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Quick question: is there a way to provide a closure in PHP to some equivalent function to the array_unique function so that you can specify your own comparison closure to be used when comparing two items in the array? I have an array of class instances (which may contain duplicates) and want to tell PHP to use particular logic to determine uniqueness.
PHP provides this with sorting using the usort() method – just wondering if it is also available for uniqueness checks. Thanks!
there is array_filter that you can apply a callback to each element in an array and return true/false of whether to keep that value in the returning array. Here is a comment using array_filter to remove duplicates in an array.