1
Sort multiple or multi-dimensional arrays
2
numeric short method
3
Return an array with elements in reverse order
4
Searches the array for a given value and returns the first corresponding key if successful
5
Computes the difference of arrays by using a callback function for data comparison
6
Fill an array with values
7
Calculate the sum of values in an array
8
key short method
9
Sort an array and maintain index association
