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PHP – Most Frequent Element in an Array

A program that finds the most frequent element in an array.

Program Uses PHP functions:
array_count_values, arsort, array_keys,



array_count_values() returns an array using the values of array as keys and their frequency in array as values.


arsort — Sort an array in reverse order and maintain index association
This function sorts an array such that array indices maintain their correlation with the array elements they are associated with.

This is used mainly when sorting associative arrays where the actual element order is significant.


array_keys — Return all the keys or a subset of the keys of an array

array_keys() returns the keys, numeric and string, from the array.

If the optional search_value is specified, then only the keys for that value are returned. Otherwise, all the keys from the array are returned.




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