PHP : Split an Array by conditions

I have an array $values and $Tmax= 500:

I want 2 results :

sum of values and value <=$tmax (nb off iteration can be between 3 and
N)

http://joberjob.com/script/index.php

sum of values and value >5$tmax (nb off iteration can be max 3)

http://joberjob.com/script/index.php

Example:
I have that :

i want that

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