Online PHP editor | output for qjC0j

@ 2021-01-06T00:35:01Z

<?php

$rooms = array (
    'The Lounge' => 
    array (
        'id' => 1,
        'privacy' => 'public',
        'users' => 
        array (
            'QUICHE POIREAU' => 
            array (
                'smiley' => 'smi_smile.gif',
                'name' => 'QUICHEPOIREAU',
                'state' => NULL,
                'id' => 1
            ),
            'JOHN DOE' => 
            array (
                'smiley' => 'smi_smile.gif',
                'name' => 'JoeFRANC',
                'id' => 40
            ),
        )
    ),
    'The Beach' => 
        array (
            'id' => 2,
            'privacy' => 'public',
            'users' => 
            array (
                Null => 
                array (
                    'smiley' => Null,
                    'name' => Null,
                    'state' => Null,
                    'id' => Null
                ),
                
            ),
            
        )
    
);

foreach ($rooms as $name => $room) {
    $users = count(array_filter(array_keys($room['users'])));
    echo "$name: $users users\n";
}

Output for 8.5.0: Deprecated: Using null as an array offset is deprecated, use an empty string instead in /in/qjC0j on line 6 The Lounge: 2 users The Beach: 0 users
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.
Output for 7.3.0 - 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: The Lounge: 2 users The Beach: 0 users

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