Issues when suhosin.memory_limit = 0

[kinglozzer]

What happens in order is:

• isSuhosinRelevant() calls getSuhosinMemoryDifference()
• getSuhosinMemoryDifference() tries to work out the difference between suhosin’s memory limit and PHP’s memory limit. As suhosin’s limit is 0, this returns a negative value
• As isSuhosinRelevant() therefore returns true, it tries to update the memory limit
• ensureSuhosinMemory() tries to reserve the suhosin memory limit, -5mb - so it’s trying to set the memory limit to -5mb

Errors logged are script tried to disable memory_limit by setting it to a negative value