Need an array-like structure in PHP with minimal memory usage

Question

In my PHP script I need to create an array of >600k integers. Unfortunately my webservers memory_limit is set to 32M so when initializing the array the script a

Answer 1

600K is a lot of elements. If you are open to alternative methods, I personally would use a database for that. Then use standard sql/nosql select syntax to pull things out. Perhaps memcache or redis if you have an easy host for that, such as garantiadata.com. Maybe APC.