PHP串联删除一些字符，真是疯狂！PHP内部错误？

几年以来，我一直在使用PHP进行开发

但今天我遇到了一个我无法解释的问题，这是一个非常简单的连接，但结果是结果字符串末尾缺少字符

代码如下：

$select = $this -> phpSqlCreator -> processSELECT2($this -> phpSqlParser -> parsed);
$from = $this -> phpSqlCreator -> processFROM2($this -> phpSqlParser -> parsed['FROM']);
$where = $this -> whereString;

$sql = $select . ' ' . $from . ' ' . $where;

当我调试这段代码时，这里就是我看到的

$select变量包含以下字符串：

SELECT DISTINCT t.id as "t.id",t.creation_date as "t.creation_date",t.default_language_code as 
 "t.default_language_code",t.name as "t.name",t.description as "t.description",t.document_store_path as 
 "t.document_store_path",t.type as "t.type",t.left_value as "t.left_value",t.right_value as "t.right_value",t.event_id as 
 "t.event_id",t.parent_id as "t.parent_id",t2.id as "t2.id",t2.creation_date as 
 "t2.creation_date",t2.default_language_code as "t2.default_language_code",t2.name as "t2.name",t2.description 
 as "t2.description",t2.document_store_path as "t2.document_store_path",t2.type as "t2.type",t2.left_value as 
 "t2.left_value",t2.right_value as "t2.right_value",t2.event_id as "t2.event_id",t2.parent_id as "t2.parent_id"

FROM team t , (SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) WHERE 
 tr.participant_id = ? UNION SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) LEFT JOIN 
 unit_role ur ON (tr.unit_id = ur.unit_id) WHERE ur.participant_id = ?) as dt LEFT JOIN team t2 ON ("t.parent_id" = t2.id)

然后，$from变量包含以下字符串：

SELECT DISTINCT t.id as "t.id",t.creation_date as "t.creation_date",t.default_language_code as 
 "t.default_language_code",t.name as "t.name",t.description as "t.description",t.document_store_path as 
 "t.document_store_path",t.type as "t.type",t.left_value as "t.left_value",t.right_value as "t.right_value",t.event_id as 
 "t.event_id",t.parent_id as "t.parent_id",t2.id as "t2.id",t2.creation_date as 
 "t2.creation_date",t2.default_language_code as "t2.default_language_code",t2.name as "t2.name",t2.description 
 as "t2.description",t2.document_store_path as "t2.document_store_path",t2.type as "t2.type",t2.left_value as 
 "t2.left_value",t2.right_value as "t2.right_value",t2.event_id as "t2.event_id",t2.parent_id as "t2.parent_id"

FROM team t , (SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) WHERE 
 tr.participant_id = ? UNION SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) LEFT JOIN 
 unit_role ur ON (tr.unit_id = ur.unit_id) WHERE ur.participant_id = ?) as dt LEFT JOIN team t2 ON ("t.parent_id" = t2.id)

$where变量包含：

WHERE t.left_value < dt.left_value and t.right_value > dt.right_value and t.event_id = dt.event_id

SELECT DISTINCT t.id as "t.id",t.creation_date as "t.creation_date",t.default_language_code as 
 "t.default_language_code",t.name as "t.name",t.description as "t.description",t.document_store_path as 
 "t.document_store_path",t.type as "t.type",t.left_value as "t.left_value",t.right_value as "t.right_value",t.event_id as 
 "t.event_id",t.parent_id as "t.parent_id",t2.id as "t2.id",t2.creation_date as 
 "t2.creation_date",t2.default_language_code as "t2.default_language_code",t2.name as "t2.name",t2.description 
 as "t2.description",t2.document_store_path as "t2.document_store_path",t2.type as "t2.type",t2.left_value as 
 "t2.left_value",t2.right_value as "t2.right_value",t2.event_id as "t2.event_id",t2.parent_id as "t2.parent_id" FROM 
 team t , (SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) WHERE tr.participant_id = ? 
 UNION SELECT t.* FROM team t LEFT JOIN team_role tr ON (t.id = tr.team_id) LEFT JOIN unit_role ur ON 
 (tr.unit_id = ur.unit_id) WHERE ur.participant_id = ?) as dt LEFT JOIN team t2 ON (

连接非常简单，但不起作用，$from字符串变量的结尾缺失，$where字符串变量的完整内容也缺失。我不明白，因为代码很简单

此外，这种代码的和平是由一组自动单元测试彻底执行的。这是非常奇怪的，因为当代码使用PHPUnit执行时，PHP Cli的连接结果很好，我们所有的测试都成功了

只有在Windows 8机器上的Web应用程序标准Apache 2.2.22+PHP 5.3.13设置中执行代码时，才会遇到这种连接问题

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你知道是什么导致了这个奇怪的问题吗？PHP设置？5.3.13版本的PHP出现了一个PHP错误？调试时字符串中看不到的奇怪字符？很明显，我今晚太累了，所以没有看到什么？

很明显，$sql的操作限制为1024个字符。要么某个程序在下一个地址错误地存储了某些内容，要么$sql变量在某处设置了大小限制

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据我所见，在php中，字符串可以大到2GB。php.ini配置文件中有一个memory_limit指令，但我无法想象您将其设置为1024字节1K，谢谢您的回复

我最终发现连接很好，是我的IDEEclipse没有将所有字符显示到字符串中

更多信息可在此处找到：

所以我的问题不是问题

非常感谢

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巴普蒂斯特

除了这个问题，典型的堆栈溢出用户还喜欢Waldo在哪里，在干草堆中寻找针不，没有磁铁，你们这些业余爱好者！你怎么知道它不起作用。。也许连接是可以的，但是组件SQL语句有一些问题？您是否遇到了错误，或者只是查询中出现了意外的结果？@Carsten+1和looool:DI无法重现问题：如果我们去掉了那些开玩笑或没有建设性的评论，我们会发现连接问题无法重现。巴普蒂斯特，有没有可能做一个实验来证明这个问题？