Zend PHP 5.3 Certification Exam


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  • Question 9/55

    Consider the use of bitwise operators on hexadecimal values. What is the output of the following PHP script?

    
    <?php
        $a 0xF0;
        $b 0x0F;
    
        $val1 $a $b// bitwise AND
        $val2 $a $b// bitwise OR
        $val3 $a ^ ($b $a); // bitwise XOR
    
        echo sprintf('0x%02X - 0x%02X - 0x%02X'$val1$val2$val3);
    ?>