Don't use this function for filtering or searching an array - PHP already has functions for exactly those purposes. If nothing else, array_flip will trash the array's elements if they're anything other than integers or non-decimal-integer strings.
Don't use this function for filtering or searching an array - PHP already has functions for exactly those purposes. If nothing else, array_flip will trash the array's elements if they're anything other than integers or non-decimal-integer strings.