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<?php class RenderEngine { private $blocks = []; public function block($name, $callback) { $this->blocks[$name] = $callback; } public function draw($name, array $args) { call_user_func_args($this->blocks[$name], $args); } } $t = new RenderEngine(); ?> <?php $t->block('article', function ($article) { ?> <?=$article;?> <?php }); ?> <?=$t->draw('article', ['hello']);?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function call_user_func_args() in /in/kE8Y4:11 Stack trace: #0 /in/kE8Y4(22): RenderEngine->draw('article', Array) #1 {main} thrown in /in/kE8Y4 on line 11
Process exited with code 255.

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