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<?php $aMeters = array(); $aMeters[] = array(); $aMeters[0] += array('meter_maintenance_code' => 'MQ'); $aMeters[0] += array( 'meter_number' => 'ALL', 'esp_rate_code' => 'OUSUCKS' ); var_dump($aMeters);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { [0]=> array(3) { ["meter_maintenance_code"]=> string(2) "MQ" ["meter_number"]=> string(3) "ALL" ["esp_rate_code"]=> string(7) "OUSUCKS" } }

preferences:
258.57 ms | 406 KiB | 389 Q