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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
for ($end = 1; $end < 5; ++$end) {
$numbers = range(1, $end);
array_splice($numbers, -2, 2, implode(' and ', array_slice($numbers, -2)));
echo implode(', ', $numbers) . "\n";
}