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同样的代码在4.5.2下正常,4.5.3下面不行

### 问题描述
协程websocket客户端
[x.php.txt]

### Swoole版本，PHP版本，以及操作系统版本信息
What version of Swoole are you using (show your php --ri swoole)?
swoole

Swoole => enabled
Author => Swoole Team team@swoole.com
Version => 4.5.3
Built => Aug 30 2020 14:44:16
coroutine => enabled
epoll => enabled
eventfd => enabled
signalfd => enabled
cpu_affinity => enabled
spinlock => enabled
rwlock => enabled
openssl => OpenSSL 1.0.2k-fips 26 Jan 2017
http2 => enabled
pcre => enabled
zlib => 1.2.7
mutex_timedlock => enabled
pthread_barrier => enabled
futex => enabled
async_redis => enabled

Directive => Local Value => Master Value
swoole.enable_coroutine => On => On
swoole.enable_library => On => On
swoole.enable_preemptive_scheduler => Off => Off
swoole.display_errors => On => On
swoole.use_shortname => On => On
swoole.unixsock_buffer_size => 8388608 => 8388608

What is your machine environment used (show your uname -a & php -v & gcc -v) ?
Linux localhost.localdomain 3.10.0-1127.19.1.el7.x86_64 #1 SMP Tue Aug 25 17:23:54 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
PHP 7.4.9 (cli) (built: Aug 14 2020 18:18:09) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
with Zend OPcache v7.4.9, Copyright (c), by Zend Technologies

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC)

### 相关代码
```php
请将代码粘贴至此处（请勿用截图）
```
[x.php.txt]

### 你期待的结果是什么？实际看到的错误信息又是什么？
What did you expect to see?
希望在4.5.3环境下执行能看到打印出数组

What did you see instead?
在4.5.2下能打印,4.5.3下没有输出

请看代码中 print_r($klines); 这一段

发布于5年前 · 1 次浏览 · 来自提问