cropped response content

Hi, i am going to run lessjs in v8. this is my php code:

if( !function_exists('xh_pre')){
    function xh_pre($sHeader, $Message = ""){?>
        <pre>
            <style type="text/css">pre.xh_debug{border: 1px solid #ccc;padding: 3px;margin: 3px;}pre.xh_debug>h4{border-bottom: 1px solid #bbb;margin-top: 5px;margin-bottom: 5px;background-color: #ccc;color: #000;}pre.xh_debug>h4>span{ cursor: pointer;}</style><script>function xh_pre(oEle){ if( oEle.parentNode.parentNode.children[1] == undefined || oEle.parentNode.parentNode.children[1].tagName.toLowerCase() != 'div' ){return ;} var display = oEle.parentNode.parentNode.children[1].style.display =='none'? 'block':'none'; oEle.parentNode.parentNode.children[1].style.display = display; oEle.innerHTML = display=='none' ? '[ + ]':'[ - ]'; }</script>
            <pre class="xh_debug">
                <h4> <span onclick='xh_pre(this)'>[ - ]</span> <?php echo $sHeader; ?> </h4>
                <div><?php echo htmlspecialchars($Message); ?></div>
            </pre>
        </pre>
    <?php
    }
}

$context = new JS\Context;

$js = file_get_contents('js/less-v8.js');
xh_pre('$js', $js);
$b = $context->evaluate($js);
xh_pre('$b', $b);

$js = file_get_contents('js/process.js');
xh_pre('$js', $js);
$b = $context->evaluate($js);
xh_pre('$b', $b);
var_dump($b);

js/less-v8.js https://gist.github.com/hugdx/ce73ddd7a64fa0a332c03a2a4ee6a7d9

js/process.js https://gist.github.com/hugdx/9c54707435e576188d2d09ff4d13eb65

when i run above script,, response was cropped. screen

full html response after run: https://gist.github.com/hugdx/1f2625b7379032c4c2dbebb81b98abcb

it should be like this screen2 (i added more phpinfo() to end of php file to get above image)

i am running: php7-fpm, nginx Thanks

CopernicaMarketingSoftware / PHP-JS

cropped response content #5