随机的“；PHP致命错误:内存不足；错误

由于我将一个PHP应用程序移到了一个新服务器上（PHP/5.3.8在32位Windows server 2003 R2上作为Apache 2.2模块运行），我在PHP错误日志中得到了随机错误：

[09-Jan-2012 19:45:12] PHP Fatal error:  Out of memory (allocated 786432) (tried to allocate 17 bytes) in D:'site'util'odbc-connection.php on line 675
[10-Jan-2012 17:56:49] PHP Fatal error:  Out of memory (allocated 1310720) (tried to allocate 6144 bytes) in D:'site'logic'data.php on line 630
[10-Jan-2012 17:58:52] PHP Fatal error:  Out of memory (allocated 524288) (tried to allocate 393216 bytes) in D:'site'users'edit-user.php on line 458

我感到困惑的原因如下：

1. 当到达memory_limit时，它不是您得到的标准错误消息：

   Fatal error: Allowed memory size of 262144 bytes exhausted (tried to allocate 800001 bytes)
   

2. 不管怎样，memory_limit在服务器上默认为256MB，在该应用程序上设置为128MB（因此524288字节应该不是问题）。

3. 在报告的行中，通常有一些非常无辜的代码，比如函数定义的开头。。。

   function linea($html){
   

   或foreach（）循环的非常小的数组：

   foreach($perfiles_basicos as $c => $v){
   

我想我已经放弃了所有显而易见的东西（我甚至在硬盘中的所有*.php、*.ini、.htaccess和*.conf文件中搜索了memory_limit字符串），并且我已经编写了检测和记录"128MB"限制更改的代码（没有发现任何更改），所以我现在非常一无所知。

有什么提示或想法吗？

更新#1:Apache的error.log显示，在我从PHP得到内存不足错误后，web服务器将重新启动。有些是手动重启，有些是像这样的崩溃：

zend_mm_heap corrupted
12] [notice] Child 2524: Child process is exiting
[Mon Jan 09 19:45:12 2012] [notice] Parent: child process exited with status 1 -- Restarting.
[Mon Jan 09 19:45:13 2012] [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Mon Jan 09 19:45:13 2012] [notice] Apache/2.2.21 (Win32) mod_ssl/2.2.21 OpenSSL/1.0.0e PHP/5.3.8 configured -- resuming normal operations
[Mon Jan 09 19:45:13 2012] [notice] Server built: Sep 24 2011 00:32:50
[Mon Jan 09 19:45:13 2012] [notice] Parent: Created child process 6256
[Mon Jan 09 19:45:13 2012] [notice] Disabled use of AcceptEx() WinSock2 API
[Mon Jan 09 19:45:13 2012] [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Mon Jan 09 19:45:14 2012] [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Mon Jan 09 19:45:14 2012] [notice] Child 6256: Child process is running
[Mon Jan 09 19:45:14 2012] [notice] Child 6256: Acquired the start mutex.
[Mon Jan 09 19:45:14 2012] [notice] Child 6256: Starting 400 worker threads.
[Mon Jan 09 19:45:14 2012] [notice] Child 6256: Listening on port 443.
[Mon Jan 09 19:45:14 2012] [notice] Child 6256: Listening on port 80.

更新#2：。。。ODBC扩展正在记录以下错误：

No se puede cargar el controlador especificado debido al error del sistema  8 (Oracle in instantclient_11_2)

其中系统错误8映射到：

ERROR_NOT_ENOUGH_MEMORY 8 (0x8)存储空间不足，无法处理此命令。