Online PHP editor | output for rF6IC

@ 2019-01-21T15:49:57Z

<?php
$array = array(
        '0' => array(
            'names' => array(0 => 'Apple'),
            'group' => 1
        ),
        '1' => array(
            'names' => array(0 => 'Mango'),
            'group' => 1
        ),
        '2' => array(
            'names' => array(0 => 'Grapes'),
            'group' => 1
        ),
        '3' => array(
            'names' => array(0 => 'Tomato'),
            'group' => 2
        ),
        '4' => array(
            'names' => array(0 => 'Potato', 1 => 'Monkeywrench'),
            'group' => 2
        )
    );

foreach ($array as $row) {
    if (!isset($result[$row['group']])) {
        $result[$row['group']] = $row;
    } else {
        array_push($result[$row['group']]['names'], ...$row['names']);
    }
}

var_export(array_values($result));

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: array ( 0 => array ( 'names' => array ( 0 => 'Apple', 1 => 'Mango', 2 => 'Grapes', ), 'group' => 1, ), 1 => array ( 'names' => array ( 0 => 'Tomato', 1 => 'Potato', 2 => 'Monkeywrench', ), 'group' => 2, ), )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'names' => array ( 0 => 'Apple', 1 => 'Mango', 2 => 'Grapes', ), 'group' => 1, ), 1 => array ( 'names' => array ( 0 => 'Tomato', 1 => 'Potato', 2 => 'Monkeywrench', ), 'group' => 2, ), )

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