- var_dump: documentation ( source)
<?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);