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    <p>If I got it right, what you need is this:</p> <hr> <p><strong>EDIT:</strong> Just made some tests and got it right this time:</p> <pre><code>$Display_Arr = array(); foreach ($_POST['product'] AS $_1){ if (!array_key_exists($_1['Vendor_ID'], $Display_Arr)){ $Display_Arr[$_1['Vendor_ID']] = array( "Vendor_ID" =&gt; $_1['Vendor_ID'], "Quantity" =&gt; $_1['Quantity'] ); }else{ if(!empty($_1['Quantity'])) $Display_Arr[$_1['Vendor_ID']]["Quantity"] .= ",{$_1['Quantity']}"; } } echo "&lt;pre&gt;"; print_r($Display_Arr); echo "&lt;/pre&gt;"; </code></pre> <p>The main problem was in <code>if (!in_array($_1['vendor_id'], $Display_Arr))</code>. PHP's <code>in_array()</code> checks for given <code>needle</code> in the array <em>values</em>, and we were trying to match to the <code>Vendor_ID</code> value stored in the outer array <em>keys</em>. That was fixed using <code>array_key_exists()</code>.</p> <p><strong>EDIT 2:</strong> I used this for test data:</p> <pre><code>$_POST['product'] = array( 0 =&gt; array( 'Vendor_ID' =&gt; 1, 'Quantity' =&gt; 55 ), 1 =&gt; array( 'Vendor_ID' =&gt; 1, 'Quantity' =&gt; 55 ), 2 =&gt; array( 'Vendor_ID' =&gt; 1, 'Quantity' =&gt; 55 ) , 3 =&gt; array( 'Vendor_ID' =&gt; 3, 'Quantity' =&gt; '' ), 4 =&gt; array( 'Vendor_ID' =&gt; 3, 'Quantity' =&gt; '' ), 5 =&gt; array( 'Vendor_ID' =&gt; 3, 'Quantity' =&gt; '' ), 6 =&gt; array( 'Vendor_ID' =&gt; 4, 'Quantity' =&gt; '' ), 7 =&gt; array( 'Vendor_ID' =&gt; 4, 'Quantity' =&gt; '' ), 8 =&gt; array( 'Vendor_ID' =&gt; 4, 'Quantity' =&gt; '' ) ); </code></pre> <hr> <p>You won't be needing <code>$Tick</code> anymore, as you could use <code>Vendor_ID</code> as keys for the outer array.</p>
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    1. COIt's only inputting the final digit, not the entire 3 numbers
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    2. CO@SophieMackeral Please show me the output. I just updated the code with a minor fix, so give it another try.
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    3. COSee my update for more information
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