Online PHP editor | output for 0ZdSb

@ 2014-12-24T10:28:52Z

<?php

$abc = array(   'rec_1' => array('fn'=>'Aron','ln'=>'Michaelson'),
                'rec_2' => array('fn'=>'Abbey','ln'=>'Drake'),
                'rec_3' => array('fn'=>'Alice','ln'=>'Peterson'));
           
/*function build_sorter($key) {
    return function ($a, $b) use ($key) {
        return strnatcmp($a[$key], $b[$key]);
    };
}
*/

function SortByLname($a,$b) {
    return strcmp( $a['ln'], $b['ln'] );
}


usort($abc, "SortByLname");


foreach ($abc as $item) {
    echo strtoupper($item['ln']) . ', ' . $item['fn'] . "\n";
}

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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: DRAKE, Abbey MICHAELSON, Aron PETERSON, Alice
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 DRAKE, Abbey MICHAELSON, Aron PETERSON, Alice

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