<?php
 
function tekaTekiTeko(int $batas): void {
    if ($batas < 20) {
        throw new InvalidArgumentException("Error: Parameter \$batas harus memiliki nilai paling sedikit 20.");
    }
 
    for ($i=1; $i<=20; $i ++){
        $output ='';
 
        if ($i % 2 === 0 ){
            $output .= 'Teka';
        }
 
        if ($i % 3 === 0){
            $output .= 'Teki';
        }
 
        if ($i % 5 === 0 ){
            $output .= 'Teko';
        }
 
        if ($output === '') {
            $output = $i;
        }
 
        echo $output . "\n";
    }
}
 
echo "tekaTekiTeko dengan batas 30 \n";
 
try {
    tekaTekiTeko(30);
} catch (InvalidArgumentException $e) {
    echo $e->getMessage() . "\n";
}
 
echo "============================ \n";
echo "tekaTekiTeko dengan batas 18 \n";
 
try {
    tekaTekiTeko(18);
} catch (InvalidArgumentException $e) {
    echo $e->getMessage() . "\n";
}

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