Flow\Node\ForNode::compile PHP Method

    public function compile($compiler, $indent = 0)
    {
        $compiler->addTraceInfo($this, $indent);
        $compiler->pushContext('loop', $indent);
        if ($this->key) {
            $compiler->pushContext($this->key, $indent);
        }
        $compiler->pushContext($this->value, $indent);
        $else = false;
        if (!is_null($this->else)) {
            $compiler->raw('if (!Flow\\Helper::is_empty(', $indent);
            $this->seq->compile($compiler);
            $compiler->raw(")) {\n");
            $else = true;
        }
        $compiler->raw('foreach (($context[\'loop\'] = $this->iterate($context, ', $else ? $indent + 1 : $indent);
        $this->seq->compile($compiler);
        if ($this->key) {
            $compiler->raw(')) as $context[\'' . $this->key . '\'] => $context[\'' . $this->value . '\']) {' . "\n");
        } else {
            $compiler->raw(')) as $context[\'' . $this->value . '\']) {' . "\n");
        }
        $this->body->compile($compiler, $else ? $indent + 2 : $indent + 1);
        $compiler->raw("}\n", $else ? $indent + 1 : $indent);
        if ($else) {
            $compiler->raw("} else {\n", $indent);
            $this->else->compile($compiler, $indent + 1);
            $compiler->raw("}\n", $indent);
        }
        $compiler->popContext('loop', $indent);
        if ($this->key) {
            $compiler->popContext($this->key, $indent);
        }
        $compiler->popContext($this->value, $indent);
    }