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    <p>I think I understand your problem now. Your issue is that once you submit your form, this code runs: </p> <pre><code>foreach($engineer as $a =&gt; $b) { echo "| [[$engineer[$a]]] || ".getCellColor('mon')." | ..."; } </code></pre> <p>So, in other words, for each engineer you run the function getCellColor(); </p> <p>Now, the function getCellColor() also does a complete loop and evaluates all items posted, therefore, returning the result of your last form row. </p> <pre><code>function getCellColor($dow) { foreach($_POST[$dow . 'shifthours'] as $key=&gt; $hour) { ... } } </code></pre> <p>So, in other words, here is what is going on: </p> <ul> <li>foreach(engineer) loop starts </li> <li>foreach(engineer) gets engineer 1</li> <li>inside engineer 1, getCellColor starts</li> <li>getCellColor evaluates every single row and returns the value of the last row</li> <li>foreach(engineer) loops and gets engineer 2</li> <li>inside engineer 2, getCellColor starts</li> <li>getCellColor evaluates every single row and returns the value of the last row (again)</li> <li>... and so on</li> </ul> <p>Note: you say that the first line of output is correct, but actually it is NOT. Every line is outputting the result of the last line. </p> <p>As a suggestion, I would structure things something like Patrick Fisher mentioned in his answer. </p> <pre><code>&lt;select name="aa_1"&gt; &lt;select name="bb_1"&gt; &lt;input type="hidden" name="lines[]" value="1" /&gt; &lt;select name="aa_2"&gt; &lt;select name="bb_2"&gt; &lt;input type="hidden" name="lines[]" value="2" /&gt; &lt;select name="aa_3"&gt; &lt;select name="bb_3"&gt; &lt;input type="hidden" name="lines[]" value="3" /&gt; </code></pre> <p>That way, once you submit the form, you can get each form elements individually horizontally (i.e. line by line) and not vertically.</p> <pre><code>foreach($_POST["lines"] as $key =&gt; $value) { ${"aa_".$value} = $_POST["aa_".$value]; ${"bb_".$value} = $_POST["bb_".$value]; } </code></pre>
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    1. POPHP: Array $_POST loop issues
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    1. COThank you for breaking down the logic. I ended up coming up with my own solution after you made me realize what I was doing in my code, I figured I could just add the index as an argument to my `getCellColor` function, and it worked! :)
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    2. COExcellent! Congrats!
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