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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
function Gen()
{
yield 'key' => 'value';
yield 'key2' => 'value2';
}
$gen = Gen();
echo "{$gen->key()} => {$gen->current()}";
echo PHP_EOL.PHP_EOL;
echo $gen->key().' => '.$gen->current();
echo PHP_EOL.PHP_EOL;
$gen->next();
echo $gen->key().' => '.$gen->current();
echo PHP_EOL.PHP_EOL;
?>