Revision Difference
table.SortByKey#546796
<function name="SortByKey" parent="table" type="libraryfunc">
<description>
Returns a list of keys sorted based on values of those keys.
For normal sorting see <page>table.sort</page>.
</description>
<realm>Shared and Menu</realm>
<file line="140">lua/includes/extensions/table.lua</file>
<file line="133-L150">lua/includes/extensions/table.lua</file>
<args>
<arg name="tab" type="table">Table to sort. All values of this table must be of same type.</arg>
<arg name="descending" type="boolean" default="false">Should the order be descending?</arg>
</args>
<rets>
<ret name="" type="table">A table of keys sorted by values from supplied table.</ret>
</rets>
</function>
<example>
<description>Example usage of the function.</description>
<code>
local t = {}
t['h'] = 2 -- Lowest value
t['a'] = 150 -- Highest value
t['x'] = 30
PrintTable( table.SortByKey( t ) )
PrintTable( table.SortByKey( t , true ) )
</code>
<output>
```
1 = a
2 = x
3 = h
```
```
1 = h
2 = x
3 = a
```
</output>
</example>