Xdebug在访问类静态属性时中断 [英] Xdebug breaks on access to class static property

问题描述

  FROM library / php：5.5-apache 
 
 RUN apt-get -qqy update&& apt-get -qqy install \ 
 libpq-dev \ 
 libmcrypt-dev \ 
 libxml2-dev \ 
 ssl-cert \ 
 vim \\ \\ 
 git \ 
 mc \ 
&&& rm -r / var / lib / apt / lists / * 
 
＃编译并添加xdebug 
运行pecl安装xdebug \ 
&& echozend_extension = xdebug.so>>> /usr/local/etc/php/conf.d/xdebug.ini
 
＃configure apache和vhosts 
 RUN a2enmod rewrite ssl \ 
&&& a2ensite 000-default default-ssl 
 
 ENV APACHE_RUN_USER www-data 
 ENV APACHE_RUN_GROUP www-data 
 ENV APACHE_LOG_DIR / var / log / apache2 
 ENV APACHE_RUN_DIR / var /运行/ apache2 
 ENV APACHE_PID_FILE /var/run/apache2/apache2.pid 
 ENV APACHE_LOCK_DIR / var / lock / apache2 
 
 CMD [apache2-foreground] 
  

Xdebug设置：

  [xdebug] 
 xdebug.remote_enable = 1 
 xdebug.remote_autostart = 0 
 xdebug.remote_host = 172.17.42.1 
 xdebug.remote_port = 9000 
  

一切都很好，但有一件事。调试代码时：

 <？php 
 class A {
 static private $ a; 
 
 static public function init（）{
 self :: $ a = 123; 
} 
} 
 
 A :: init（）; 
  

如果我在 self = $ a = 123; / code>或进入行，我得到：

 致命错误：访问未声明的静态属性：A： ：$ a 
  

如果我不进入该行，调试会话继续没有任何问题。

有什么问题？

解决方案

我认为这是一个bug XDebug - 看到这些错误报告

• http://bugs.xdebug.org/view.php?id=1185


• https://github.com/docker-library/php/issues/133

同时，您可以通过使用投掷线之前的 xdebug_break（）函数来排序问题的工作异常并从那里继续调试。我尝试在抛出异常后在线上设置断点，我发现断点不足以阻止它抛出异常。

不是一个完美的解决方案，希望这些错误很快就会被修正

I've a problem with Xdebug in my development environment.

FROM library/php:5.5-apache

RUN apt-get -qqy update && apt-get -qqy install \ 
               libpq-dev \
               libmcrypt-dev \
               libxml2-dev \
               ssl-cert \
               vim \
               git \
               mc \
        && rm -r /var/lib/apt/lists/*

# compile and add xdebug
RUN pecl install xdebug \
    && echo "zend_extension=xdebug.so" >> "/usr/local/etc/php/conf.d/xdebug.ini"

# configure apache and vhosts
RUN a2enmod rewrite ssl \
        && a2ensite 000-default default-ssl

ENV APACHE_RUN_USER www-data
ENV APACHE_RUN_GROUP www-data
ENV APACHE_LOG_DIR /var/log/apache2
ENV APACHE_RUN_DIR /var/run/apache2
ENV APACHE_PID_FILE /var/run/apache2/apache2.pid
ENV APACHE_LOCK_DIR /var/lock/apache2

CMD ["apache2-foreground"]

Xdebug settings:

[xdebug]
xdebug.remote_enable=1
xdebug.remote_autostart=0
xdebug.remote_host=172.17.42.1
xdebug.remote_port=9000

Everything works good but one thing. When debugging the code:

<?php
class A {
    static private $a;

    static public function init() {
        self::$a = 123;
    }
}

A::init();

If I set a breakpoint on self::$a = 123; or step into the line, I get:

Fatal error: Access to undeclared static property: A::$a

If I don't step into that line, the debugging session continues without any problems.

What's wrong?

解决方案

I think it's a bug somewhere in XDebug - see these bug reports

• http://bugs.xdebug.org/view.php?id=1185
• https://github.com/docker-library/php/issues/133

Meanwhile you may be able to sort of work around the issue by using the xdebug_break() function just AFTER the line that's throwing the exception and continue debugging from there. I tried setting a breakpoint on the line after the exception is thrown and I found that a breakpoint wasn't enough to stop it throwing an exception.

Not a perfect solution but hopefully those bugs will get fixed soon

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