PHP arrays - How to 1-dimensional array into nested multidimensional array?
- by sombe
When retrieving a hierarchical structure from MySQL (table with one ID column and one PARENT column signifying the hierarchical relationships), I map the result into an enumerated array as follows (for this example the numbers are arbitrary):
Array ( [3] => Array ( [7] => Array () ), [7] => Array ( [8] => Array () ) )
Notice 3 is the…