PHP array to repeat the data sample

This article mainly introduces the PHP array to repeat the data sample, sometimes the obtained PHP array always appears value duplicates, use the following method can remove duplicate data

Duplicate data beginning with a number such as: The Code is as follows: Array ([0] => [K1] => [1] => 2123 [K2] => 2123) This method can be removed with a value of number key, first the number Groups are sorted in reverse order of key, and then the duplicate values are removed using the Array_unique method. Cannot apply to situations where the same value exists for different key values: function Array_unique_value ($arr = Array ()) {Array_multisort ($arr, Sort_des       C, Array_keys ($arr));   Print_r (Array_unique ($arr)); }