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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 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array ( 'Business' => 4, )
preferences:
123.63 ms | 402 KiB | 121 Q