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<?php
namespace Encore\Admin\Grid\Displayers;
use Encore\Admin\Facades\Admin;
/**
* Class QRCode
*
* @package Encore\Admin\Grid\Displayers
*/
class QRCode extends AbstractDisplayer
{
protected function addScript()
$script = <<<SCRIPT
$('.grid-column-qrcode').popover({
html: true,
trigger: 'focus'
});
SCRIPT;
Admin::script($script);
}
public function display($formatter = null, $width = 150, $height = 150)
$this->addScript();
$content = $this->getColumn()->getOriginal();
if ($formatter instanceof \Closure) {
$content = call_user_func($formatter, $content, $this->row);
$img = "<img src='https://api.qrserver.com/v1/create-qr-code/?size={$width}x{$height}&data={$content}' style='height: {$width}px;width: {$height}px;'/>";
return <<<HTML
<a href="javascript:void(0);" class="grid-column-qrcode text-muted" data-content="{$img}" data-toggle='popover' tabindex='0'>
<i class="fa fa-qrcode"></i>
</a> {$this->getValue()}
HTML;
This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed.
Unreachable code is most often the result of return, die or exit statements that have been added for debug purposes.
return
die
exit
function fx() { try { doSomething(); return true; } catch (\Exception $e) { return false; } return false; }
In the above example, the last return false will never be executed, because a return statement has already been met in every possible execution path.
return false
z-song /
laravel-admin
This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed.
Unreachable code is most often the result of
return,dieorexitstatements that have been added for debug purposes.In the above example, the last
return falsewill never be executed, because a return statement has already been met in every possible execution path.