printSection($context, $arguments); case "endsection": if ( empty($context->sections) ) { throw new \RuntimeException("A section closing tag {% endsection %} was found without an opening {% section %} tag"); } return $this->printEndSection($context); } } protected function printSection($context, ?string $arguments) : string { list($name, $options) = array_pad(explode(',', $arguments, 2), 2, null); if ( $options ?? false ) { $options = eval("return $options;"); } if ( ! ctype_alnum(str_replace([".", "\"", "'", "-", "_"], "", $name)) ) { throw new \RuntimeException("Your section named `{$name}` contains invalid character. Allowed are only letters, numbers, dashes, underscores and dots"); } $context->sections[] = [ 'name' => $name, 'options' => $options, ]; $action = $options['action'] ?? "default"; if (! in_array($action, ['prepend', 'append', 'default'])) { throw new \RuntimeException("An unsupported action `$action` was given as an option of a {% section %} tag"); } $order = $options['order'] ?? "count(\$___class__template->sectionList[$name]['$action'])"; return "sectionList[$name] ??= [ 'prepend' => [], 'append' => [], 'default' => [] ];". "\$___class__template->sectionList[$name]['$action'][] = [ 'order' => $order, 'callback' => function() use (\$picea, \$___class__template, \$___global_variables, \$___variables, \$__event) {". "extract(\$___global_variables); extract(\$___variables, \EXTR_OVERWRITE); \$___class__template->sectionStack[] = $name; \$__event->eventExecute(\Picea\Event\Builder\ClassTemplateRenderSection::class, $name);?>"; } protected function printEndSection($context) : string { $section = array_pop($context->sections); $build = $context->extendFrom ? "!empty(\$___class__template->sectionStack) && \$___class__template->renderSection({$section['name']}, false);" : "\$___class__template->renderSection({$section['name']}, false);"; return <<eventExecute(\Picea\Event\Builder\ClassTemplateRenderSectionDone::class, {$section['name']}); array_pop(\$___class__template->sectionStack); }]; $build ?> PHP; } }