Online PHP editor | output for kH0BS

@ 2024-09-09T04:04:33Z

<?php

$arr = [ 
    'history' => [
        'id' => 23452435,
        'legend' => [
            ['player' => 'me', 'turn' => 1, 'card' => ['name' => 'foo']],
            ['player' => 'me', 'turn' => 1, 'card' => ['name' => 'bar']],
            ['player' => 'opponent', 'turn' => 1, 'card' => ['name' => 'derp']],
            ['player' => 'opponent', 'turn' => 2, 'card' => ['name' => 'hoo']],
        ],
    ]
];

$historyByTurns = array();
foreach ($arr['history'] as $historyItem) {
    foreach ($historyItem['legend'] as $legendItem) {
        $turn = $legendItem['turn'];
        $player = $legendItem['player'];
        if (!array_key_exists($turn, $historyByTurns)) {
            $historyByTurns[$turn] = array();
        }
        if (!array_key_exists($player, $historyByTurns[$turn])) {
            $historyByTurns[$turn][$player] = array();
        }
        foreach ($legendItem as $card) {
            $historyByTurns[$turn][$player][] = $card['name'];
        }
    }
}
var_export($historyByTurns);

Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1: Warning: Trying to access array offset on int in /in/kH0BS on line 17 Warning: foreach() argument must be of type array|object, null given in /in/kH0BS on line 17 Warning: Undefined array key "legend" in /in/kH0BS on line 17 Warning: foreach() argument must be of type array|object, null given in /in/kH0BS on line 17 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.
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29: Warning: Trying to access array offset on value of type int in /in/kH0BS on line 17 Warning: foreach() argument must be of type array|object, null given in /in/kH0BS on line 17 Warning: Undefined array key "legend" in /in/kH0BS on line 17 Warning: foreach() argument must be of type array|object, null given in /in/kH0BS on line 17 array ( )

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