array prev function - return the value of previous element of an array

array prev function - return the value of previous element of an array

array-prev-example-in-php.php


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  <h2>array prev function - return the value of previous element of an array</h2>
  <pre>
   <?php
    /*
     --------------------------------------------------------------
     lets make an array and fill-up it with some values
     --------------------------------------------------------------
    */
    $myArray = array("apple");
    array_push($myArray, "zoo");
    array_push($myArray, "cow");
    array_push($myArray, "book");
    echo "<h4>Output of myArray</h4>";
    print_r($myArray);
    /*
     -------------------------------------------------------------------------------------
     we want to get the previous element's value of the array that the internal array pointer
     pointed to by using array prev function
     -------------------------------------------------------------------------------------
    */
    $currentElement = current($myArray);
    $nextElement = next($myArray);
    $previousElement = prev($myArray);
    echo "<h4>Output of previousElement of the array using array prev function</h4>";
    print "<p>$"."currentElement = {$currentElement}</p>";
    print "<p>$"."nextElement = {$nextElement}</p>";
    print "<p>$"."previousElement = {$previousElement}</p>";
   ?>
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