));
return new \Twig_Loader_Filesystem($directories);
};
$defaults['twig.undefined_function'] = array(__CLASS__, 'undefined_function');
$defaults['twig.undefined_filter'] = array(__CLASS__, 'undefined_filter');
$defaults['twig.environment'] = function ($meadow) {
$environment = new \Twig_Environment($meadow['twig.loader'], $meadow['twig.options']);
$meadow_extension = new Extension();
$environment->addExtension($meadow_extension);
$environment->registerUndefinedFunctionCallback($meadow['twig.undefined_function']);
$environment->registerUndefinedFilterCallback($meadow['twig.undefined_filter']);
if (defined('WP_DEBUG') && WP_DEBUG) {
$debug_extension = new \Twig_Extension_Debug();
$environment->addExtension($debug_extension);
$environment->enableDebug();
}
return $environment;
};
$defaults['hierarchy'] = function () {
return new Template_Hierarchy();
};
parent::__construct(array_merge($defaults, $values));
}
/**
* Twig initialization that sets the twig loader chain, then the environment, then extensions
* and also the base set of twig vars
*/
public function init()
{
if (!isset($this->twig)) {
/** @var Config $config */
$config = $this->grav['config'];
/** @var UniformResourceLocator $locator */
$locator = $this->grav['locator'];
/** @var Language $language */
$language = $this->grav['language'];
$active_language = $language->getActive();
$language_append = '';
if ($language->getDefault() != $active_language || $config->get('system.languages.include_default_lang') === true) {
$language_append = $active_language ? '/' . $active_language : '';
}
// handle language templates if available
if ($language->enabled()) {
$lang_templates = $locator->findResource('theme://templates/' . ($active_language ? $active_language : $language->getDefault()));
if ($lang_templates) {
$this->twig_paths[] = $lang_templates;
}
}
$this->twig_paths = array_merge($this->twig_paths, $locator->findResources('theme://templates'));
$this->grav->fireEvent('onTwigTemplatePaths');
$this->loader = new \Twig_Loader_Filesystem($this->twig_paths);
$this->loaderArray = new \Twig_Loader_Array([]);
$loader_chain = new \Twig_Loader_Chain([$this->loaderArray, $this->loader]);
$params = $config->get('system.twig');
if (!empty($params['cache'])) {
$cachePath = $locator->findResource('cache://twig', true, true);
$params['cache'] = new \Twig_Cache_Filesystem($cachePath, \Twig_Cache_Filesystem::FORCE_BYTECODE_INVALIDATION);
}
if (!empty($this->autoescape)) {
$params['autoescape'] = $this->autoescape;
}
$this->twig = new TwigEnvironment($loader_chain, $params);
if ($config->get('system.twig.undefined_functions')) {
$this->twig->registerUndefinedFunctionCallback(function ($name) {
if (function_exists($name)) {
return new \Twig_Function_Function($name);
}
return new \Twig_Function_Function(function () {
});
});
}
if ($config->get('system.twig.undefined_filters')) {
$this->twig->registerUndefinedFilterCallback(function ($name) {
if (function_exists($name)) {
return new \Twig_Filter_Function($name);
}
return new \Twig_Filter_Function(function () {
});
});
}
$this->grav->fireEvent('onTwigInitialized');
// set default date format if set in config
if ($config->get('system.pages.dateformat.long')) {
$this->twig->getExtension('core')->setDateFormat($config->get('system.pages.dateformat.long'));
}
// enable the debug extension if required
if ($config->get('system.twig.debug')) {
$this->twig->addExtension(new \Twig_Extension_Debug());
}
$this->twig->addExtension(new TwigExtension());
$this->grav->fireEvent('onTwigExtensions');
// Set some standard variables for twig
$this->twig_vars = $this->twig_vars + ['config' => $config, 'uri' => $this->grav['uri'], 'base_dir' => rtrim(ROOT_DIR, '/'), 'base_url' => $this->grav['base_url'] . $language_append, 'base_url_simple' => $this->grav['base_url'], 'base_url_absolute' => $this->grav['base_url_absolute'] . $language_append, 'base_url_relative' => $this->grav['base_url_relative'] . $language_append, 'theme_dir' => $locator->findResource('theme://'), 'theme_url' => $this->grav['base_url'] . '/' . $locator->findResource('theme://', false), 'site' => $config->get('site'), 'assets' => $this->grav['assets'], 'taxonomy' => $this->grav['taxonomy'], 'browser' => $this->grav['browser']];
}
}
