Online PHP editor | output for OS7hH

@ 2021-04-24T23:59:56Z

<?php

$array = [
    ["firstname" => "John", "lastname" => "",      "email" => "",                 "uri" => ""],
    ["firstname" => "",     "lastname" => "Smith", "email" => "",                 "uri" => ""],
    ["firstname" => "",     "lastname" => "",      "email" => "john@example.org", "uri" => ""]
];

var_export(
    array_reduce(
        $array,
        function($carry, $row) {
            $carry = array_merge($carry, array_filter($row, 'strlen'));
            return $carry;
        },
        array_shift($array)
    )
);

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13: array ( 'firstname' => 'John', 'lastname' => 'Smith', 'email' => 'john@example.org', 'uri' => '', )
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 ( 'firstname' => 'John', 'lastname' => 'Smith', 'email' => 'john@example.org', 'uri' => '', )

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