- array_column: documentation ( source)
- array_walk: documentation ( source)
<?php
$result = array('telephone'=>'NA', 'city'=>'NA');
$arr = array_column($array, 'value', 'name');
array_walk($arr, function(&$v, $k) use (&$result){
if ($k == 'infotel') $result['telehone'] = $v;
if ($k == 'location') $result['city'] = $v;
});
echo $telephone = $result['telephone'];
echo "\n";
echo $city = $result['city'];