Online PHP editor | output for H0IhR

@ 2020-10-09T08:33:41Z

<?php

$tests = [
    [
        '1@02@43@170@1',
        '1@02@43@176@1',
        '1@02@43@182@1',
        '1@02@42@182@1',
        '1@02@42@176@1',
    ],
    [
        '1@02@43@170@1',
        '1@02@43@176@1',
        '1@02@43@182@1',
        '1@02@42@182@1',
        '1@02@42@176@1',
        '1@03@43@170@1',
        '1@03@43@176@1',
        '1@03@43@182@1',
        '1@03@42@182@1',
        '1@03@42@176@1',
    ],
    [
        '1@02@43@170@1',
        '1@02@43@170@1',
    ]
];

function killYourParentIfYouHaveOne($level) {
    if (count($level) === 1) {
         $key = key($level);
         $level = is_array($level[$key]) ? killYourParentIfYouHaveOne($level[$key]) : [];
    }
    return $level;
}

function differingTree(array $array): array {
    $result = [];
    foreach ($array as $item) {
        [$a, $b, $c, $d, $e] = explode('@', $item, 5);
        $result[$a][$b][$c][$d] = $e;
    }
    return killYourParentIfYouHaveOne($result);
}

foreach ($tests as $test) {
    echo var_export(differingTree($test), true) . "\n---\n";
}

Output for 7.2.0 - 7.2.34, 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, 8.4.16, 8.5.0 - 8.5.1: array ( 43 => array ( 170 => '1', 176 => '1', 182 => '1', ), 42 => array ( 182 => '1', 176 => '1', ), ) --- array ( '02' => array ( 43 => array ( 170 => '1', 176 => '1', 182 => '1', ), 42 => array ( 182 => '1', 176 => '1', ), ), '03' => array ( 43 => array ( 170 => '1', 176 => '1', 182 => '1', ), 42 => array ( 182 => '1', 176 => '1', ), ), ) --- array ( ) ---
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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