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<?php $array = [ ['KRA_category'=>'Business'], ['KRA_category'=>'Business'], ['KRA_category'=>'People'], ['KRA_category'=>'Business'], ['KRA_category'=>'Business'], ['KRA_category'=>'Business'] ]; var_export( array_count_values( array_diff_key( array_column($array, 'KRA_category'), array_unique($array, SORT_REGULAR) ) ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'Business' => 4, )

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