Ok, here goes...
I have an multi-dimensional array extracted from the database ($units) that
is listed at the bottom of this e-mail. What I want to do is take this
multi-dimensional array $units and maybe merge or extract it to a different
array called $options. I want to group similar units into a category.
For example, I want to be able to group lbs. and oz. as units of weight. I
want to group cm, m, in, ft as units of width, height or depth. I will be
using this information to group these units into a drop-down menu on a form,
specific to the category (caption_name).
I've tried almost everything I could think of from the PHP Array manual to
try to get this to group the way I want it, but all attempts have failed
thus far. I even tried to combine these functions for a more complex answer,
but I kept getting lost in it. Can anyone suggest of a simple and easy way
to take the $units array and group it to something similar to the $options
array? Both arrays are listed below, with $options being a pseudo-array that
I'm trying to create from $units. Any help would be greatly appreciated...
$options Array
---------------
First dimension info:
[0] = weight group
[1] = width, height, or depth group
[2] = volume group
etc...
---------------
Array
(
[0] => Array
(
[0] => Array
(
[unit_id] = 1
[unit_option] = lbs.
)
[1] => Array
(
[unit_id] = 2
[unit_option] = oz.
)
)
[1] => Array
(
[0] => Array
(
[unit_id] = 4
[unit_option] = cm.
)
[1] => Array
(
[unit_id] = 7
[unit_option] = m.
)
[3] => Array
(
[unit_id] = 5
[unit_option] = cm.
)
[4] => Array
(
[unit_id] = 6
[unit_option] = m.
)
)
[2]...
[3]...
)
$units Array
---------------
Array
(
[0] => Array
(
[0] => 1
[caption_id] => 1
[1] => weight
[caption_name] => weight
[2] => 1
[unit_id] => 1
[3] => lbs.
[unit_option] => lbs.
)
[1] => Array
(
[0] => 1
[caption_id] => 1
[1] => weight
[caption_name] => weight
[2] => 2
[unit_id] => 2
[3] => oz.
[unit_option] => oz.
)
[2] => Array
(
[0] => 2
[caption_id] => 2
[1] => volume
[caption_name] => volume
[2] => 3
[unit_id] => 3
[3] => fl. oz.
[unit_option] => fl. oz.
)
[3] => Array
(
[0] => 2
[caption_id] => 2
[1] => volume
[caption_name] => volume
[2] => 11
[unit_id] => 11
[3] => L
[unit_option] => L
)
[4] => Array
(
[0] => 2
[caption_id] => 2
[1] => volume
[caption_name] => volume
[2] => 12
[unit_id] => 12
[3] => mL
[unit_option] => mL
)
[5] => Array
(
[0] => 2
[caption_id] => 2
[1] => volume
[caption_name] => volume
[2] => 13
[unit_id] => 13
[3] => cm³
[unit_option] => cm³
)
[6] => Array
(
[0] => 3
[caption_id] => 3
[1] => width
[caption_name] => width
[2] => 5
[unit_id] => 5
[3] => in.
[unit_option] => in.
)
[7] => Array
(
[0] => 3
[caption_id] => 3
[1] => width
[caption_name] => width
[2] => 4
[unit_id] => 4
[3] => cm.
[unit_option] => cm.
)
[8] => Array
(
[0] => 3
[caption_id] => 3
[1] => width
[caption_name] => width
[2] => 7
[unit_id] => 7
[3] => m.
[unit_option] => m.
)
[9] => Array
(
[0] => 3
[caption_id] => 3
[1] => width
[caption_name] => width
[2] => 6
[unit_id] => 6
[3] => ft.
[unit_option] => ft.
)
[10] => Array
(
[0] => 4
[caption_id] => 4
[1] => height
[caption_name] => height
[2] => 5
[unit_id] => 5
[3] => in.
[unit_option] => in.
)
[11] => Array
(
[0] => 4
[caption_id] => 4
[1] => height
[caption_name] => height
[2] => 4
[unit_id] => 4
[3] => cm.
[unit_option] => cm.
)
[12] => Array
(
[0] => 4
[caption_id] => 4
[1] => height
[caption_name] => height
[2] => 7
[unit_id] => 7
[3] => m.
[unit_option] => m.
)
[13] => Array
(
[0] => 4
[caption_id] => 4
[1] => height
[caption_name] => height
[2] => 6
[unit_id] => 6
[3] => ft.
[unit_option] => ft.
)
[14] => Array
(
[0] => 5
[caption_id] => 5
[1] => depth
[caption_name] => depth
[2] => 5
[unit_id] => 5
[3] => in.
[unit_option] => in.
)
[15] => Array
(
[0] => 5
[caption_id] => 5
[1] => depth
[caption_name] => depth
[2] => 4
[unit_id] => 4
[3] => cm.
[unit_option] => cm.
)
[16] => Array
(
[0] => 5
[caption_id] => 5
[1] => depth
[caption_name] => depth
[2] => 7
[unit_id] => 7
[3] => m.
[unit_option] => m.
)
[17] => Array
(
[0] => 5
[caption_id] => 5
[1] => depth
[caption_name] => depth
[2] => 6
[unit_id] => 6
[3] => ft.
[unit_option] => ft.
)
[18] => Array
(
[0] => 7
[caption_id] => 7
[1] => quantity
[caption_name] => quantity
[2] => 10
[unit_id] => 10
[3] => count
[unit_option] => count
)
[19] => Array
(
[0] => 7
[caption_id] => 7
[1] => quantity
[caption_name] => quantity
[2] => 9
[unit_id] => 9
[3] => dozen
[unit_option] => dozen
)
[20] => Array
(
[0] => 6
[caption_id] => 6
[1] => price
[caption_name] => price
[2] => 8
[unit_id] => 8
[3] => USD
[unit_option] => USD
)
[21] => Array
(
[0] => 6
[caption_id] => 6
[1] => price
[caption_name] => price
[2] => 14
[unit_id] => 14
[3] => Euro
[unit_option] => Euro
)
)
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