受邀在 PHPCon China 2019 进行 PHP 机制问答活动，通过精心设计的问答题带给大家一场直接面向代码的有趣体验。

1. PHP
—
(Shengyou) & (Albert)
2019/08/11

2. Copyright © 2000-2019 JetBrains s.r.o.

3. PHP Puzzlers
—
PHP/Laravel
(Sasaya)
AmazingTalker CTO
http://laravelconf.tw/agenda

4. —
•
• 30
•
•
•
• JetBrains

5. —
• PHP 7.3
•
•

6. —
go(function () {
echo "A[1]n";
go(function () {
echo "B[1]n";
Co::sleep(0.1);
echo "B[2]n";
});
echo "A[2]n";
Co::sleep(0.2);
echo "A[3]n";
});
Event::wait();

7. —
$serv->on('close', function($serv, $fd) {
die;
});
onclose die tcp

8. —
https://github.com/shengyou/20190811-php-puzzlers

9. —
A B C D

10. ( …)

11. PHP
(Shengyou Fan)
shengyou@jetbrains.com
(Albert Chen)
albert@handsup.shop
—