%getMaxIndex()

Aliases%getMaxIndex( )
Parametersmixed @value1 [, mixed @value2 [, mixed @value3 [, ...]]]

    If there is only one value given and it is an associative array, then this
function will return the key for the maximum value found within that
array. Otherwise the index of the maximum value found in the list of
parameters is returned. The index will be the entry count of the
parameter as counted from 1 onward.