PHPCompiler\Backend\PHP7\PHP::compileBody PHP Метод

    protected function compileBody(Block $block, $indent)
    {
        if ($this->state->seen->contains($block)) {
            return '';
        }
        $result = '';
        $this->state->seen->attach($block);
        foreach ($block->phi as $phi) {
            foreach ($phi->vars as $var) {
                if ($var instanceof Operand\Literal) {
                    $result .= $indent . $this->getVarName($phi->result) . " = " . $this->getVarName($var) . ";\n";
                }
            }
        }
        // This comes after constant phi assignment, since we can possibly re-enter
        $result .= $this->getLabel($block) . ":\n";
        foreach ($block->children as $op) {
            if ($op instanceof Op\Expr) {
                $result .= $this->compileExpr($op, $indent);
                continue;
            }
            switch ($op->getType()) {
                case 'Stmt_Jump':
                    if ($this->state->seen->contains($op->target)) {
                        // Only issue the goto if it's not the next statement
                        $result .= $indent . "goto " . $this->getLabel($op->target) . ";\n";
                    }
                    $result .= $this->compileBody($op->target, $indent);
                    break;
                case 'Stmt_JumpIf':
                    $result .= $indent . "if (" . $this->getVarName($op->cond) . ") {\n";
                    $result .= $this->compileBody($op->if, $indent . '    ');
                    $result .= $indent . "} else {\n";
                    $result .= $this->compileBody($op->else, $indent . '    ');
                    $result .= $indent . "}\n";
                    break;
                case 'Terminal_Return':
                    $result .= $indent . 'return';
                    if ($op->expr) {
                        $result .= ' ' . $this->getVarName($op->expr);
                    }
                    $result .= "\n";
                    return $result;
                default:
                    throw new \RuntimeException("Unknown op compilation attempt: " . $op->getType());
            }
        }
        return $result;
    }