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@ 2013-04-08T11:32:11Z

<?php
$a = array('Buenos Aires' => 'Salto');
$arrCiudades[$a] = 1337;

print_r($a);

$idCiudad = $arrCiudades['Buenos Aires']['Salto'];

Output
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print_r: documentation ( source)

preferences:dark modelive preview

52.27 ms | 402 KiB | 5 Q