Zend PHP 5.3 Certification Exam


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  • Question 19/31

    What is the output of the following script?

    
    <?php
        $str 'abcd';
    
        echo substr($str01);
        echo substr($str0, -1);
        echo substr($str31);
        echo substr($str3);
        echo substr($str, -3);
    ?>
    
    
    Enter the exact script output