Online PHP editor | output for EC28S

@ 2018-09-11T10:37:32Z

<?php
session_start();

function startSes() {
    $_SESSION['registered'][0] = 0;
    $_SESSION['registered'][1] = 0;
}
if (!isset($_SESSION['registered']))
    startSes();

if ($_SESSION['registered'][0] == 0)
{
    echo "Came here!<br />";
    $_SESSION['registered'][0] = 1;
}

// later

if (!isset($_SESSION['registered']))
    startSes();

if ($_SESSION['registered'][0] == 0)
{
    echo "Came here!<br />";
    $_SESSION['registered'][0] = 1;
}

Output for 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: Came here!<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 Came here!<br />

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