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run code in 300+ PHP versions simultaneously
<?php $a = "meow"; $b = $a . "\0woef"; $a = hash_hmac('sha512', $a, 'boegaboe'); $b = hash_hmac('sha512', $b, 'boegaboe'); var_dump( $a, $b, password_hash($a, PASSWORD_BCRYPT, ['salt' => 'boeschrikboeschrikboe!', 'cost' => 12]), password_hash($b, PASSWORD_BCRYPT, ['salt' => 'boeschrikboeschrikboe!', 'cost' => 12]) );

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