When changing a ini entry with zend_alter_ini_entry during runtime the Callback routines OnUpdateXXXX are never called. This problem only exists in multithreaded environments.
I think that the handler field in the entry is not copied when creating the copy of the ini entries after creating a new thread ressource:
The zend_hash_copy() function copies the all the information so the problem should be elsewhere.
[...]
I am not very familar with the Zend engine so I do not know how to implement this, but the following command does not ever call the OnUpdate handler:
zend_alter_ini_entry(....., PHP_INI_SYSTEM, PHP_INI_STAGE_RUNTIME)
And here we go: PHP_INI_SYSTEM values cannot be set at runtime, that's their sense.
regards marcus
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