writing to a fixed size array in chunks

[geoffs]

i have an array of a fixed length...within each element of the array I am only allowed to write a maximum of 1kb of binary data...how can I 'chunk' data to the array like that?

can it be done in php?

[monexx]

It can surely be done, but you'll have to program your own function for storing and retrieving, and you'll have to keep an index of the chunks.

But just a question:
- why is your array of fixed length???

To do that properly, you should store your data (well, the data that could be >1024K😎 in an other array and keep only an index in your main array.

That second array would consist of 2 elements.
1 - The data.
2 - The position inside the array of the next chunk.

So your RETRIEVE function will do something like:
- from the index in main array (mainarray[0]=5), it temporarely store the data from index 5 (secondarray[5,0]) in a variable and, if the position is valid (secondarray[5,1]>=0) it go from index to index and copies the content until it hits a -1 or, as you wish, any invalid array position.

I hope i answered your question.

S. Breton

[geoffs]

i am doing this for a university class...the assignment is to write a simulated file system. The fixed length array is my mock harddrive. And the fixed length of the elements in the array is supposed to represent the blocks.