Is there an adjustment to be made to define a maximum number of sent/received elements in an array via POST in php?

Question

Following staff,

I am facing a problem in a system I am working on, which I am trying to send/receive array that is not coming complete.

After some tests I identified that the problem is in the total number of elements constant in this array, and not the volume of data itself.

I came to this conclusion after verifying that the fewer variables I sent per line, the more lines I could receive.

Then I decided to count the number of elements that were arriving in this array and I realized that they varied between 987 and 998 elements (regardless of its content, type with 7 data in line received 141 lines = total 987 elements; with 6 data received 165 lines = 990 elements, with 5 data received 198 lines = 990 elements, 4 data, 248 lines = 992 elements).

Taking this into account, there is something I should do in php or server configuration to extend this to at least 1000 lines regardless of the number of data sent per line?

Detail that may be relevant, the server used runs php 5.