Zend PHP 5.3 Certification Exam


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  • Question 29/36

    The PHP function array_reduce() is used to turn an array into a single value using a custom callback. What is the output of the following script?

    
    <?php
        function reducer($total$elt)
        {
            return $elt $total;
        }
    
        $arr = array(12345);
    
        echo array_reduce($arr'reducer'1);
    ?>