Online PHP editor | output for HhF63

@ 2022-09-13T12:57:55Z

<?php

$a1 = [
    ['v' => '13', 't' => '2015-09-08 18:50:00'],
    ['v' => '25', 't' => '2015-09-08 19:00:00'],
    ['v' => '34', 't' => '2015-09-08 19:05:00'],
    ['v' => '24', 't' => '2015-09-08 19:10:00']
];

$a2 = [
    ['v' => '10', 't' => '2015-09-08 18:50:00'],
    ['v' => '29', 't' => '2015-09-08 18:55:00'],
    ['v' => '17', 't' => '2015-09-08 19:00:00']
];

$result =[];
foreach ($a1 as $row) {
    $result[$row['t']] = [
        'v1' => $row['v'],
        'v2' => null,
        't' => $row['t']
    ];
}
foreach ($a2 as $row) {
    if (isset($result[$row['t']])) {
        $result[$row['t']]['v2'] = $row['v'];
    } else {
        $result[$row['t']] = [
            'v1' => null,
            'v2' => $row['v'],
            't' => $row['t']
        ];
    }
}
ksort($result);
var_export(array_values($result));

Output for 7.4.0 - 7.4.33, 8.0.1 - 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, 8.5.0: array ( 0 => array ( 'v1' => '13', 'v2' => '10', 't' => '2015-09-08 18:50:00', ), 1 => array ( 'v1' => NULL, 'v2' => '29', 't' => '2015-09-08 18:55:00', ), 2 => array ( 'v1' => '25', 'v2' => '17', 't' => '2015-09-08 19:00:00', ), 3 => array ( 'v1' => '34', 'v2' => NULL, 't' => '2015-09-08 19:05:00', ), 4 => array ( 'v1' => '24', 'v2' => NULL, 't' => '2015-09-08 19:10:00', ), )
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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