Online PHP editor | output for MkoYD

@ 2017-07-07T14:02:54Z

<?php

function count_to_ten() {
    yield 1;
    yield 2;
    yield from [3, 4];

     
    yield from new ArrayIterator([5, 6]);
    yield from seven_eight();
    return yield from nine_ten();
}

function seven_eight() {
    yield 7;
    yield from eight();
}

function eight() {
    yield 8;
}

function nine_ten() {
    yield 9;
    return 10;
}

$gen = count_to_ten();
foreach ($gen as $k => $num) {
    echo "\n-$k -> $num \n";
    //echo $gen->send('t');
}
var_dump( $gen->getReturn());

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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: -0 -> 1 -1 -> 2 -0 -> 3 -1 -> 4 -0 -> 5 -1 -> 6 -0 -> 7 -0 -> 8 -0 -> 9 int(10)
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 -0 -> 1 -1 -> 2 -0 -> 3 -1 -> 4 -0 -> 5 -1 -> 6 -0 -> 7 -0 -> 8 -0 -> 9 int(10)

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