Online PHP editor | refs for 1s1oV

<?php error_reporting(-1); ini_set('display_errors', 1); class system_tags { function __call($name, $params) { return '(METHOD "' . $name . '" WAS CALLED WITH PARAMS ' . implode(', ', $params) . ')'; } } class App { function run() { // Prerequisites. $system_tags = new system_tags(); $core = new \stdClass(); $core->tags = array( 'hello' => 'tagHelloMethod("$0", "hi")', 'world' => 'tagWorldMethod("$0", "world")', ); $this->template = 'Blah blah {hello} blah blah {world}.'; $this->withRegexReplaceCallback($core, $system_tags); echo $this->template . "\n"; } function withRegexReplaceCallback($core, $system_tags) { $callback = static function ($matches) use (& $tag_method, $system_tags) { $callback = function ($subMatches) use ($matches) { return $matches[$subMatches[1]]; }; $tag_method = preg_replace_callback('/(?:\\\\|\\$)(\d+)/', $callback, $tag_method); return eval('return $system_tags->' . $tag_method . ';'); }; foreach($core->tags as $tag_name => $tag_method) { $this->template = preg_replace_callback( '/\{' . preg_quote($tag_name) . '\}/', $callback, $this->template ); } } } $app = new App(); $app->run();