Zend PHP 5.3 Certification Exam


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  • Question 12/55

    The bitwise left shift (<<) and bitwise right shift (>>) operands move the bits in the left operand left or right by the number of positions in the right operand. This is in effect a fast way to multiple or divide by powers of 2.

    What is the output of the following script?

    
    <?php
        $a 15 << 2;
        $b 10 >> 1;
        $c 0xF0 >> 4;
    
        echo sprintf('%d - %d - 0x%X'$a$b$c);
    ?>