Online PHP editor | output for IWKb5

@ 2021-03-29T20:50:12Z

<?php

function generator(): iterable {
  $count = 0;
  while (true) {
    echo 'About to yield: ', $count, \PHP_EOL;
    yield $count++;
    echo 'Resumed', \PHP_EOL;
  }
}

echo "Construct:\n";
$i = new \LimitIterator(generator(), 0, 3);
echo "Rewind:\n";
$i->rewind();
echo "\n1st iteration\n";
echo "Current value: ", $i->current(), "\n"; 
var_dump($i->valid());
$i->next();

echo "\n2nd iteration\n";
echo "Current value: ", $i->current(), "\n"; 
var_dump($i->valid());
$i->next();

echo "\n3rd iteration\n";
echo "Current value: ", $i->current(), "\n"; 
var_dump($i->valid());
$i->next();

echo "\n4th iteration\n";
echo "Current value: ", $i->current(), "\n"; 
var_dump($i->valid());
$i->next();

echo "\n5th iteration\n";
echo "Current value: ", $i->current(), "\n"; 
var_dump($i->valid());
$i->next();

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: Construct: Rewind: About to yield: 0 1st iteration Current value: 0 bool(true) Resumed About to yield: 1 2nd iteration Current value: 1 bool(true) Resumed About to yield: 2 3rd iteration Current value: 2 bool(true) Resumed About to yield: 3 4th iteration Current value: bool(false) Resumed About to yield: 4 5th iteration Current value: bool(false) Resumed About to yield: 5
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 Construct: Rewind: About to yield: 0 1st iteration Current value: 0 bool(true) Resumed About to yield: 1 2nd iteration Current value: 1 bool(true) Resumed About to yield: 2 3rd iteration Current value: 2 bool(true) Resumed About to yield: 3 4th iteration Current value: bool(false) Resumed About to yield: 4 5th iteration Current value: bool(false) Resumed About to yield: 5

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