<?php
 
function punyaHuruf($patokan, $inputKata){
	$patokan = strtolower($patokan);
	$inputKata = strtolower($inputKata);
 
	for($i = 0; $i < strlen($patokan); $i++){
		$huruf = $patokan[$i];
		if (strpos($inputKata, $huruf) === false) {
            return false;
        }
	}
	return true;
}
 
echo "punyaHuruf('cat', 'antarctica') -> " . (punyaHuruf('cat', 'antarctica') ? 'TRUE' : 'FALSE') . "\n";
echo "punyaHuruf('cat', 'australia') -> " . (punyaHuruf('cat', 'australia') ? 'TRUE' : 'FALSE') . "\n";

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