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<?php $pw = "\x00\x30"; $hash = password_hash($pw, PASSWORD_DEFAULT); assert(password_verify(password: 'wrong', hash: $hash) === false, 'Incorect password should not verify'); assert(password_verify(password: '', hash: $hash) === false, 'Blank password should not verify'); assert(password_verify(password: $pw, hash: $hash) === true, 'Correct password should verify'); assert(password_verify(password: strrev($pw), hash: $hash) === false, 'Reversed correct password not should verify');

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