Online PHP editor | output for n7vYW

@ 2016-08-04T05:27:57Z

<?php
$locations = [
    ['country'=>'USA', 'state'=>'New York', 'city'=>'NYC', 'location'=>'Central Park', 'street'=>'7th Ave',  'count'=>123],
    ['country'=>'USA', 'state'=>'Maryland', 'city'=>'Baltimore', 'location'=>'Harber', 'count'=>24],
    ['country'=>'USA', 'state'=>'Michigan', 'city'=>'Lansing', 'location'=>'Midtown', 'building'=>'H2B', 'count'=>7],
    ['country'=>'France', 'state'=>'Sud', 'city'=>'Marseille', 'location'=>'Centre Ville', 'count'=>12],
];

$hierarchy = array();

$levels = array_reverse(
    array('country', 'state', 'city', 'location')
);

$lastLevel = 'count';


foreach ( $locations as $L )
{
    $array = $L[$lastLevel];

    foreach ( $levels as $level )
    {
        $array = array($L[$level] => $array);
    }

    $hierarchy = array_merge_recursive($hierarchy, $array);
}

print_r($hierarchy);

Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1: Array ( [USA] => Array ( [New York] => Array ( [NYC] => Array ( [Central Park] => 123 ) ) [Maryland] => Array ( [Baltimore] => Array ( [Harber] => 24 ) ) [Michigan] => Array ( [Lansing] => Array ( [Midtown] => 7 ) ) ) [France] => Array ( [Sud] => Array ( [Marseille] => Array ( [Centre Ville] => 12 ) ) ) )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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