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PORemove rowspan on tables in PHP
 

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  1. PORemove rowspan on tables in PHP
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    <p>There is this table i want to load into a multi-dimensional array. The problem is that since the table has rowspan values each line may have different cell counts. So i have to remove rowspan and add null values instead of these cells.</p> <p>This is the table i have(Original file)(Have like 5k rows.)<img src="https://i.stack.imgur.com/d5foQ.jpg" alt="Original Table"></p> <p>I have to add this table like this in order to have a proper array.<img src="https://i.stack.imgur.com/Z2biz.jpg" alt="enter image description here"></p> <p>Removing colspan values for the first line was easy. But removing rowspans in current method sometimes cause extra values in array.</p> <p>My current PHP file for this:</p> <pre><code>&lt;?php ini_set('display_errors', true); ini_set('mbstring.internal_encoding','UTF-8'); ini_set("memory_limit", "1024M"); ini_set('max_execution_time', 300); include('simple_html_dom.php'); // Create a DOM object $html = new simple_html_dom(); $html-&gt;load_file('stok.html'); $table = array(); $kac = array(); foreach($html-&gt;find('tr') as $row) { $satir = array(); $j = 0; foreach($row-&gt;find('td') as $element) { if($kac[$j]['deger']&gt;0){ $satir[]=''; $kac[$j]['deger']=$kac[$j]['deger']-1; $j++; while($kac[$j]['deger']&gt;0){ $satir[]=''; $kac[$j]['deger']=$kac[$j]['deger']-1; $j++; } }else{ $j++; if(isset($element-&gt;rowspan)){ $kac[$j]['deger']=($element-&gt;rowspan)-1; } $satir[] = str_replace('&amp;nbsp;', '', strip_tags($element-&gt;innertext)); } if(isset($element-&gt;colspan)){ $sayi=($element-&gt;colspan)-1; for($i=1;$i&lt;=$sayi;$i++){ $satir[] = ''; } } } $table[] = $satir; } echo '&lt;pre&gt;'; print_r($table); echo '&lt;/pre&gt;'; ?&gt; </code></pre> <p>My Current Output Sample: (See some Array values has 21, 23 and 17 items in it. Correct one is 21 items. (20 as index value)) --Didn't remove the table values in example output--</p> <pre><code>Array ( [0] =&gt; Array ( ) [1] =&gt; Array ( [0] =&gt; Envanter (R/B/K) (Filitre Kodu : sa) (Envanter Tarihi :28/11/2012 ) (Depo : 100) [1] =&gt; [2] =&gt; [3] =&gt; [4] =&gt; [5] =&gt; [6] =&gt; [7] =&gt; [8] =&gt; [9] =&gt; [10] =&gt; [11] =&gt; [12] =&gt; [13] =&gt; [14] =&gt; [15] =&gt; [16] =&gt; [17] =&gt; [18] =&gt; [19] =&gt; [20] =&gt; ) [2] =&gt; Array ( [0] =&gt; Model [1] =&gt; Stok Adı [2] =&gt; R [3] =&gt; Renk Adı [4] =&gt; B [5] =&gt; B [6] =&gt; B [7] =&gt; B [8] =&gt; B [9] =&gt; B [10] =&gt; B [11] =&gt; B [12] =&gt; B [13] =&gt; B [14] =&gt; B [15] =&gt; B [16] =&gt; B [17] =&gt; B [18] =&gt; B [19] =&gt; Toplam [20] =&gt; Resim ) [3] =&gt; Array ( [0] =&gt; [1] =&gt; [2] =&gt; [3] =&gt; [4] =&gt; 34 [5] =&gt; 36 [6] =&gt; 38 [7] =&gt; 40 [8] =&gt; 42 [9] =&gt; 44 [10] =&gt; 46 [11] =&gt; 48 [12] =&gt; 50 [13] =&gt; 52 [14] =&gt; 54 [15] =&gt; 56 [16] =&gt; 58 [17] =&gt; 60 [18] =&gt; 62 [19] =&gt; Toplam [20] =&gt; ) [4] =&gt; Array ( [0] =&gt; 1K011621110 [1] =&gt; NIHAN 2111 KABAN [2] =&gt; 064 [3] =&gt; FES [4] =&gt; [5] =&gt; [6] =&gt; [7] =&gt; [8] =&gt; [9] =&gt; [10] =&gt; [11] =&gt; [12] =&gt; 1.00 [13] =&gt; [14] =&gt; [15] =&gt; [16] =&gt; [17] =&gt; [18] =&gt; [19] =&gt; 1.00 [20] =&gt; Resim ) [5] =&gt; Array ( [0] =&gt; [1] =&gt; [2] =&gt; Toplam : [3] =&gt; [4] =&gt; [5] =&gt; [6] =&gt; [7] =&gt; [8] =&gt; [9] =&gt; [10] =&gt; [11] =&gt; [12] =&gt; [13] =&gt; [14] =&gt; [15] =&gt; 1.00 [16] =&gt; [17] =&gt; [18] =&gt; [19] =&gt; [20] =&gt; [21] =&gt; [22] =&gt; 1.00 [23] =&gt; ) [6] =&gt; Array ( [0] =&gt; [1] =&gt; 34 [2] =&gt; 36 [3] =&gt; 38 [4] =&gt; 40 [5] =&gt; 42 [6] =&gt; 44 [7] =&gt; 46 [8] =&gt; 48 [9] =&gt; 50 [10] =&gt; 52 [11] =&gt; 54 [12] =&gt; 56 [13] =&gt; 58 [14] =&gt; 60 [15] =&gt; 62 [16] =&gt; Toplam [17] =&gt; ) [7] =&gt; Array ( [0] =&gt; 1K011624760 [1] =&gt; NIHAN 2476 KABAN [2] =&gt; 001 [3] =&gt; SIYAH [4] =&gt; [5] =&gt; [6] =&gt; [7] =&gt; [8] =&gt; [9] =&gt; 1.00 [10] =&gt; [11] =&gt; 1.00 [12] =&gt; [13] =&gt; [14] =&gt; [15] =&gt; [16] =&gt; [17] =&gt; [18] =&gt; [19] =&gt; 2.00 [20] =&gt; Resim ) </code></pre> <p>Thanks in advance.</p> <p><strong>UPDATE FOR SOLUTION WITH WORKING CODE:</strong> Currently fills all empty cells with "***"</p> <pre><code>&lt;?php ini_set('display_errors', true); ini_set('mbstring.internal_encoding','UTF-8'); ini_set("memory_limit", "1024M"); ini_set('max_execution_time', 300); include('simple_html_dom.php'); // Create a DOM object $html = new simple_html_dom(); $html-&gt;load_file('stok.html'); $satir = array(); $rowcount = 0; foreach($html-&gt;find('tr') as $row) { $colcount = 0; foreach($row-&gt;find('td') as $element) { while($satir[$rowcount][$colcount]!=''){ $colcount++; } $satir[$rowcount][$colcount] = strip_tags(str_replace('&amp;nbsp;', '***', $element-&gt;innertext)); if(isset($element-&gt;colspan)){ $sayi=($element-&gt;colspan)-1; for($i=1;$i&lt;=$sayi;$i++){ $satir[$rowcount][$colcount+$i] = '***'; } } if(isset($element-&gt;rowspan)){ $sayi=($element-&gt;rowspan)-1; for($i=1;$i&lt;=$sayi;$i++){ $satir[$rowcount+$i][$colcount] = '***'; } } $colcount++; } $rowcount++; } echo '&lt;pre&gt;'; print_r($satir); echo '&lt;/pre&gt;'; ?&gt; </code></pre>
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    1. COThat's pretty tricky. Removing the rowspans already requires you to do some complex calculations to fill up the remaining holes. I'd skip this step and use the same sort of calculations to populate the result array directly. I.e., initialize the result array with all dimensions completely, then go row by row through the table; when you encounter a row/colspan, you can pre-fill related dimensions of the array with the same value...
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      1. USdeceze
    2. COSince the values must be in prober order i can not populate array directly. As you said what i am trying to do is removing rowspan and adding null cell values in the correct position until the rowspan ends.
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      1. USMustafa
    3. COYes you can populate it directly, even in the right order. When you traverse through the table, you keep track of the `$x` and `$y` index you're at. When you encounter a rowspan of 2 for example, you set `$result[$x][$y]` and `$result[$x + 1][$y]` to the value of the current cell. When you reach `$x + 1,$y`, the array entry is already populated, which helps you keep track of rowspans while populating the array. That just off the top of my head, but it seems like a reasonable approach.
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