Online PHP editor | output for CIdA6

@ 2020-02-13T08:09:24Z

<?php

$results = [
    ['name' => 'Benjoe', 'number' => '001'],
    ['name' => 'Benjoe', 'number' => '002'],
    ['name' => 'Benjoe', 'number' => '001'],
];

function compare($log1, $log2, $index1, $index2)
{
    return $log1['name'] == $log2['name']
        && $log1['number'] == $log2['number']
        && $index1 != $index2;
}


foreach($results as $index1 => $log1) {
     foreach ($results as $index2 => $log2) {
         if (compare($log1, $log2, $index1, $index2)) {
             echo "Item {$index1} has a duplicate at index {$index2}!<br/>\n";
         }
     }
}

Output for 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: Item 0 has a duplicate at index 2!<br/> Item 2 has a duplicate at index 0!<br/>
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 Item 0 has a duplicate at index 2!<br/> Item 2 has a duplicate at index 0!<br/>

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