<?php
function tekaTekiTeko(int $batas) {
    if ($batas < 20) {
        throw new InvalidArgumentException("Parameter harus bernilai unsigned integer dan minimal 20.");
    }
    for ($i = 1; $i <= $batas; $i++) {
        $output = "";
        if ($i % 2 === 0) {
            $output .= "Teka";
        }
        if ($i % 3 === 0) {
            $output .= "Teki";
        }
        if ($i % 5 === 0) {
            $output .= "Teko";
        }
        echo ($output === "" ? $i : $output) . PHP_EOL;
    }
}
try {
    tekaTekiTeko(30);
} catch (Exception $e) {
    echo "Error: " . $e->getMessage() . PHP_EOL;
}
?>
 

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