Laravel Array Helper Function: isAssoc (Checking If An Array Is Associative)

The isAssoc helper method can determine if an array is associative or not. According to the provided documentation, an array is considered associative if it doesn't have sequential numeric keys starting from zero. However, in practice, the behavior can be slightly different. For example, [0,1,2,3] is not considered associative, while ['associative' => 'array'] is.