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Asked: 2026-05-26T07:09:21+00:00

I am having the worst time trying to get this to work. In the

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I am having the worst time trying to get this to work. In the following code, I am gathering data from a database query and trying to build a muti-dimensional array object that will keep totals and tally up some information in a specific way. The problem is that instead of getting a value that is incrementing as it should, the value seems to be suffering from the last value it was assigned problem. Here is the code:

        $REVIEWS      = array();
        $USER_REVIEWS = array();
        $USER_IMGREVS = array();


        pseudo-code: loop here which iterates over the DB results creating
        $date - which is into this function as its called for each day of month
        $p1user - which is one of the users (there are 3) 'levels' of users
        $hr - is the hour which is built from the transaction's timestamp

        $hr     = date('H', $row['P1TIMESTAMP']);
        $p1user = $row['P1USER'];

        $REVIEWS[$date] += 1;
        $USER_REVIEWS[$date][$p1user][$hr] += 1;
        $USER_IMGREVS[$date][$p1user][$hr] += $row['F5'];

        print "PASS1<br/>\n";
        print "Value of Total Reviews: [".$REVIEWS[$date]."]<br/>\n";
        print "Value of User Reviews: [".$USER_REVIEWS[$date][$p1user][$hr]."]<br/>\n";
        print "Value of Reviewed Images: [".$USER_IMGREVS[$date][$p1user][$hr]."]<br/>\n";
        print "<br/><br/>\n";

So – the ‘total reviews’ increments by one, as it should, for each time i print this. SO far so good. The next two arrays will only print the last values they were assigned, and will not be added together like they should. Why not? I have attempted to do this another way by literally creating the arrays one by one and assigning them in whole to the array containing them – but that also does not seem to work. Any insights?

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1 Answer

  1. Editorial Team

    i don’t know how you initilize your array, maybe this will help:

    // replace this 2 lines:
$USER_REVIEWS[$date][$p1user][$hr] += 1;
$USER_IMGREVS[$date][$p1user][$hr] += $row['F5'];

// with this code:
if (!isset($USER_REVIEWS[$date]))
    $USER_REVIEWS[$date] = array();
if (!isset($USER_REVIEWS[$date][$p1user]))
    $USER_REVIEWS[$date][$p1user] = array();
if (!isset($USER_REVIEWS[$date][$p1user][$hr]))
    $USER_REVIEWS[$date][$p1user][$hr] = 0;
$USER_REVIEWS[$date][$p1user][$hr] += 1;

if (!isset($USER_IMGREVS[$date]))
    $USER_IMGREVS[$date] = array();
if (!isset($USER_IMGREVS[$date][$p1user]))
    $USER_IMGREVS[$date][$p1user] = array();
if (!isset($USER_IMGREVS[$date][$p1user][$hr]))
    $USER_IMGREVS[$date][$p1user][$hr] = 0;
$USER_IMGREVS[$date][$p1user][$hr] += $row['F5'];
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